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EDITOR'S TABLE.

The late meeting of the American Association for the Advancement of Science while less numerously attended than some others, was a larger gathering than has sometimes represented it. The meetings of the Association cannot be as large relatively to our population as those of most of the European nations, because of the longer distances which the members are compelled to transverse in order to reach them. Many of the most active workers must always be absent in the field during the summer months, especially so long as our country presents such opportunities for original research. The summer schools take away some members. The meeting at Buffalo was held in such a way as to discourage the attendance of those who regard it as merely an opportunity for junketting. The meetings extended from Monday to Friday inclusive, and Saturday only was reserved for excursions. This arrangement was greatly to the advantage of work, the maintainance of interest, and of the attendance. The members present were more than usually conspicuous as workers, and the pumber and value of the papers read was fully up to the best standard.

The Association decided to meet in Detroit at the unusually early date of August 9th, next year. This date was fixed on account of the approaching meeting of the British Association at Toronto on August 18th following. A cordial invitation from the citizens of Toronto to take part in the reception of the British Association was accepted, and this will follow the meeting at Detroit.' A respectable minority of the Association thought that we should suspend our meeting for that year, or meet formally for organization only, and then adjourn to take part in the reception of the British Association. This view carried the Nominating Committee, but was not approved by the Association. That the Association did wisely there can be no doubt, and the circumstance shows that all the wisdom in that body is not concentrated in its representatives in the Nominating Committee. The reasons put forth by the Committee for its action were plausible, but were believed to be fallacious by a large majority of the Association. One of these reasons was the assumption that the American Association meeting would necessarily be neglected by its members if the British Association meet in Toronto. The Association thought otherwise, especially as it was remembered that the second largest meeting ever held was in

Not however by special adjournment as stated in Nature of Sept. 17, p. 480.

Philadelphia in 1884 when the British Association met in Montreal. As the American Association knows its own mind, we may look for one of our largest meetings in Detroit in 1897.

In our issue for October, 1895, we referred to the organization of the Field Museum of Chicago as having failed to furnish a successful basis of operations for the prosecution of original research. At that time most of the men who could give reputation to it had left, owing to the unsatisfactory positions in which they found themselves placed. Subsequently the establishment of publications of a very meritorious character induced us to believe that proper steps had been taken by the management to place the scientific men on such a basis as to insure the future prosperity of the enterprise. Authentic information recently received shows that this anticipation was premature. Other resigpations have occurred, and the institution is evidently destined to be a failure unless a reorganization is effected.

Men who have spent their lives in mercantile pursuits are generally unacquainted with the conditions necessary to original research in science. The modus operandi in the two pursuits is fundamentally different. An element of tentative experiment enters into the pursuit of science, which requires a degree of freedom on the part of the investigator which cannot be accorded to the regular enıployee, the results of whose work are always susceptible of full anticipation. The investigator must have full control of material of research and of the ways of getting it. In fact no one else is likely to know how to get it. He alone knows the profitable lines of work; hence he must be permitted to select his work. No one will secure a museum sooner than he, and it will be as much more valuable than can be created by any one else, as the work of an expert is necessarily more important than that of other persons. For these and many other reasons no museum can become great unless its administration is in control of scientific experts, who should be responsible to each other and to the trustees only. With an organization of this kind, composed of the class of men from whom it has already selected some of its aids, there is no reason why the Field Museum, under the liberal terms of its endowment, should not rival the greatest museums of the world.

- We must again remind contributors to the NATURALIST that proofs of all kinds and blocks of engravings must be sent to the publishers and not to the managing editor. Failure to observe this rule often causes inconvenient delays. Manuscripts, on the other hand, should go to the appropriate editors, and not to the publishers.

RECENT BOOKS AND PAMPHLETS.

ALLEN, J. A.–Note on Macrogeomys cherriei (Allen). Extr. Bull. Amer. Mus. Nat. Hist., Vol. VIII, 1896.

-Alleged Changes of Color in the Feathers of Birds without Moulting. Extr. Bull. Amer. Mus. Nat. Hist., Vol. VIII, 1896. From the author.

Bangs, 0.—The Florida Deer. Extr. Proceeds. Biol. Soc. Washington, Feb., 1896.

-Notes on the Synonomy of the North American Mink, with Description of a new Subspecies. Extr. Proceeds. Boston Soc. Nat. Hist., Vol. 27, 1896. From the anthor.

Baur, G.-Cope on the Temporal Part of the Skull, and on the Systematic Position of the Mosasauridae-a reply. Extr. Amer. Nat. 1895, p. 998.

-The Paroccipital of the Squamata and the Affinities of the Mosasauridae once more—a rejoinder to Prof. Cope. Extr. Amer. Nat., 1896, p. 143.

-Nachtrag zu meiner Nutteilung über die Morphologie des Unterkiefers der Reptilien. Aus Anat. Anz., XI Bd., 1896.

- Das Gebiss von Sphenodon (Hatteria) und einige Bemerkungen über Prof. Rud. Burckhardt's Arbeit über das Gebiss der Sauropsiden, I. c., XI, Bd., 1895. From the author.

BROWNE, M.- Artistic and Scientific Taxidermy and Modeling. London, 1896, Adam and Charles Black, Pub. From Macmillan and Co.

BUTLER, G. W.-On the Complete or Partial Suppression of the Right Lung in the Amphisbaenidae, and of the Left Lung in Snakes and Snake-like Lizards and Amphibians. Extr. Proceeds. Zool. Soc. London, Nov. 19, 1895. From the author.

CALVERT, P. P.-Notes on the Odonata from East Africa, collected by the Chanler Expedition. Extr. Proceeds. U. S. Natl. Mus , Vol. XVIII, 1895. From the Museum.

CAMPBELL, D. H.—The Structure and Development of the Mosses and Ferns. London and New York, 1895 From Macmillan and Co., Pub.

CHITTENDEX, F. H.—Two New Species of Beetles of the Tenebrionid genus Echocerus. Extr. U. S. Natl. Mus., Vol. XVIII, 1895. From the Mus.

CLARK, W. B.-Certain Climatic Features of Maryland. Extr. Meteorol. Journ., Jan., 1894.

-Origin and Classification of the Green sands of New Jersey. Extr. Journ. Geol.. Vol. II, 1894.

-Cretaceous Deposits of the Northern Flalf of the Atlantic Coastal Plain.

-Memorial of George Huntington Williams. Extrs. Bull. Geol. Mag., Vol, 6, 1894.

- The Polomac River Section of the Middle Atlantic Coast Eocene. Extr. Amer. Journ. Sci., May, 1896. From the author.

CONN, H. W.-Bacteria in the Dairy. Extr. Storr's Agric. Exper. Station Sept., 1895. From the author.

Cook, O. F.—East African Diplopoda of the Suborder Polydesmoidea, collected by W. A. Chanler.

-An Arrangement of the Geophilidae, a Family of Chilopoda.
-On Geophilus attenuatus Say, of the Class Chilopoda.
-Priodesmus, a New Genus of Diplopoda from Surinam.

-Two New Diplopod Miriapoda of the Genus Oxydesmus from the Congo, Extrs. Proceeds. U. S. Natl. Mus., Vol. XVIII, 1895. From the Museum.

COPE, E. D.-A Batrachian Armadillo. Extr. Amer. Nat., 1895, p. 998.

Dawson, WM.-On Collections of Tertiary Plants from the Vicinity of the City of Vancouver. Extr. Trans. Roy. Soc. Canada (2), 1895–96, Vol. I. From the author.

DEPERET, M. C.-Observations à propos de la note sur la nomenclature des terrains sedimentaires par M. M. Munier-Chalmas et de Lapparent. Extr. C. R. Soc. Geol. de France, Feb, 1895.

-Sur l'existence de Dinosauriens, Sauropodes et Théropodes dans le Crétacé supérieur de Madagascar. Extr. Comptes Rendus, 1896.

- Résultates des fouilles paléontologiques dans le miocène supérieur de la colline de Montredon.

-Sur les phosphorites quaternaires de la région d'Uzès. Extrs. Comptes Rendus, 1895. From the author.

DURAND, J. P.-Les origines animales de l'homme, éclairees par la physiologie et l'anatomie comparative. Paris, 1871. From the author.

Fish, P. A.—The Use of Formalin in Neurology. Extr. Proceeds. Microscop. Soc., Vol. XVII, 1896.

-The Action of Strong Currents of Electricity upon Nerre Cells. L. c. From the author.

Giarn, A.-La direction des recherches biologiques en France et la conversion de M. Yoes Delage. Extr. Bull. Scientif. de la France t. XXVII, 1896, From the author.

Holm, T._Fourth List of Additions to the Flora of Washington, D. C. Extr. Proceeds. Biol. Soc. Washington, Feb., 1896.

Howard, L. 0.—The Grass and Grain Joint-worm Flies and their Allies. Techn. Series No. 2, U. S. Dept. Agric. Div. Entomol., Washington, 1896. From the Dept.

Howard, L. (). AND C. L. MARLATT.-A Full Account of the San Jose Scale, its Life History, its Occurrence in the United States and the Remedies to be used against it. Bull. No. 3 (n. s.) U. S. Dept. Agric. Div. Entomol. Washing. ton, 1896. From the Dept.

JACKSON, R. Studies of Paleëchinoidea. Extr. Bull. Geol. Soc. Amer., Vol. 7, 1896.

JACKSON, R. AND T. A. JAGGAR, JR.-Studies of Melonites multiporus. Ex Bull, Geol. Soc. Amer., Vol. 7, 1896.

KENDALL.–Description of a New Species of Pipe-fish (Siphostoma scorelli) from Corpus Christi, Texas. Extr. Proceeds. U. S. Natl. Mus, Vol. XVIII, 1895.

LODEMAN, E. G.-The Spraying of Plants. New York and London, 1896. From Macmillan and Co., Pub.

Marcou, J.-Life, Letters and Works of Louis Agassiz. Vols. I & II. New York, 1896. From McMillian and Co., Pub.

MARSH, 0. C.-Address before the National Academy of Sciences, April 19, 1893. From the Sec. of the Society.

Memoirs of the National Academy of Sciences, Vol. VII. Washington, 1895.

MERRILL, G. P.-Notes on Asbestos and Abestiform Minerals. Extr. Proceeds. U. S. Natl. Mus., Vol. XVIII, 1895. From the Museum.

Report of the Commissioner of Education for the year 1892–93. Vol. I. Washington, 1895.

Report of the National Academy of Sciences for 1895. Washington, 1896.

Ridgway, R.–Preliminary Description of Some New Birds from the Galapagos Archipelago. Extr. Proceeds. U. S. Natl. Mus., Vol. XVIII, 1895.

Russian GEOLOGICAL SURVEY.—Materialien zur Geologie Russlands, Bd. XVII. St. Petersburg, 1895. From the Soc. Imp. Mineralogique.

-Bibliothèque Geologique de la Russie 1894. St. Petersburg, 1895. Supplement to T. XIV, Bull. Comite Geol.

-Bulletins du Comite Geologique. St. Petersburg, XIII. Nos. 8, 9; XIV, Nos. 1-5, 1895. The Geol. Sury, of Russia.

-Memoirs de Comite Geologique. Vol. IX, No. 4, 1895; Vol. X, Nos. 3 and 4, 1895; Vol. XIV, Nos. 1 and 3, 1895. From the Geol. Surv. of Russia. SMITH, E. F.-The Watermelon Wilt and other Diseases due to Fusarium.

-The Southern Tomato Blight. Extrs. Amer. Asso. Adv. Sci., Vol. XLIV, 1895. From the author.

General Notes.

MINERALOGY AND CRYSTALLOGRAPHY Development of Faces on Crystals.-Gaubert makes a contribution to the subject of the growth of crystal faces by means of his experiments with the alums. An octahedron of chrome alum, on solution in its mother liquor, is rounded at its edges and angles. When the solution becomes again saturated, and the crystal begins to grow, faces of the forms (100), (110), (211) and (221) are developed, but disappear on continued growth, leaving finally only the octahedron (111). Experiments with crystals of chrome and potassium alum prove that the same faces are developed when the rounding is done mechanically instead of by solution. Potassium alum from pure water gives the form of octahedron and cube, but by rounding (211) and (221) may be caused to grow.

· Edited by Prof. A. C. Gill, Cornell University, Ithaca, N. Y. 2 Bull. Soc. Fr. Min., XVIII, pp. 141-143, 1895.

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