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I adopted the three remaining regions, the Oriental, the Holarctic, and the Medicolumbian ; the last name being derived from Blanford, and used as a substitute for Sonoran, which have been previously used for a subdivision. This work is a magazine of information on the subject of which it

treats, and a unique feature is the large amount of reference to the facts of paleontology. This increases the value of the book to the general reader, but cannot be said to be

gernane to its main object. The Plagiaulax minor from the English introduction of the extinct forms of Wealden; much enlarged.

life necessarily changes the aspect of the faunal lists of a country to a marked degree, nowhere more so than in the Arctogæan Realm. Each geological period had in fact its own geographical distribution of forms, and when all are discovered a series of books on geographical distribution in each period might be written, each different from every other one.

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Manis tricuspis West Africa. The well-known familiarity of the author of this book with both Mammalian zoology and paleontology, gives it a value which no similar book possesses; and its compact form and fulness of illustration

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External skeleton of Panochthus tuberculatus from Argentina; much reduced.

make it especially convenient for the traveller who reads as he goes. The author writes clear and direct English, and correct classical orthography. His systematic of the Mammalia given on p. 11 is uncritical, though it includes most of the groups brought to light by paleontology. More detailed classification in later chapters elucidates the subject further.

The accompanying three illustrations give a good idea of their their general character.-E. D. COPE.

AMERICAN NATURALIST LIST OF RECENT BOOKS

AND PAMPHLETS.

Baur, G.–The Stegocephali Aus d. Anat. Anz., XI Bd., 1896. From the author.

Bessey, C. E.—The Essentials of Botany. New York, 1896. From Henry Holt and Co., Pub.

Biographical Sketch of Dr. Robert W. Shufeldt. Extr. from Physicians and Surgeons of America.

CHESTER, A. H.--A Dictionary of the Names of Minerals including their History and Nomenclature. New York, 1896. From John Wiley and Sons, Pub.

JORGENSEN, A.-Ueber den Ursprung der Alkoholhefen. Kopenhagen, 1895. From the author.

DABNEY, C. W.-Vivisection in the District of Columbia. Washington, 1896. From the Dept. Agric. Dali, W. H.- Diagnoses of New Tertiary Fossils from the Southern States.

- Diagnoses of New Mollusks from the Survey of the Mexican Boundary. Extrs. Proceeds. U. S. Natl. Mus., Vol. XVIII, 1895. From the Museum.

- Defence of Vivisection. Resolution Adopted by the American Medical Association, May 6, 1896.

DEPERET, M.-Sur l'Age de la Terrasse quaternaire de Villefranche. Extr. du C. R. des séances Soc. Geol, de France, Paris 1895. From the author.

DEXTER, F.-A Contribution to the Morphology of the Medulla oblongata of the Rabbit. Reprint Achiv, für Anat. u. Physiol. Anat. Abth. Boston, 1896. From the author.

DUMERIL, A. ET F. BoCourt.-Etudes Sur les Reptiles et les Batraciens, Troisième Partie. Recherches Zoologiques, Miss. Scientif. au Mexique, etc. Mexico, 1895. From M. Bocurt.

EARLE, C.-Notes on the Fossil Mammalia of Europe. Extr. Amer. Nat. Phila., 1896. From the author.

FAIRCHILD, H. L.-Glacial Genesee Lakes. Extr. Bull. Geol. Soc. Amer., Vol. 7, 1896.

-Proceeds. of the Eighth Annual Meeting, held at Philadelphia, Dec., 1895. Extr. Bull. Geol. Soc. Amer., April, 1896. From the Society.

Fowler, C. N.-Speech on the Free Coinage of Silver at the Ratio of 16 to 1. Washington, 1896. From the author.

GARMAN, S.—The Cyprinodonts. Extr. Mus. Comp. Zool. Harvard College, Cambridge, 1895. From the author.

GATSCHET, A.S—The Whippoorwill as named in American Languages. Extr. Amer. Antiquarian and Oriental Journ., Jan., 1896. From the author.

GULLIVER, P. F.-Cuspate Forelands. Extr. Bull. Geol. Soc. Amer , Vol. 7, 1896. From the Society.

GEROULD, J. H.—The Anatomy and Histology of Caudina arenata Gould. Extr. Proceeds. Boston Society Nat. Hist., 1896. From the Society.

HASSALL, A.-Check List of the Animal Parasites of Chickens. Cir. No 9, U. S. Dept. Agric. Bur. Animal Industry. Washington, 1896. From the Dept.

HOBBS, W.H.—Die krystallisirten Mineralien aus dem “Galena Limestone” des südlichen Wisconsin und des nördlichen Illinois. Aus Zeitschrift für Krystallographie, etc., XXV. Leipzig, 1895.

A Summary of Progress in Mineralogy in 1895. From Monthly Notes in the AMERICAN NATURALIST. Madison, 1896. From the author.

Lawson, A. C.—On Malignite, a Family of Basic Plutonic Orthoclase Rocks, rich in Alkalies and Lime, intrusive in the Coutchiching Schists of Pooh bah Lake. Extr. Bull. Dept. Geol. Univ. Calif. Berkeley, 1896. From the author.

LEFFINGWELL, A.-Does Science need Secrecy? A Reply to Prof. Porter and Others. Reprint from the Boston Transcript. Providence, R. I., 1896. From the author.

LEIDY, J.-Fossil Vertebrates from the Alachua Clays of Florida. Edited by F. A. Lucas. Extr. Trans. Wagner Free Inst. Science, Phila., Vol. IV, 1896. From the Editor.

LINELL, M. L.–Description of a New Species of Golden Beetle from Costa Rica. Extr. Proceeds. U. S. Natl. Mus., Vol. XVIII, 1896.

LUCAS, F. A.–The Taxonomic Value of the Tongue in Birds. Extr. from The Auk, Vol. XIII, 1896.

MEEK, S. E.-A List of Fishes and Mollusks collected in Arkansas and Indian Territory in 1894. Extr. Bull. U. S. Fish Commission for 1895. Washington, 1896. From the U. S. Fish Commission.

MERRIAM, J. C.-Sigmogomphius lecontei, a New Castoroid Rodent from the Pliocene, near Berkeley, Cal. Extr. Bull. Dept. Geol. Univ. Calif. Berkeley, 1896. From the author.

MERRIAM, C. H.-Revision of the Lemmings of the Genus Synaptomys, with descriptions of New Species.

-Preliminary Synopsis of the American Bears. Extrs. Proceeds. Biol. Soc. Washington, 1896. From the author.

MOCQUARD, M. F.- Note sur quelques Reptiles du Cap Blanc. Extr. Bull. Mus. d'hist. nat. Paris, 1895.

--Sur les Reptiles recueillis à Madagascar de 1867 à 1885 par M. Grandidier. Extr. Bull Soc. Philom. Paris, 1895.

-Sur une Collection de Reptiles recueillis à Madagascar) ar M. M. Alluand et Belly, l. c. Paris, 1895. From the author.

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