Brent, C., Walter, A. F., and Williams, G. Ex-Meridian Altitude Tables. 9th edn. Roy. 8vo. Pp. 91. 1920. Geo. Philip.

78. 6d.

Brown, J. R. (edited by). Brown's Nautical Almanac; Harbour and Dock Guide and Daily Tide Tables for 1921. 8vo. Pp. 681. Dec. 1920. J. Brown. 3s. 6d. Delbos, L. Nautical Terms in Eng

lish and French and French and English. New edn. Cr. 8vo. Pp. 461. 1914. Williams and Norgate. 5s.

Jefferson's Nautical Almanac and Tide Tables, Harbour and Lighthouse Guide. Published annually in September. Cr. 8vo. Jas. Munro. 2s. 6d.

Norie, J. W. A Complete Set of Nautical Tables, with Explanations of their Use. Cr. 4to. Pp. 738. 1920. Imray, Laurie. 218. Pearson's Nautical Almanac and Tide Tables for 1921. 8vo. Pp. 440. Nov., 1920. Imray, Laurie. 3s. 6d.

v. SEAMANSHIP. Ginsburg, B. W. The Legal Duties of Shipmasters. 3rd edn. Cr. 8vo. Pp. 283. 1911. Griffin. 58. MacNab, J. Catechism of the Laws of Storms, for the Use of Sea Officers. 6th edn. Cr. 8vo. Pp. 73. 1913. Geo. Philip. 4s. 6d.

Nicholls, Capt. Seamanship. 10th edn. Demy 8vo. Pp. 472. 1919.

James Brown. 8s. 6d.

Wilson-Barker, Sir D. A Manual of Elementary Seamanship. 8th edn. Cr. 8vo. Pp. 287. 1919. Griffin. 78. 6d.

-Things A Sailor Needs to Know. Med. Svo. Pp.351. 1919. Griffin. 21s.

vi. MARINE SIGNALLING. Bernard, D. H. Signalling Made Easy. New edn. Cr. 8vo. Pp. 85. 1918. James Brown. 2s. 6d. Brown's Signalling. 22nd edn. Cr. 8vo. Pp. 134. 1920. James Brown. 4s. 6d.

Rugg, W. G. Signal Manual: for the Use of the Mercantile Marine. 2nd edn. Demy 8vo. Jas. Munro. 1s.

vii. CHARTS, TIDES,
OCEANOGRAPHY.

Abbott, T. K. Elementary Theory of the Tides: the Fundamental Theorems Demonstrated without Mathematics and the Influence of the Length of the Day Discussed. 2nd edn. Cr. 8vo. Pp. 40. 1901. Longmans. 28.

Carpenter, A., and Wilson-Barker, Sir D. Nature Notes for Ocean Voyagers: Observations of Fishes, Birds, and Beasts; with Popular Chapters on Weather, Waves, and Legendary Lore. Med. 8vo. Pp. 197. 1915. Griffin. 68.

Fowler, G. H. (edited by). Science of the Sea. An Elementary Handbook of Practical Oceanography for Travellers, Sailors and Yachtsmen. Large Cr. 8vo. Pp. 452. 1912. Murray. 10s. 6d.

Jenkins, J. T. A Textbook of Oceanography. Demy 8vo. Pp. 216. 1921. Constable. 15s.

Maxwell, F. W. Book on Chartwork and Plans. 4th edn. Demy 8vo. Pp. 67. 1918. James Brown. 2s. 6d.

Messum, S. Hydrographic Surveying. For the use of Beginners and Port and Harbour Masters. Cr. 8vo. Pp. 519. 1910. Griffin. 158.1

Murray, Sir J. The Ocean. Fcap. 8vo. Pp. 256. 1919. Williams and Norgate. 2s. 6d.

-and Hjort, J. The Depths

of the Ocean. A General Account of the Modern Science of Oceanography. Sup Roy. 8vo. Pp. 842. 1912. Macmillan. 28s.

Robinson, J. L. Elements of Marine Surveying, with Numerous Exercises. 3rd edn. Cr. 8vo. Pp. 274. 1904. Macmillan. 78. ed.

Struben, A. M. A. Tidal Power: Tides and their Measurement; the Estimation of Potential Tidal Power; Comparisons between Systems of Development; the Financial aspect of the Problem, etc. Fcap. 8vo. Pp. 127. 1921. Pitman. 2s. 6d.

Whall, W. B. Handy Book of the Tides. 10th edn. Demy 4to. Pp. 37. Geo. Philip. 58.

Wharton, Sir W. J. L. Hydrographical Surveying. A descrip

tion of the means and methods employed in constructing Marine Charts. 3rd edn. revised and brought up to date by Sir M. Field. Demy 8vo. Pp. 582. 1920. Murray.

30s.

i. GENERAL.

Bidgood, J. A Course of Practical

Elementary Biology. Cr. 8vo. Pp. 362. 1914. Longmans. 5s. 6d. Campbell, H. J. Text Book of Elementary Biology. 3rd edn. Cr. 8vo. Pp. 306. 1905. Allen and Unwin. 6s. Gibson, H. A Primer of Biology. Fcap. 8vo. Pp. 120. 1908. Dent.

28.

Henderson, J. F., and W. D. A Dictionary of Scientific Terms: Derivation, Pronunciation, and Definition of Terms in Biology, Botany, Zoology, Anatomy, Cytology, Embryology, Physiology. Demy 8vo. Pp. 362. 1920. Oliver and Boyd. 18s. Huxley, T. H. Discourses, Biological and Geological. New imp. Gl. 8vo. Pp. 388. 1908. Macmillan. 68.

-and Martin, H. N. A Course of Practical Instruction in Elementary Biology. 3rd edn. Revised and extended by G. B. Howes and D. H. Scott. Cr. 8vo. Pp. 528. 1907. Macmillan. 12s. 6d.

Kirkaldy, J. W., and Drummond, I. M. An Introduction to the Study of Biology. Unicellular Organisms; Simple Multicellular Organisms: Higher Plants and Animals. Cr. 8vo. Pp. 266. 1909. Oxford: Clarendon Press. 6s. 6d. Lloyd, F. E., and Bigelow, M.A. The Teaching of Biology in the Secondary School. New edn. Cr. 8vo. Pp. 500. 1919. Longmans.

8s.

Lloyd, R. E. An Introduction to Biology: for Students in India. 8vo. Pp. 316. 1910. Longmans.

98.

MacFadyen, A. The Cell as the Unit of Life: An Introduction to Biology. Edited by R. T, Hewlett. 8vo. Pp. 400. 1908. Churchill. 7s. 6d.

Miall, L. C. History of Biology. Cr. 8vo. Pp. 150. 1911. Watts. 3s. 6d.

Mitchell, P. C., and Mudge, G. P. Outlines of Biology. 4th edn. Cr. 8vo. Pp. 364. 1911. Methuen. 78. 6d.

Parker, T. J. Lessons in Elementary Biology. 2nd edn. Cr. 8vo. Pp. 528. 1920. Macmillan. 12s. 6d. Thesing, C. Lectures on Biology.

Translated by W. R. Boelter. Med. 8vo. Pp. 342. 1911. Bale and Danielsson. 10s. 6d. Thomson, J. A. The Science of Life. An Outline of the History of Biology and its Recent Advances. Cr. 8vo. Pp. 246. N.D. Blackie.

3s.

-The Biology of the Seasons. 4th edn. Med. 8vo. Pp. 393. 1915. Melrose. 158.

Thornton, J. Elementary Biology; Descriptive and Experimental. Revised edn. Cr. 8vo. Pp. 288. 1907. Longmans. 4s. 6d.

ii. NATURE STUDY.

Claxton, W. J. Methodical Nature Study. Demy 8vo. Pp. 190. 1911. Blackie. 78. 6d. Furneaux, W. S. The Outdoor World; or the Young Collector's Handbook. Cr. 8vo. Pp. 439. 1912. Longmans. 68. 6d.

-A Nature Study Guide. Cr. 8vo. Pp.808. 1918. Longmans. 6s. 6d. -Life in Ponds and Streams. Cr. 8vo. Pp. 426. 1919. Longmans. 68. 6d.

Depéret, C. Transformations of the Animal World. Cr. 8vo. Pp. 376. 1909. Kegan Paul. 7s. 6d. Gamble, F. W. The Animal World.

Feap. 8vo. Pp. 265. 1911. Williams and Norgate. 2s. 6d. Harmer, Sir S. F., and Shipley, Sir A. E. (edited by). The Cambridge Natural History. By Various Writers. 10 Vols. Med. 8vo. Vol. 1. Pp. 694. 1909. Vol. 2. Pp. 572. 1910. Vol. 3. Pp. 550. 1913. Vol. 4. Pp. 566. 1920. Vol. 5. Pp. 596. 1910. Vol. 6. Pp. 638. 1918. Vol. 7. Pp. 788. 1910. Vol. 8. Pp. 668. 1920. Vol. 9. Pp. 652. 1909. Vol. 10. New imp. in the Press. Macmillan. 21s. each Vol.

Huxley, J. S. The Individual in the Animal Kingdom. Roy. 16mo. Pp. 167. 1912. Cambridge University Press. 2s. 6d.

Lankester, Sir E. R. Science from

an Easy Chair. First Series. 8th edn. Cr. 8vo. Pp. 439. Methuen. 78. 6d.

Science from an Easy Chair. Second Series. 2nd edn. Cr. 8vo. Pp. 426. Methuen. 7s. 6d.

-Diversions of a Naturalist. 2nd edn. Cr. 8vo. Pp. 440. Methuen. 78. 6d.

Lankester, Sir E. R. Secrets of Earth and Sea. Cr. 8vo. Pp. 262. 1920. Methuen. 8s. 6d. Latter, O. H. The Natural History of Some Common Animals. Cr. 8vo. Pp. 349. 1913. Cambridge University Press. 68.

Lloyd, R. E. The Growth of Groups in the Animal Kingdom. 8vo. Pp. 194. 1912. Longmans. 68. Lydekker, R. The Royal Natural History. 6 Vols. New imp. in preparation. Warne.

--Wild Life of the World. A Descriptive Survey of the Geographical Distribution of Animals. 3 Vols. Small Demy 4to. Pp. 486., 452., 460. Warne. 84s.

-Animal Portraiture. Imp. 4to. Pp. 105 and 50 Plates. Warne.

Borradaile, L. A. Manual of Elementary Zoology. 3rd edn. Cr. 8vo. Pp. 630. 1920. Frowde and Hodder. 188.

Catechism Series. Zoology. By R. A. Staig. 2nd edn. 3 Parts. Cr. 8vo. 18. 9d. each, also in one volume. Pp. 291. 1921. Livingstone. 5s. 6d.

1919.

Dakin, W. J. The Elements of Animal Biology. Cr. 8vo. Pp. 320. 1918. Macmillan. 6s. Gardiner, J. S., and Borradaile, L. A. The Cambridge Notebook for Practical Biology (Zoology). 6th edn. 8vo. Pp. 84. Frowde and Hodder. 5s. Howes, G. B. An Atlas of Practical Elementary Zootomy. Preface by T. H. Huxley. Med. 4to. Pp. 36 and 24 Plates. 1902. Macmillan. 12s. 6d.

Imms, A. D. A Laboratory Sketch

Book of Zoology, for Indian Students. 4to. Pp. 228. 1911. Longmans. 10s. 6d.

Kerr, G. A Primer of Zoology: Fcap. 8vo. Pp. 99. Dent. 28. Lankester, Sir E. R. (edited by). A Treatise on Zoology. Demy 8vo. Part 1. Introduction and Protozoa (First Fascicle). Pp. 296. 1909. Part 1. Introduction and Protozoa (Second Fascicle). Pp. 451. 1903. Part 2. The Porifera and Cœlentera. Pp. 368. 1900. Part 3. The Echinoderma. Pp. 344. 1900. Part 4. The Platyhelmia, The Mesozoa, and the Nemertini. Pp. 204. 1901. Part 5. Mollusca. Pp. 355. 1906. Part 7. Crustacea (Third Fascicle). Pp. 346. 1909. Part 9. Vertebrata Craniata (First Fascicle). Pp. 518. 1909. Paper covers, 15s. each. Cloth covers, 20s. each. Black.

Lulham, R. An Introduction to Zoology. (Invertebrates). Cr. 8vo. Pp. 474. 1913. Macmillan. 8s. 6d.

MacLeod, J. The Quantitative Method in Biology. 8vo. Pp. 240. 1919. Longmans. 16s.

Marshall, A, M., and Hurst, C. H. A Junior Course of Practical Zoology. 9th edn. Revised by F. W. Gamble. Cr. 8vo. Pp. 543. 1920. Murray. 12s.

Masterman, A. T. Elementary Text-Book of Zoology. 2nd edn. Cr. 8vo. Pp. 652. Livingstone. 68.

Morgan, C. L. Animal Biology: an Elementary Text-Book. 4th edn. Cr. 8vo. Pp. 426. 1911. Longmans. 9s. 6d.

O'Donoghue, C. H.

An Introduction to Zoology for Medical Students. Demy 8vo. Pp. 511. 1920. Bell.

168.

Parker, T. J., and W. N. Elementary Course of Practical Zoology. 5th edn. Cr. 8vo. Pp. 650. 1920. Macmillan. 15s.

-and Haswell, W. A. A TextBook of Zoology. 2 Vols. 2nd edn. Med. 8vo. Pp. 880., 748. 1910. Macmillan. 36s.

-and Haswell, W. A. A Manual of Zoology. Cr. 8vo. Pp. 566. 1918. Macmillan. 10s. 6d.

Russell, E. S. Form and Function. A Contribution to the History of Animal Morphology. Demy 8vo. Pp. 383. 1916. Murray. 15s. Sedgwick, A. Student's Text Book of Zoology. 3 Vols. Demy 8vo. Vol. 1. Protozoa to Chactognatha. Pp. 619. 1898. Vol. 2. Chordata to Mammalia. Pp. 705. 1905. Vol. 3. The Introduction to Arthropoda, the Crustacea, and Xiphosura, by J. J. Lister; the Insecta and Arachnida, by Sir A. E. Shipley. Pp. 918. 1909. Allen & Unwin. 15s. each.

(edited by). Proceedings of the Fourth International Congress of Zoology. (Cambridge, 1898). Demy 8vo. 1898. Cambridge University Press. 15s.

Shipley, Sir A. E., and MacBride, E. W. Zoology. An Elementary Text-Book. 4th edn. Demy 8vo. Pp.772. 1920. Cambridge University Press. 20s.