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« APPENDIX. 
Huxley and Martin, ‘‘ Practical Biology.” 
A. Milnes Marshall and C. H. Hurst, ‘‘ Practical Zoology.” 
W. K. Brooks, ‘‘ Handbook of Invertebrate Zoology for 
Laboratories and Seaside Work ” (Boston, 1882). 
Monographs on Sea-urchins, Lob-worm, Limpet, Ascidian, etc., 
published by Liverpool Biological Committee (Williams 
& Norgate, London). 
A. Bolles Lee, “‘ Microtomist’s Vade-Mecum ” (4th ed., 1896). 
M. F. Guyer, ‘‘ Animal Micrology” (Chicago, 1909). 
G. B. Howes, ‘‘ Atlas of Practical Elementary Biology” (Lond. 
1885). 
GENERAL MORPHOLOGY :— 
Ernst Haeckel, ‘‘ Generelle Morphologie ” (Berlin, 1866), re- 
printed in condensed form, 1906. 
Herbert Spencer, ‘‘ Principles of Biology” (London, 1864-66). 
.W. His, ‘‘ Unsere K6rperform ” (1875). 
G. Jaeger, ‘‘ Allgemeine Zoologie ” (1878). 
P. Geddes, article ‘‘ Morphology ” (‘* Encycl. Brit.”), 
CLASSIFICATION, see :— 
E. Ray Lankester, article ‘‘ Zoology ” (‘‘Encycl. Brit.’). 
W. A. Herdman, ‘‘ Phylogenetic Classification of Animals.” 
H. Gadow, ‘‘ Classification of Vertebrata ” (1898). 
Articles in last edition of ‘‘ Encyclopzedia Britannica.” 
Works ON COMPARATIVE ANATOMY :— 
Richard Owen, ‘‘ Comparative Anatomy of Vertebrate Animals * 
(4th ed., 1871). 
. H. Huxley, of. ct. 
. Gegenbaur, ‘‘ Elements of Comparative Anatomy” (trans. by 
F, Jeffrey Bell, Lond. 1878. New edition in German, 1898). 
Lang, ‘‘ Text-Book of Comparative Anatomy” (trans. by 
H. M. and M. Bernard). New German edition, 1900 e¢ seg. 
R. Wiedersheim, ‘‘ Comparative Anatomy of Vertebrata” (trans. 
by W. N. Parker, Lond. 1886 ; new ed., 1907). 
Oppel, ‘‘ Vergleichende mikroskopische Anatomie” (1896-1905). 
Reynolds, ‘‘ The Vertebrate Skeleton ” (1897). 
Schimkewitsch, ‘‘ Vergleichende Anatomie der Wirbeltiere ” 
(1909). 
Biitschli, ‘* Vorlesungen itber vergleichende Anatomie ” (3 vols.). 
> On 
Works ON COMPARATIVE PHYSIOLOGY :— 
Claude Bernard, ‘‘ Phénoménes de la Vie Commune aux 
Animaux et aux Végétaux ” (1878). 
Paul Bert, ‘‘ Lécons sur la Physiologie comparée de la Respira- 
tion ” (1870), 
