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1862.—Jager, G. Ueber die Sprache der Thiere. < Der Zool. Garten, iii, 1862, pp. 245-248, 266-268. 
1863.—Brehm, —. Illustrirtes Thierleben. Hildburghausen, 1863. 
Dana, J.D. On cephalization, and on megasthenes and microsthenes, in classification. No. i. 
< Am. Journ. Sci. and Arts (2), xxxvi, 1863, art.i, pp. 1-10, art. xxix, pp. 321-354. (Appendix, 
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{Prof. Dana’s views of cephalization were first applied to the classification of the mammals in a foot-note 
of his excellent ‘‘ Manual of Geology”, and in a special memoir on the classification of the mammals, printed 
subsequently but published previously to the manual.) 
Dana, J. D. On the higher subdivisions in the classification of mammals. < Am. Journ. Sci. 
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Dana, J. D. On the parallel relations of the classes of vertebrates and on the bearing of these 
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Dana, J. D. The classification of animals, based on the principle of cephalization. No. i. 
< Am. Journ. Sci. 2d series, xxxvi, pp. 321-352, 440, 441. 
Dana, J.D. Manual of geology: treating of the science with special reference to American 
geological history. Philadelphia, published by Theodore Bliss & Co., 1863. 
[Foot-note, pp. 421-424, on cepbalization as a principle of classificavion.] 
Hardy, C. C. Nocturnal life of animals in the forest. < Trans. Nova Scotian Inst. Nat. Sci. 
i, part i, 1863, art. 11, pp. 11-19. 
| Jeffries, J.B. [Ophthalmoscopic examination of two albinos.] < Proc. Boston Soc. Nat. Hist. 
ix, 1863, pp. 329-331. 
: Koch, —. [On hairballs, concretions, &c., in various animals.] < Mitth. d. ntrw. Vereines 
fiir Steiermark, i, 1863, p. 24. 
Pfliiger, E. F. W. Ueber die Eierstécke der Siiugethiere und des Menschen. Ausgegeben den 
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Schopff, —. [Ueber eine Anzahl Geburten verschiedener Siiugethiere etc.] Zool. Gart. 1863, 
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Sundevall, C. J. Die Thiere des Aristoteles von den Klassen der Siiugethiere, Vogel, Repti- 
lien und Insecten. Uebersetzt aus dem Schwedischen. 12°. 242 pp. Stockholm, 1863. 
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Wilder, B.G. On morphology and teleology, especially in the limbs of mammalia. < Mem. 
Boston Soc. Nat. Hist. i, 1863, pp. 46-80. 
Zahn, —. [Notiz iiber den Ban und die Mechanik des Ellenbogengelenks einiger Siiugethiere 
ete.] < Wiirzburger ntrw. Zeitschrift, iv, 1863, p. 12. 
1864.—Dana, J. D. The classification of animals, based on the principle of cephalization. No. iil. 
| Classification of herbivores. [No. ii relates wholly to insects.] < Am. Journ. Sci. and Arts, 
; 2d series, xxxvii, March, 1864, art. xiii, pp. 157-183. 
Gegenbaur, C. [On the episternalia of mammalia.] < Jenaische Zeitschr. i, 1864, p. 75. 
Huxley, T. H. Reports of Professor Huxley’s lectures on “ The structure and classification of 
the Mammalia”, delivered at the Royal College of Surgeons. < Med. Times and Gaz. 1864, 
i and ii, viz:— 
Lecture i-ix. Anthropini. [i, 153: Distinctive characters and skeleton. ii, 177: Muscles. 
iii, 20: Extremities. iv, 229; v, 256: Brain. vi, 284: Teeth and organs of reproduction. vii, 
312: Development. viii, 343; ix, 369: Variations and number of species. ] 
Lecture x-xix. Authropomorpha. [ (Troglodytes niger.) x, 398; xi, 428; xii, 456: Skele- 
ton and muscles. xiii, 486: Larynx, Teeth, Brain. xiv, 509: Organs of reproduction, develop- 
ment, variations. Troglodytes gorilla, xiv, 509; xv, 537; xvi, 564. (Simia satyrus.) xvi, 
564; xvii, 595; xviii, 617. (Hylobates.) xviii, 617 ; xix, 647. (Characteristics of Anthro- 
pomorpha.) xix, 647. ] 
Lecture xx-xxi. Cynopithecina. Vol. i, p. 671; vol. ii, pp. 12, 40, 93, 123. 
Lecture xxii-xxiii. Platyrhini. pp. 93, 123. 
Lecture xxiii. Aretopithecini. p. 124. 
Leeture xxiv. Lemurine Cheiromyini. Recapitalation. p. 145. 
