14 Gen. Sub. 
I. GENERAL SUBJECTS. 
174. Davenport, C. B. The animal ecology of the Cold Spring sand 
spit, with remarks on the theory of adaptation. Univ. Chicago 
Publ. x, pp. 1-22. 
Abstract by Meisenheimer, Zool. Zentrlbl. x, pp. 917-919. 
175. . The Collembola of Cold Spring beach, with special reference 
to the movements of the Poduridce. Cold Spring Harbor Monographs 
ii, 32 pp., i pi. 
176. Davis, J. R. Ainsworth. The Natural history of animals. The 
animal life of the world in its various aspects and relations. London, 
1903, 8vo, 5 half-vols., illustrated. (Incomplete.) 
Review by R. L., Nature lxix, p. 11. 
177. Dean, Bashford. The development of a Chimseroid. Biol. Bull, iv, 
pp. 270-286. 
178. Del age, Yves. L’hdredite et les grands problkmes de la biologie 
g^nerale. Deuxifeme edition. Paris, 1903, xix-f 912 pp. 
179. . Sur les mouvements de torsion de l’ceil. Arch. Zool. exp. 
1903, pp. 261-306, pis. vii-xi. 
180. . La parthdnogenkse par l’acido carbonique, obtenue chez les 
ceufs aprks remission des globules polaires. C.R. Ac. Sci. cxxxvii, 
pp. 473-475. 
181. & others. L’ann^e biologique. Comptes Rendus armuels 
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8vo, xcii -f 642 pp. 
182. Delehaye, H. Les relations de la Physico-Chimie avec la Biologie. 
Bull. Soc. Rouen xxxviii, pp. 257-269. 
183. Dendy, A. The nature of heredity. Rep. S. Afric. Ass. i, pp. 317- 
340. 
184. *Dennert, E. Yom Sterbelager des Darwinismus. Stuttgart, 1903, 
83 pp. 
Summary, Allg. Zeitschr. Ent. viii, p. 507. 
185. Devez, G. Recherches d’Anatomie cpmparee sur le coeur des 
Vert£br6s en particulier des Monotremes et des Marsupiaux. Bull. 
Soc. Philom. (9) v, pp. 105-274, pis. i-iv. 
186. *De Vries, Hugo. Befruchtung und Bastardirung. Vortrag. Leipzig, 
1903, 62 pp. 
A translation from the Dutch. Cf. Anat. Anz. xxiii, p. 447. Also Zool. 
Zentrlbl. xi, p. 161. 
187. Dewar, D. Animals of no importance. Calcutta and London, 1903, 
8vo, 113 pp. 
Reprint of 20 smart newspaper articles. Noticed, Nature lxix, p. 172. 
188. Dewitz, J. Was veranlasst die Spermatozoen in das Ei zu dringen ? 
Arch. Physiol. [Engelmann] 1903, pp. 65-81. 
189. Dickel, F. Die Ursachen der geschlechtlichen Diflerenzirung im 
Bienenstaat. Ein Beitrag zur Vererbungsfrage. Arch. ges. Physiol, 
xcv, pp. 66-106. 
Abstract by Dalla Torre, Zool. Zentrlbl. x, pp. 740, 741. 
190. Diem, K. Untersuchungen iiber die Bodenfauna in den Alpen. 
Jahrb. St. Gall. Ges. 1901-1902, pp. 234-414. 
191. Distant, W. L. Animal sense perceptions. Zoologist 1902, pp. 161- 
178. 
