8 Gen. Sub. 
I. GENERAL SUBJECTS. 
101. Church, A. H. Researches on Turacin, an Animal Pigment con- 
taining Copper. 2. Phil. Trans. 183a, pp. 511- 530 ; Nature, xlviii, 
pp. 209-211. 
102. Clarke, C. B. On Biologic Regions and Tabulation Areas. Phil. 
Trans. 183b, 1893, pp. 371-387, 2 maps. 
103. # Claus, C. Eingeweidewiirmer des Meuschen. Bibl. Ges. Med. 
Wiss. No. 2. Wien and Leipzig : 32 pp., 52 figg. 
104. Cockerell, T. D. A. On Hybrids or Mongrels with two male 
parents. Ann. Nat. Hist, xii, pp. 333 & 334. 
Cole, M. J. [See Cross & Cole (111).] 
Constantin, P. [See Duval & Constantin (140).] 
105. Contejean, C. Contribution ii l’Etude de la physiologie de 
l’estomac. J. Anat. Physiol, xxix, pp. 94-136 & 370-423, 2 pis. 
Batrachians, Mammals. 
106. Cope, E. D. Heredity in the Social Colonies of the Hymenoptera. 
P. Ac. Philad. 1893, pp. 436-438. 
107. . On the Phylogeny of the Vertebrata. P. Amer. Phil. Soc 
xxx (Dec. 1892), pp. 278-282, 2 figg. 
108. . On some Points in the Kinetogenesis of the Limbs of Verte- 
brata. T. c. pp. 282-285. 
109. Cornevin & Lesbre. Etude sur un hybride issu d’une mule 
feconde et d’un cheval. Rev. Scient. li, pp. 144-147. 
110. °Coupin, H. L* Aquarium d’eau douce. Paris : 16mo, 348 pp., 
228 figg. 
Cramer, C. [See Nageli, C. v. (367).] 
111. ^Cross, M. J., & Cole, M. J. Modern Microscopy. Handbook for 
Beginners. London : 8vo, 116 pp. 
112. Cuenot, L. Etudes physiologiques sur les Gasteropodes Pulmonis. 
Arch. Biol, xii, pp. 683-740, 1 pi. 
113. . Etudes physiologiques sur les Crustac^s decapodes. Op. cit. 
xiii (1893, published 1894), pp. 245-303, 3 pis.; and also Arch. Zool. 
exp. i (3rd ser.), Part 2, pp. xxi-xxiv. 
114. . Sur la physiologie de TEcrevisse. C.R. Ac. Sci. cxvi, pp. 1257— 
1260. 
115. " . Moyens de defense dans la serie animale. Paris: 16mo, 184 pp. 
116. Cunningham, J. T. Researches on the coloration of the skins of 
Flat Fishes. J. Mar. Biol. Ass. iii, 1, pp. 111-118. 
117. . The Problem of Variation. Nat. Sci. iii, p. 282. 
118. Cunningham, J. T., & MacMunn, C. A. On the Coloration of 
the Skins of Fishes, especially of Pleuronecticlce (Abstract). P. R. 
Soc. London, liii, pp. 384-388. 
