10 Moll. 
VIII. Mollusca. 
[1920] 
Clapp, G. H. V it rea ( Paravilrea ) 
multidentata and lamellidens. Nautilus 
Boston Mass. 33 1920 (115-118) pi. iii. 
119 
Clapp, G. H. Herbert Huntington 
Smith. Nautilus Boston Mass. 33 1920 
(136-141). 120 
Clapp, G. H. Vertigo ovata and V. 
hebardi in Florida. Nautilus Boston 
Mass. 33 1920 (141). 121 
Clapp, G. H. A new species of 
Pyramidula from Alabama and notes 
on P. cumberlandiana with new 
varieties. Nautilus Boston Mass. 34 
1920 (23-26). 122 
Clapp, G. H. Zoniioides nummus in 
Indiana. Nautilus Boston Mass. 34 
1920 (70). 123 
Clark, B. L. The San Lorenzo series 
of Middle California. A stratigraphic 
and palaeontologic study of the San 
Lorenzo Oligocene series of the general 
region of Mount Diablo, California. 
Berkeley Univ. Cal. Pub. Bull. Dept. 
Geol. 11 1918 (45-234) pis. v-xxiv. 124 
Coen, G. Monodonta ( Trochocochlea) 
crassa Pulteney (= lineata, Da Costa) 
n. var jacuriana. Atti Soc. Ital Sci. 
Nat. 58 1920 (304-305). 125 
Coen, G. Nota sulle Morio mediter- 
raneo. Atti Soc. Ital. Sci. Nat. 59 
1920 (129-135). 126 
Cognetti de Martiis, L. Osservazioni 
sul nucleo delle cellule bosali della 
“ Helix pomatia.” Torino Atti Acc. 
sc. 55 1920 (202-210 [353-360]). 127 
Collier, E. Reminiscences and prac- 
tical hints on collecting. J. Conch. 
Leeds 16 1920 (77-85). 128 
Collot, L. Geologie de la Cote-d’Or. 
Dijon M6m. Acad. sci. arts. 12 1910-13 
1914 (307-358). 129 
Colosi, G. Limacidi ed Arionidi con- 
servati nel R. Museo Zoologico di 
Fironzo. Monitoro zool. ital. Firenze 
31 1920(61-73). 130 
Cooke, A. H. “ Ground ” Clausilias. 
J. Conch. Leeds 16 1920 (102). 131 
Cooke, A. H. Mitra bumupiana n. 
sp., from South Africa. London Proc. 
Malac. Soc. 14 1920 (114-115). 132 
Cooke, A. H. The radula of the 
Mitridae. London Proc. Zool. Soo. 
1919 1920 (405-422). 133 
Cooper, J. E. Additions to the List 
of recent Middlesex mollusca. London 
Proc. Malac. Soc. 14 1920 (5). 134 
Cort, W. W. On the resistance to 
desication of the intermediate host of 
Schistosoma Japonicum, Katsurada. 
J. Parasitol 6 1919 1920 (84-88). 135 
Couffon, O. Le callovien du Chalet 
Commune de Montreuil-Bellay (M.-et- 
L.) (Suite). Angers Bui. soc. 6tud. 
sci. 49 1919 1920 (163-245). 136 
Coulon, L. Catalogue de la collection 
des mollusques actuels et fossiles du 
Musee d’historie naturelle d’Elbeuf. 
Classes des Amphineures, Gasteropodes 
et Scaphapodes. Elbeuf Bui. soc. 
6tud. sci. nat. 35 1916 1917 (99-116); 
36 1917 1918 (99-116); 37 1918-1919 
(147-156). 137 
Crampton, H. E. Studies on the 
variation, distribution and evolution of 
the genus Partula. The species in- 
habiting Tahiti. Carnegie Inst. Pub. 
Washington D.C. No. 228 1917 (1-313). 
138 
Crozier, W. J. Sex-correlated colora- 
tion in Chiton tuberculatus. Nautilus 
Boston Mass. 34 1920 (30). 139 
Crozier, W. J. Sex-correlated colora- 
tion in Chiton tuberculatus. Amer. 
Nat. Garrison N.Y. 54 1920 (84-88). 
140 
Crozier, W. J. The intensity of 
assortive pairing in Chromodoris. Amer. 
Nat. Garrison N.Y. 54 1920 (182-184). 
141 
Crozier, W. J. Note on the photio 
sensitivity of the Chitons. Amer. Nat. 
Garrison N.Y. 54 1920 (376-380). 142 
Crozier, W. J. The growth of the 
shell in the Lamellibtanch Dosinia 
discus (Reeve). Zool. Jalirb. Jena 38 
1914 (577-584) pi. 35. 143 
Crozier, W. J. Notes on sonic prob- 
lems of adaptation. I. On the re- 
formation of the mantle -glands of 
Chromodoris. Biol. Bull. Wood’s Hole 
Mass. 39 1920 (108-115). 144 
Cunnington, W. A. The Fauna of the 
African Lakes : a study in comparative 
limnology, with reference to Tanganyika 
Proc. Zool. Soc. London 1920 1926 
(507-622). 145 
Currie, E. vide Gregory, J. W. 
