9 Moll. 
Titles. 
2200 
Cooke, A. H. Patella vulgata, 
Linnaeus, and its so-called variety, 
Patella depressa, Pennant. London 
Proc. Malac. Soc. 12 1917 (135-137). 
100 
Cooke, A. H. The radula of the genus 
Oominella H. and A. Adams. London 
Proc. Malac. Soc. 12 1917 (227-231). 
101 
Cooke, A. H. A colony of Nucella 
(olim Purpura ) lapillus (Linn.) with 
operculum malformed or absent. Lon- 
don Proc. Malac. Soc. 12 1917 (231- 
232). 102 
Cooke, A. H. The radula of the genus 
Euthria , Gray. London Proc. Malac. 
Soc. 12 1917 (232-235). 103 
Cooke, A. H. The generic position 
of the genus Northia Gray. London 
Proc. Malac. Soc. 12 1917 (235-237). 
104 
Copeland, G. G. The temperature and 
densities and allied subjects of Passa- 
maquoddy Bay and its environs. 
Their bearing on the oyster industry. 
Contrib. Canad. Biol. Ottawa (1906- 
1910) 1912 1912 (281-294) pi. xxxvi. 
105 
Cossmann, M. Le barremien su- 
p6riour h facies urgonien do Brouzet- 
lo3-Alais (Gard). Part. II. Complement 
de P6tude pal6ontologique des gise- 
mcnts do Brouzot. Mollusques (Gas- 
tropodes ot Polocypodos). Paris Mem. 
Soc. Geol. Franco Pal6ontoI. 21 1916 
No. 51 (10-43) pis. xv-xix. 106 
Cossmann, M. and Peyrofc, A. Con- 
chologie neogenique de 1’ Aquitaine. 
Scaphopodes et Gastropodes. (cont.) 
Bordeaux Actes Soc. linn. 69 1916 
(1917) (285-365). 107 
Cox, P. A supposed disease of 
Quahangs from New Brunswick. Con- 
trib. Canad. Biol. Ottawa (1914-1915) 
1916 1916 (73-79). 108 
Orabb, E. D. Note on Texas land 
snails. Amer. Mus. J. New York N.Y. 
17 1917 (577-578). 109 
Craif ale ann, A. D. Studies on the 
ferments of sea animals. Mollusca. 
Proteolytic ferments in the liver of 
Sepia officinalis. Napoli Publ. Staz. 
Zoo!. Milano 1 1916 (155-208). 110 
Crick, G. C. Note on the type-speci- 
men of Criocera'tiles bowerbankii, J. 
do C. Sowerby. London Proc. Malac. 
Soc. 12 1917 (138-139) pi. vii. Ill 
Crozier, VV. J. The nature of the 
conical bodies on the mantle of certain 
Nudibranchs. Nautilus Boston Mass. 
301917(103-106). 112 
Crozier, W. J. Some structural varia- 
tions in Chromodoris zebra. Nautilus 
Boston Mass. 30 1917 (140-142) pi. vi. 
113 
Crozier, W. J. A method of pre- 
serving large Nudibranchs. Nautilus 
Boston Mass. 30 1917 (142-144). 114 
Crozier, W. J. On the periodic 
shoreward migration of tropical Nudi- 
branchs. Amer. Nat. New York N.Y. 
51 1917 (377- 382). 115 
Crozier, W. J. Fusion of “ rhino - 
phores ” in Chromodoris. Amer. Nat. 
New York N.Y. 51 1917 (756-758). 
116 
Crozier, W. J. Evidence of assortive 
mating in a Nudibranch. AVashington 
D.C. Proc. Acad. Nat. Sci. 3 1917 (519- 
522). 117 
Cu6not, L. Sepia officinalis est une 
espece en voie de dissociation. Arch. 
Zool. Exper. et Gen. Paris 56 1917 
(315-346). 118 
Dacie, J. C. “ Littorina littorea L. : 
A Doubtful Record.” J. Conch. Leeds 
151917(179-180). 119 
Dali, W. H. Summary of the 
mollusks of the Family Aleclrionidae 
of the West Coast of America. Wash- 
ington D.C. Smithsonian Inst. U.S. 
Nation. Mus. Proc. 51 1917 (575-579). 
120 
Dali, AV. H. Notes on the shells of 
the genus Epitonium and its allies of 
the Pacific Coast of America. Washing- 
ton D.C. Smithsonian Inst-. U.S. 
Nation. Mus. Proc. 53 1917 (471-488). 
121 
Dali, W. H. A new species of 
Astarte from Alaska. Nautilus Boston 
Mass. 31 1917 (10-12). 122 
Dali, AV. H. Notes on boreal land 
and freshwater shells. ' Nautilus Boston 
Mass. 31 1917 (12-13). 123 
Dali, W. H. Mrs. Maria Baldridge. 
Nautilus Boston Mass. 31 1917 (34). 
124 
Dali, AV. H. New Bulimulus from 
the Galapagos Islands and Peru. 
AVashington D.C. Proc. Biol. Soc. 30 
1917 (9-11). 125 
