10 Moll . 
VIII. Mollusca. 
[1920] 
Hume, W. F. (and others). Pre- 
liminary geological report on Gebel 
Tanka Area. Cairo Min. Finance Egypt 
Petrol. Research Bui. No. 4 1920 (1-16). 
269 
Hume, W. F. (and others). Pre- 
liminary geological report on the 
Quseir-Safaga District. Cairo Min. 
Finance Egypt Petrol. Research Bui. 
No. 5 1920 (1-15). 270 
Hunter, A. C. A pink yeast causing 
spoilage in oysters. Washington D.C. 
Bui. U.S. Dept. Agric. 819 1920 (1-24). 
271 
Iredale, T. Preliminary notice of 
Roy Bell’s mollusoan collections. Lon- 
don Proc. Malac. Soc. 14 1920 (48). 272 
Israel, W. Die Perlenmuschel im 
Gomitzbache ausgestorben. August, 
1919. Frankfurt a. M. NachrBl. D. 
malakozool. Ges. 52 1920 (94-95). 273 
Jackson, J. W. On a new Middle 
Carboniferous Nautiloid ( Coelonautilus 
trapezoidalis). Mem. Manchester Lit. 
and Phil. Soc. 63 No. 3 1918-19 1920 
(1-4) 1 pi. 274 
Jackson, J. W. “ Shell -Pockets ” on 
sand-dunes on the Wirral Coast, 
Cheshire ; and notes on ancient land 
surfaces. Manchester Lancs. and 
Cheshire Nat, 12 1919 (9-14 39-44). 
275 
Jackson, J. W. Mollusca. Manches- 
ter Lancs, and Cheshire Nat. 12 1920 
(305-307). 276 
Jackson, J. W. Mollusca and 
Crustacea. The Association of fresh- 
water Mollusca with Crustacea. Man- 
chester Lancs, and Cheshire Nat. 13 
1920 (91-94). 277 
Jackson, J. W. Anodons in Whit- 
worth Park Lake, Manchester. Man- 
chester Lancs, and Cheshire Nat. 13 
1920 (94). 278 
Jackson, J. W. and Kitchen, J. G. 
Mollusca. Planorbis dilatatus and 
Physa heterostropha in the River Tame, 
at Dukinfield, Cheshire. Manchester 
Lancs, and Cheshire Nat. 12 1920 
(131-132). 280 
Jackson, R. T. Value and use of 
stages in development in teaching 
Palaeontology. Bull. geol. Soc. 
America 31 1919 (395-400). 279 
Jacot, A. On the marine mollusca of 
Staten Island, N.Y. Nautilus Boston 
Mass. 33 1920 (111-115). 281 
Jacot, A. Notes on marine mollusca 
about New York City. Nautilus Bos- 
ton Mass. 34 1920 (59-60). 282 
Jaeger, R. Grundziige einer strati- 
graphischen Gliederung der Flysch- 
bildungen des Wienerwaldes. Wien 
Mitt. Geol. Ges. 7 1914 (122-172) pis. 
iv-vii. 283 
Jaworski, E. Die Fauna der ober- 
triadischen Nucula- Merge 1 von Misol. 
Stuttgart Pal. Timor Lief, ii 1915 1915 
(73-174) pis. xliii-xlv. 284 
Jeannet, A. and Gerber, E. Sur 
une lacune du Lias inf6rieur et moyen 
dans l’anticlinal du Stockhorn (Pr^alpes 
bemoises). Lausanne Bui. Soc. Sci. 
Nat. (Proc.-Verb.) 52 1920 (140-147). 
285 
Jenkins, J. T. The sea fisheries. 
London Constable & Co. 1920 1920 
(1-299). 286 
Jennings, F. B. Clauailia biplicata , 
Mont, in Essex. Essex Nat. 19 1919- 
1920 1920 (142). 287 
Jensen, P. B. Valuation of the 
Limfjord. I. Studies on the fish-food 
in the Limfjord, 1909-1917, its quan- 
tity, variation, and annual production. 
Copenhagen Rept. Danish Biol. Stat. 
26 1919 (1-44). 288 
Johnson, C. W. Fasciolaria papillosa 
Sowerby. Nautilus Boston Mass. 33 
1920 (142). 289 
Joly, H. and Laux, N. Sur la faune 
des couches inf^rieures de l’Aalenien du 
grand-duch6 de Luxembourg. Paris 
C. R. Acad. Sci. 171 1920 (1163-1165). 
290 
Jordan, E. K. Notes on a collection 
of shells from Trinidad, California. 
Washington D.C. Smithsonian Inst. 
Proc. U.S. Nation. Mus. 58 1920 (l-5> 
pi. i. 291 
Jordan, H. t)ber die Art, wie 
Mcictra injlata sich in den Sand 
einwiihlt. Zool. Jahrb. Jena 35 1915 
(289-300). 292 
Joubin, L. Cephalopodes provenant 
des campagnes de la Princesse-Alice 
(1898-1910) 3 Ser. Res. Camp. Sci. 
Monaco 54 1920 (1-95) pis. i-xvi. 293 
