2 Moll 
VIII. Mollusca. 
[1921] 
I.— T I T L E S. 
1. - — Abrard, R. Sur une faune 
mesoliasique de Sidi Mouley Yakoub 
(Maroc occidental). C. R. Acad. Sci. 
Paris 170 1920 pp. 278-279. 
2. — -Adkins, W. S. and Winton, W. M. 
Paleontological correlation of the 
Fredericksburg and Washita Forma- 
tions in North Texas. Bull. Texas 
Univ. Austin Texas No. 1945 1919 
pp. 1-128 pis. i-xxi. 
Adkins, W. S. vide Winton, W. M. 
3. — Agos, E. L. Yacimientos de 
fosiles carboniferos de Arenas de 
Cabrales (Asturias). Bol. Soc. Esp. Hist. 
Nat. Madrid 21 1921 pp. 59-62. 
4. — Aldrich, T. H. New Eocene 
species from Alabama. Bui. Amer. 
Paloont. Ithaca N.Y. 9 No. 37 1921 
pp. 5-32 pis. i-iii. 
5. — Airaghi, C. Sulla scomparsa di 
alcuni gruppi di animali e di vegetali. 
Natura Milano 9 1918 pp. 124-142. 
6. — Alkins, W. E. Notes on the 
growth and variation of Unio pictorum 
(Linn6). J. Conch. Leeds 16 1921 
pp. 228-233. 4 
7. — Alkins, W. E. Some recent 
records of Mollusca in the Churnet 
Valley of North-East Staffordshire. 
Ann. Rep. N. Staff F. Cl. 55 1920 
-21 pp. 88-105. 
8. — Alkins, W. E. Fauna of the 
Brachiopod Beds at Cauldon, Staffs. 
Ceol. Mag. London 58 1921 pp. 367-369. 
9. — Allen, W. R. Studies of the 
biology of freshwater mussels. Experi- 
mental studies of the food relations of 
certain Unionidae. Biol. Bui. Wood’s 
Holl. Mass. 40 1921 pp. 210-241. 
10. — Andr6e, K. Ueber einige 
fossile Problematika. I. Ein Problem- 
atikum aus dem Palaozoikuin von 
Battenberg an der Eder und des 
desselbe beherbergende Gestein. 
Neues Jahrb. Min. Geol. J. Pal. 1 1920 
pp. 65-88 pi. i. 
11. — Annandale, N. The apple-snails 
of the Malay Peninsula. J. Fed. 
Malay Mus. Kuala Lumpur 10 1921 
pp. 193-196. 
12. — Annandale, N. The aquatic 
fauna of Seistan. A summary. Rec. 
Ind. Mus. Calcutta 18 1921 pp. 235-248. 
13. — Annandale, N. Materials for a 
generic revision of the freshwater 
gastropod molluscs of the Indian 
Empire. No. 3. The freshwater genera 
of Hydrobiidae. Rec. Ind. Mus. 
Calcutta 22 1921 pp. 1-6. 
14. — Annandale, N. Materials for a 
generic revision of the freshwater 
gastropod molluscs of the Indian 
Empire. No. 4. The Indian Ampul- 
lariidae. Rec. Ind. Mus. Calcutta 22 
1921 pp. 7-12. 
15. — Annandale, N. and Prashad, B. 
The Indian molluscs of the estuarine 
subfamily Stenothyrinae. Rec. Ind. 
Mus. Calcutta 22 1921 pp. 121-136 
pi. xvi. 
16. — [Anon.]. Field Meeting, 12th 
April, 1919 : Bourne End. Trans. 
Hertford. Nat. Hist. Soc. and F. Cl. 
17 1921 p. li. 
17. — [Anon.]. Le conchiglie marine 
del Genovesato. Natura Milano 7 
1916 pp. 183-184. 
18. — Ashby, E. Description of 
Bracebridge Wilson Collection of Vic- 
torian Chitons, with description of two 
new species. Proc. R. Soc. Viet. 
Melbourne 33 1921 pp. 149-158 pi. viii. 
19. — Ashby, E. The occurrence of 
three species of Stenochiton in Western 
Australia. J. R. Soc. West Austral. 
Perth 6 1921 pp. 108-111. 
20. — Awerinzew, S. Einige Beitrage 
zur Verbreitung der Bodenfauna in 
Kola-Fjorde. Intern. Rev. Hydrobiol. 
Leipzig 2 1909 pp. 375-385. 
21. — Baden, K. Zur Gliederung des 
Oberen Muschelkalks in Lothringen. 
Zs. D. Geol. Ges. Berlin A 71 1919 
pp. 104-121. 
