[1921 J 
VIII. Mollusca. 
Moll, ll 
198. — Grabau, A. W. Significance 
of the Sherburne Sandstone in upper 
devonic stratigraphy. Bui. Geol. Soc. 
Amer. New York 30 1919 pp. 423-470. 
198a. — Greco, B. Fauna cretaceo 
dall’ Egitto raccolta dal Figari Bey. 
Parte terza, fasc. 2. Palaeontogr. 
Italica Pisa 24 1918 pp. 1-58 5 pis. 
199. — Greger, D. K. The Devonian 
of Central Missouri (ii). Amer. J. Sci. 
New Haven Conn. pp. 265-266. 
200. — Greger, D. K. The Devonian 
of Central Missouri (iii). The Cooper 
Limestone. Amer. J. Sci. New Haven 
Conn. 50 1920 pp. 20-24. 
201. — Grier, N. M. Notes on the 
Naiad Fauna of the Upper Mississippi 
River. Nautilus Boston Mass. 34 1921 
pp. 80-81. 
202. — Grimpe, G. Teuthologische 
Mitteilungen. Zool. Anz. Leipzig 51 
1920 pp. 205-214. 
203. — Grimpe, G. Teuthologische 
Mitteilungen. v. Zwei neue Cirraten- 
Arten. Zool. Anz. 51 1920 pp. 230-243. 
Grimpe, G. vide Hoffmann. F. 
Grochmaliki, J. vide Dybowski, B. 
204. — Gro&ber, P. Estratigrafia del 
Dogger en la Republica Argentina. 
Estudio sentetico comparative. An. 
Min. Agric. &c. Buenos Aires 18 1.91.8 
pp. 5-81. 
204a. — Grossouvre, A. de. Bajocien- 
Bathonien dans la Nievre. Bull. soc. 
geol. Paris 18 1918 (1919) pp. 337-459 
4 pis. 
205. — Gruvel, A. Les huitres 
perli6res sur la c6te de Madagascar. 
C. R. Acad. Sci. Paris 173 1921 pp. 
1128-1130. 
206. — Gude, G. K. The fauna of 
British India including Ceylon and 
Burma . . . Mollusca. — iii. Land 
Operculates (Cyclophoridae, Trunca- 
tellidae, Assimineidae, Helicinidae). 
London Taylor & Francis 1921 pp. 
1-386. 
207. — Gude, G. K. Presidential 
address. Changes in the classification 
of Helices during a quarter of a century. 
Proc. Malac. Soc. London 14 1921 
pp. 151-160. 
208. — Gude, G. K. and Woodward, 
B. B. Some emendations of their 
recent paper “ On Helicella, Ferussac.” 
Ann. Mag. Nat. Hist. London 8 1921 
pp. 624-626. 
209. — Gude, G. K. and Woodward, 
B. B. On Helicella, Ferussac. Proc. 
Malac. Soc. London 14 1921 pp. 174- 
190. 
210. — Guiraud, II. Notes geologiques 
sur les environs d’Anjac. Bull. Soc. 
Sci. Nat. Nimes 40 1912-13 (1917) pp. 
32-38. 
211. — Haas, F. Seltene Schncckcn 
aus Flussanspiilungen. Ber. Senckenb. 
Ges. Frankfurt a. M. 51 1921 pp. 10-13. 
Haas, F. vide Bofill, A. 
212. — Hanna, G. D. Modiolus 
demissus Dillwyn, in San Francisco 
Bay. Nautilus Boston Mass. 34 1921 
pp. 91-92. 
213. — Hanna, G. D. Epiphrag- 
mophora fidelis (Gray) near San Fran- 
cisco Bav. Nautilus Boston Mass. 35 
1921 pp/ 34-35. 
214. — Harmer, F. W. The Pliocene 
mollusca of Great Britain, being supple- 
mentary to S. V. Wood’s Monograph 
of the Crag Mollusca. Palaeont. Soc. 
London for 1919 vol. ii pt ii. 1921 
pp. 653-704 pis. liii-lvi. 
215. — Harvey, E. N. The chemistry 
of light production in luminous 
organisms. Dept. mar. Biol. Carnegie 
Inst, 11 1917 pp. 173-234 [Mollusca at 
pp. 222-223]. 
215a. — Hauf, B. Untersuchung der 
Fossilfundstatten von Holzmaden in 
Posidonienschiefer des Oberen Lias 
Wurttombergs Bivalven Gastropodcn, 
Cephalopoden. Palaeontographica Stutt- 
gart 64 1921 pp. 19-29. 
215b. — Hayasaka, I. Permian 
Ammonites from the Tao-chung Mines, 
prov. An-hui, China. J. Geol. Soc. 
Tokyo 27 1920 p. (4)81. 
216. — Haynes, T. H. Notes on pearl 
formation and Japanese culture pearls. 
Proc. Malac. Soc. London 14 1921 
pp. 221-226 pis. vii viii. 
217. — Hede, J. E. Om nagra nya 
fynd av graptoliter inom Gottlands 
Silur och deras Betydelso for Strati- 
grafien. Sveriges Geol. Unders. 
Arsbok Ser. C. No. 291 Arsbok 12 1918 
No. 8 1919 pp. 3-31. 
