[1921 J 
VIII. Mollusca. 
Moll. 49 
j Conocardium chesterensis sp. n. 
Basal Okaw and Golconda limestones, 
Illinois, Weller Bull. Geol. Surv. 
Illinois 41 p. 366. 
Prolocardia richardsonii fig., Dall 
U.S. Nation. Mus. Bull. 112 pi. ii fig. 3. 
Tridacna with T. maxima var. n. 
fossor Capricorn Group, Hedley Rec. 
Austr. Mus. 13 pp. 163-172. 
Vesicomya ( Callogonia) stearnsi fig., 
Dall U.S. Nation. Mus. Bull. 112 pi. i 
figs. 6 & 7. 
Chamacea. 
■fAfricardia, Hennig 222. 
t Caprinidae , Hennig 222. 
Chama, Dautzenberg 139. — C., 
Lamy 270. 
• \Hippurites , Spengler 418. 
fA new genus wnnamed of Mono- 
pleuridae Hennig Zs. D. geol. Ges. 
Berlin Abliandl. 68 p. 454. 
• \Sauvagesia degolyeri sp. n. Cretaceous, 
Mexico, Stanton Proc. U.S. Nation. 
Mus. 59 p. 454. 
Conohacea. 
■ \Baslerotia ? prima sp. n. Eocene, 
U.S. A., Aldrich Bui. Amer. Pal. 
Ithaca 9 No. 37 p. 20. 
Balissa, Prashad 364. 
Calyptogena elongata fig., Dall U.S. 
Nation. Mus. Bull. 112 pi. iii fig. 3. 
Chione meridionalis sp. n. Peru, 
Oldroyd Nautilus 34 p. 93. 
Clementia mccldlandi sp. n. S. Africa, 
Tomlin J. Conch. Leeds 16 p. 215. 
Cryptodon eutornus sp. n. S. Africa, 
Tomlin J. Conch. Leeds 16 p. 215. 
Cyclas, Helverstine 219. 
\Cyrena huarazensis sp. n. Cretaceous, 
Peru, Fritzsche Centralbl. Min. Stutt- 
gart 1921 p. 275. 
Cyrena, Prashad 364. 
f Cytherea serana, lirevanida, supra - 
laevis spp. n. Pliocene, Moluccas, 
Fischer Centralbl. Min. Stuttgart 
1921 p. 249. — C. y Wrigley 503. 
Donax, Dautzenberg 139. 
(n-17041 r) q - 
■\Donax acutangula sp. n. Eoccno, 
U.S. A., Aldrich Bui. Amer. Pal. 
Ithaca 9 No. 37 p. 22. 
IfDosinia steinmanni sp. n. Pliocene, 
Moluccas, Fischer Centralbl. Min. 
Stuttgart 1921 p. 248. 
Eupera platensis sp. n. Argentina, 
Doello-Jurado Physis Buenos Aires 
5 p. 73. 
Ipliigenia, Dautzenberg 139. 
t Isocardia , de Brun & Vedel 80. 
Meretrix, Dautzenberg 139. 
Musculium, Latchford 274. 
Neopisidium, Eupisidium subgenn. n. 
Pisidium, Odhner J. Conch. Leeds 16 
p. 222. 
Petricola pholadiformis, Pelseneer 
342. 
Pisidium with P. pusillulum nom. n. 
for P. pusillum Jen. (of B. B. Wood- 
ward) non Gmel. nec Turt., P. ob- 
tusalastrum nom. n. for P. obtusale C. 
Pfr. (of Jen. non Pfr.) non Lk., Wood- 
ward Proc. Malac. Soc. 14 pp. 209-220. 
— P. dessini, Stelfox 427. — P. lillje- 
borgii, Oldham 324. — P. tenuilineatum, 
Oldham 322. — P. parvulum, Oldham 
321 & 323— P., Odhner 316. 
f Psammobia smithi , harrisi spp. n. 
Eocene, U.S.A., Aldrich Bui. Amer. 
Pal. Ithaca 9 No. 37 pp. 23-24. 
Psephidia cymata fig., Dall U.S. 
Nation. Mus. Bull. 112 pi. iii fig. 2. 
' \Sanguinolaria ( Nuttallia ) orcutti sp. 
n. Pleistocene, Dall West. Amer. 
Scientist 19 p. 17. 
Solen ensis, Shepard 405. 
Sphcerium nitidum, Odhner 318. 
f Tancredia, de Brun & Vedel 81. 
Tapes philippinarum, Thaanum 439. 
f Trapezium, de Brun & Vedel 80. 
■\Venerupis praeradiata sp. n. Plio- 
cene, Moluccas, Fischer Centralbl. 
Min. Stuttgart 1921 p. 249. 
Venus stutzeri Don. an earlier name 
for Circe scripta L. var. personata 
Desh., Pilsbry Nautilus 34 p. 141. 
Villorita with V. cornucopia sp. n. 
India, Prashad Rec. Ind. Mus. 22 
pp. 111-119. 
a 14 
