Moll . 33 
VIII. Mollusca. 
[1921] 
Purpura, Dautzenberg 139. 
Pyrgulofusus har pa fig., Dall U.S. 
Nation. Mus. Bull. 112 pi. vii fig. 1. 
f Pyrifusus (N eplunella) gracilis sp. n. 
Lance formation, N. Dakota, Stanton 
& Vaughan Prof. Paprs. U.S. Geol. 
Surv. 128- A p. 41. 
f Pyropsis hancocki sp. n. Lance 
formation, N. Dakota, Stanton & 
Vaughan Prof. Paprs. U.S. Geol. 
Surv. 128-A p. 42. 
f Pyrula, Wrigley 503. 
Searlesia dira fig., Dall U.S. Nation. 
Mus. Bull. 112 pi. viii fig. 1. 
f Siphonalia quadrilineata sp. n. Eo- 
cene, U.S.A., Aldrich Bui. Amer. Pal. 
Ithaca 9 No. 37 p. 15. — S. spir acuta 
sp. n. Pliocene, Moluccas, Fischer 
Centralbl. Min. Stuttgart 1921 p. 246. 
Tritonalia painei, barbarensis, inter- 
fossa, i. alpha, lurida aspera, flgg., 
Dall U.S. Nation. Mus. Bull. 112 
pis. vi figs. 1,5; xi fig. 8 ; xiii figs. 8, 
12 ; xv fig. 11. 
Tritonidca , Dautzenberg 139. 
Trophon, Morse 306. 
t Trunculariopsis nom. n. for Trun- 
cularia Di Monterosato, mut., Coss- 
mann Rev. crit. paleozool. Paris 25 
p. 79. 
Volutopsius stejnegeri, trophonius, 
simplex, stefanssoni, filosus, limatus, 
flgg., Dall U.S. Nation Mus. Bull. 
112 pi. viii figs. 9, 11 ; ix figs. 1, 2 ; 
x fig. 1 ; xii fig. 8. 
Atlantidae, Cymatid^e, Cassididje, 
Tonnid;e, Cyfrasidas, Strombidje, 
Aporrhatdas and Struthiolariidje. 
Aporrhais, Morse 306. 
•\Alaria, de Brun & Vedel 80. 
Anchura ( Drepanochilus ) americana 
var. pusilla , perveta and var. gracilis 
spp. and varr. n. Lance formation, 
Dakota, Stanton & Vaughan 'Prof. 
Paprs. U.S. Geol. Surv. 128A pp. 38 
& 39. 
Atlanta, Kalkschmid 253. 
\Calyptraphorus septentrionalis sp. n. 
Lance formation, Dakota, Stanton & 
Vaughan Prof. Paprs. U.S. Geol. 
Surv. 128A p. 39. 
(n-17041 r) Q 
Cypraea ostergaardi nom. n. for C. 
pacifica, Dall Nautilus 35 p. 50. — C., 
Christensen 101. — C., Dautzenberg 
139. 
\Cypraea estellensis sp. n. Eocene, 
U.S.A., Aldrich Bui. Amer. Pal. 
Ithaca 9 No. 37 p. 14. — C. fufana sp. n. 
Pliocene, Moluccas, Fischer Centralbl. 
Min. Stuttgart 1921 p. 244. 
f Orthaulax caepa sp. n. Tertiary, 
Oliogcene ? Cuba, Cooke Prof. Paprs. 
U.S. Geol. Surv. 129-B p. 31. 
■\Ovula regularoidea sp. n. Eocene, 
U.S. A., Aldrich Bui. Amer. Pal. 
Ithaca 9 No. 37 p. 14. 
Ranella, Morse 306. 
Strombus, Dautzenberg 139. 
■\Strombus deningeri sp. n. Pliocene, 
Moluccas, Fischer Centralbl. Min. 
Stuttgart 1921 p. 244. 
f Triton, Wrigley 503. 
Trivia cosmoi sp. n. Seychelles, 
Dautzenberg J. Conchyliol. 65 pp. 
330-331. 
C ERITIIIIDiE, PLANAXIDiE, NeRINEIDAS, 
TRICHOTROPIDIDAS, V ERM ETID A5, 
TURRITELLID.® AND CaECIDjE. 
f Batillaria, Charpiat 100. 
f Bourguetia, de Brun & Vedel 80. 
Caecum, Bartsch 40. 
Cerithiopsis fraseri, C. ( Cerithiop - 
sina) signa British Columbia, C. 
onealensis Puget Sd., C. ( Cerithiopsina ) 
willetti Alaska, spp. n., Bartsch 
Proc. Biol. Soc. Washington 34 pp. 
34-36. 
f Cerithiopsis estellensis sp. n. Eocene, 
U.S.A., Aldrich Bui. Amer. Pal. 
Ithaca 9 No. 37 p. 15. 
Cerithium, Christensen 101. 
■\Cerithium polygyrinum Cretaceous, 
Argentina, C. pucaense, miraflorense 
Cretaceous, Bolivia, spp. n., Fritzsche 
Centralbl. Min. Stuttgart 1921 pp. 273- 
274. — C. ( Pirenella ) guebhardi sp. n. 
Tertiary, France, Dollfus Bull. soc. 
geol. Paris 18 p. 279. — Cerithium 
( Potamides ) baumbergeri, sp. n. Tertiary,. 
Switzerland, Dollfus Bull. soc. geol. 
Paris 18 p. 277. — C., Wrigley 503. 
C. gustavei nom. mut. for C. atchiaci 
Dollfus, Cossmann Rev. crit. paleozool. 
25 1921 p. 79. 
a 13 
