73 Moll. 
Systematic. — Prosobranohia. 
2231 
| Patellostium Icevigatum sp. n. Ar- 
kansas Carboniferous, Girty New York 
N.Y. Ann. Acad. Sci. 20 p. 231. 
■\Perissoptera Nordenslcjoldi sp. n. 
Cretaceous Antarctica, Wilckens 
Schwed. Siidpolar-Exped. 3 12 p. 83. 
Peristernia incerta sp. n. Malay 
Archipelago, Sciiepman Result. Explor. 
Siboga Mon. 49’d pp. 297-298. 
P. venusta sp. n. Christmas Island 
Indian Ocean, Smith London Proc. 
Malftc. Soo. 9 p. 310. 
t Perplicaria prior sp. n. Florida 
Oligoccne, Maury Bull. Amcr. Paleont. 
Ithaca N.Y. 4 (No. 21) 1910 pp. 135- 
130. 
f Persicula calhounensis, dryados, spp. 
n., Florida Oligocene, Maury Bull. 
Amer. Paleont. Ithaca N.Y. 4 (No. 21) 
1910 pp. 134-135. 
Phasianella fascicularis sp. n. Mediter- 
ranean Coast of France, Dautzenberg 
J. conchyliol. Paris 58 pp. 207-208 
P. kraussi sp. n. S. Africa, Smith 
London Proc. Malac. Soc. 9 pp. 313— 
314. 
Phos. minutus sp. n. Malay Archi- 
pelago, Schepman Result. Explor. 
Siboga Mon. 49' d pp. 306-307. 
fP. subsemicostatus sp. n. Panama 
Oligocene, Brown & Pilsbry Phila- 
delphia Proc. Acad. Nat. Sci. 63 
p. 350. 
fP. semilineatum sp. n. Panama- 
canal Upper Tertiary, Toula Wien 
Jahrb. Geol. RchsAnst. 61. 
fP. watsoni sp. n. Florida Oligocene, 
Maury Bull. Amer. Paleont. Ithaca 
N.Y. 4 (No. 21) 1910 pp. 138-139. 
Photinula (Kingotrochus) lahillei von 
Ihering var. carinata var. n. S. Georgia 
[Antarctic], Lamy Bui. Museum Paris 
1911 p. 25. 
Pisania scoutanica sp. n. Tasmania, 
May Hobart Proc. R. Soc. Tasmania 
1910 pp. 389-390. 
f Platyceras subelegans sp. n. Arkansas 
Carboniferous, Girty New York N.Y. 
Ann. Acad. Sci. 20 p. 232. 
fP. pronum sp. n. Tennessee Silurian, 
Foerste Granville Ohio Bull. Sci. Lab. 
Denison Univ. 14 p. 65. 
f Pleuronotus subangulata sp. n. 
Michigan Silurian, Grabau Michigan 
Geol. Biol. Surv. Pub. Geol. Ser. 1 
p. 185. 
Pleurotoma ( Surcula ) nereis Smith, 
agalma Smith, P. ( Bathytoma ) urania 
Smith, figured, Indian Ocean, Annan- 
dale & Stewart Illustrations of the 
Zoology of the R.I.M. Survey Ship 
“Investigator” Calcutta 1910 pt. 6 
pi. xxi. 
f P. boadiceoides, lcempi , spp. n., 
Florida Oligocene, Maury Bull. Amer. 
Paloont. Ithaca N. Y. 4 (No. 21) 1910 
pp. 124-125. 
fP. ( Bathytoma ) marieana sp. n. 
Alabama Eocene, Aldrich Bull. Amer. 
Paleont. No. 22 p. 6. 
f P. ( Drillia ) dalli sp. n., gatunensis 
var. n. Panamacanal Upper Tertiary, 
Toula Wien Jahrb. Geol. RchsAnst. 
61. 
tP. (Clathurella f) christiniana tri- 
lineata, P. ( Glyphostoma ) mexicana, P. 
(Surcula) si. lucreciana, spp. n., Tehuan- 
tepec Pliocene, Toula Wien Jahrb. 
Geol. RchsAnst. 61. 
fP. ( Eopleurotoma ) tifechensis, P. 
(Hemi pleurotoma) Khremissaensis, spp. 
n., Algeria Tertiary, Dareste de la 
Chavanne Th&se fac. sci. Lyon and 
Bulletin de la Carte Geologique 
d’Algerie (s6r. 4) No. 4 1910 pp. 289-290. 
f Pleurotomaria idahoensis sp. n. Wyo- 
ming and Idaho Carboniferous, Girty 
Washington Bull. U. S. Geol. Surv. 436 
pp. 45-46. 
■\P. cotovui sp. n. Roumania Jurassic, 
Simionescu Bucuresci Publ. Adamachi 
Ac. Romana 25 1910 p. 23. 
fP. Larseniana sp. n. Cretaceous 
Seymour-Island, Wilckens Schwed. 
Siidpolar-Exped. 3 12 p. 73. 
f P. dictyon , shulleyi, hildesheimensis, 
schrammeni, palatii, spp. n., Germany 
Lower Cretaceous, Wollemann Berlin 
Jahrb. geol. Landesanst. 29 II 1908 
[1909] pp. 168-171. 
fP. ( Leptomaria ) bieskidensis sp. n. 
Stramberg Mahren Jurassic, Blaschke 
Wien Ann. Nat. Hist. Hofmus. 25. 
\Pleurotrochus gen. n. genotype tri- 
carinatus sp. n. Michigan Silurian, 
Grabau Michigan Geol. Biol. Surv. Pub. 
Geol. Ser. 1 pp. 179-180. 
