52 Moll. 
VIII. Mollusca. 
[1912] 
United States. 2227 gf 
North America, revision of Sphae- 
riidae ; Sterki, 600. 
N.E. United States. 2227 gg 
Maino, oco. certain spp. ; Kingsley, 
328. 
Maine, occ. certain spp. ; Winkley, 
680. 
Maryland, Garrett County, faunal 
list ; Stone, 607. 
Upper Potomac Drainage, occ. 
Lampsilis ventricosus (Barnes) ; Ort- 
mann, 437. 
Cincinnatia and other genera, oco. 
of in Delaware Drainage. Nautilus 
Boston Mass. 26 p. 96. 
New England, occ. Polygyra pal- 
liata, Say ; Johnson, 304. 
North Eastern United States, Pisi- 
dium spp. n. ; Sterki, 600. 
Maine, Amnicola sp. n. ; Pilsbry, 
471. 
Maine, Aroostook Co., faunal list; 
Nylander, 426. 
Philadelphia, occ. of Viviparus con- 
tectoides. Nautilus Boston Mass. 26 
p. 84. 
Michigan, Musculium sp. n. ; Sterki, 
599. 
Michigan, Planorbis campanulatus 
var. n. ; Baker, 21. 
Michigan, Sheboygan Co., G ire inaria 
concava (Say), occ. of ; Baker, 22. 
S.E. United States. 2227 gh 
S.E. United States, Pisidium sp. n. ; 
Sterki, 600. 
Georgia, Polygyra clarlcii, var. n. ; 
Vanatta, 646. 
Florida, Polygyra subsp. n. ; Pilsbry, 
472. 
Florida, Viviparus sp. n. ; Pilsbry & 
Johnson, 476. 
Southern Florida, terrestrial faunal 
list; Vanatta, 643. 
Alabama, Opeas gracile , occ. of ; 
Smith, 560. 
Alabama, Anculosa sp. n. ; Hinkley, 
270. 
Alabama, Madison County, faunal 
list with notes ; Wheeler, 676. 
Alabama, Monte Sano, occ. certain 
spp. ; Wheeler, 677. 
Now Orleans, occ. certain spp. 
Nautilus Boston Mass. 26 p. 36. 
Mississippi, Bifidaria contractu var. 
n. and faunal list of Mississippi, Loui- 
siana and Arkansas ; Vanatta, 644. 
W. United States. 2227 gi 
Naiad fauna of North Eastern Iowa ; 
Geiser, 193. 
Colorado, Oreohelix, occ. of and 
notes on ; Henderson, 258. 
Colorado Mollusca ; Henderson, 260. 
Colorado, Oreohelix sp. n. ; Pilsbry, 
470. 
Northern New Mexico, occ. certain 
spp. ; Henderson, 257. 
New Mexico, occ. Ashmunella thorn- 
soniana. Nautilus Boston Mass. 26 
pp. 69-70. 
Texas, Holospira, sp. n. ; Pilsbry, 
473. 
Texas, Somervell Co., faunal list ; 
Sterki, 597. 
Arkansas, \Unio~\ Arhansia gen. and 
sp. n. ; Ortmann & Walker, 439. 
Unionidae, notes on certain spp. 
from Kansas ; Clark & Gillette, 84. 
Montana, Oreohelix sp. n. ; Pilsbry, 
470. 
California, Gorneocyclas, Lymnaea, 
Fisherola, Fluminicola spp. n. ; Han- 
nibal, 246. 
Californian Province, recent fresh- 
water fauna discussed ; Hannibal, 246. 
A census of the land and fresh- water 
mollusks of south-western California. 
Part 1. Land Mollusca; Edson & 
Hannibal, 166. 
Aquatic molluscs of southern Cali- 
fornia and adjacent regions ; Hannibal, 
248. 
California, Sonorella, Epiphragmo- 
phora sp. and subsp. n. ; Edson, 164. 
Mississippi River System. 2227 gk 
Missouri, Unio (Obovaria) sp. n. ; 
Frierson, 184. 
