38 Moll. 
VII. MOLLUSCA. 
Costa Rica : Land and freshwater of ; Biolley (40) : Oleacina underwoodi , 
n. sp. ; Fulton (158). 
Mexico: — New species of Ccelocentrum , Eucalodium , and Schazicheila ; 
Dall (107) : New species of Helix ( Lysinoe ) and Polygyra \ Dall (108). 
Lower California : New species of Bulimulus ; Pilsbry (362). 
27 . Caribbean Region. 
Martinique : Bulimulus chrysaloides , n. sp. ; Pilsbry (355). 
Bahamas: Two new species of Cerion\ Pilsbry & Vanatta (371). 
Guadelupe : Bulimulus semicinctus , n. sp. ; Pilsbry in Tryon (476). • 
g. Nearctic Zone. 
28 . American Region. 
United States : — New Unionidce from Alabama, Florida, North Carolina, 
and Virginia; Wright (526): Check-list of land-shells commenced; 
Pilsbry (366). — North America: Notes on species of Agriolimax and Pro - 
physaon ; Cockerell (84). — Kentucky : Carychium slygium } n. sp., in Mam- 
moth Cave; Call (67). — Great Smoky Mts., U. S. A.: Polygyra ferrissi , 
n. sp. ; Pilsbry (369). — Texas : Holospira hamiltoni ) n. sp. ; Dall (106). — 
Idaho : Hemphillia camelus, n. sp. ; Pilsbry & Vanatta (372) : New variety 
of Helix device ; Hemphill (191). — Illinois: Land and freshwater shells 
from ; Baker (22). — Maine : Planorbis nautileus discovered in ; Walker, 
Nautilus, x, p. 117 ; also in Ontario, Hanham, t. c. p. 131. — Maine: Fresh- 
water shells of ; Nylander, Nautilus, xi, p. 9. — Charleston, S. C.: Cochlicella 
ventricosa and other species ; Mazyck (292). — Louisiana: Freshwater shells 
from; Frierson (154). — Florida: Unio walkeri. , n. sp. ; Wright (524): 
Three new species of XJnio\ Wright (523). 
29 . Californian Region. 
New Mexico: — Polygyra rhyssa , n. sp. ; Dall (103 a): Holospira 
cocker elli , n. sp. ; Dall (107) : Pupa gabbii , var., in ; Cockerell, Nautilus, 
x, p. 143. 
30 . Canadian Region. 
Canada: — Planorbis nautileus in; Taylor (463). — Lake Superior, 
Canada : Unio superior ensis, n. sp. ; Marsh (276). — Quebec : Land-shells 
from neighbourhood ; Hanham (182). 
Greenland: — Land-shells from; Drygalski (130), vol. ii, p. 155 : Fresh- 
water, t. c . p. 175. 
MARINE MOLLUSCA. 
1 . Arctic Province. 
Arctic: — The Pelagic Mollusca of the arctic and antarctic regions; 
Chun (77). 
Spitzbergen : — Marine shells with Neptunea sachsenheimi , n. sp. ; Kima- 
kowicz (244). 
Greenland *. — Gasteropods, pelecypods, pteropods and cephalopods ; Dry- 
galski (130), vol. ii, pp. 185-193 : Pteropods of Karajak Fiord, t. c. 
pp. 277 & 278. 
