DISTRIBUTION. NON-MARINE. 
Moll. 45 
Guatemala :—Coelocentrum dispar , n. sp.; Pilsbry in Tryon (556): 
Helicina pterophora , n. sp.; Sykes (540). 
Cocos Is. (Costa Rica):—Notes on fauna with Tornatellina hopkinsi, 
n. sp.; Martens (332). 
27. Caribbean Region. 
Jamaica :—Urocoptis hendersoni, n. sp.; Pilsbry in Tryon (556): Dis¬ 
tribution of Pleurodonte sinuata group; Jarvis (249): Pleurodonte vacil- 
lans, n. sp.; Vendryes (561): Distribution of the Pleurodonte acuta 
group; Jarvis (248). 
Haiti :—Chondropoma superbum, n. sp.; Henderson & Simpson (222). 
Cuba :—Cerion longidens, n. sp.; Pilsbry in Tryon (556). 
Grand Cayman Is .:—Cerion caymanense, n. sp.; Pilsbry in Tryon 
(556). 
g. Nearctic Zone. 
28. American Region. 
United States:—Critical notes on some Valvatidce ; Walker (570) : 
Notes on landshells of South-western States ; Pilsbry (417) : Notes on 
Calyculina, with n. spp.; Sterki (520) : Notes on Limncea ; Cockerell, 
Nautilus xvi, p. 95 : Pisidium strengii, n. sp.; Sterki (519): Check-list of 
Unionidce ; Wright & Walker (610). 
Alabama :—Polygyra alabamensis ; Pilsbry (408).—Arizona : Sonorella 
granulatissima, n. sp.; Pilsbry (408).—Washington, D. C.: Occurrence 
of Vitrea draparnaldi ; Soelner (499).—Florida: Helicina tantilla, n. sp. ; 
Pilsbry (410).—Idaho : Pristiloma idalioense, n. sp.; Pilsbry (419).— 
Illinois: Calyculina hodgsonii, n. sp.; Sterki (520).—Indiana : Occurrence 
of Angitrema verrucosa at Lawrenceburg; Billups, Nautilus xvi, p. 72: 
Lampsilis blatchleyi, n. sp.; Daniels (124).—Louisiana: Notes on Unio¬ 
nidce] Frierson (181).—Maine: Notes on the fauna of Mud Lake; 
Nylander (376).—Montana: Notes on fauna ; Elrod (161).—New York : 
Occurrence of Limncea auricidaria in Brooklyn ; Call (65): Squids 
supposed to be found in Onondaga Lake ; Clarke (80): A list of the 
Mollusca of Lake Chautauqua ; Evermann & Goldsborough (167).— 
North Carolina: On a collection from the Mount Mitchell Region, with 
n. spp. of Vitrea, and n. varr.; Walker & Pilsbry (572).—Ohio : Notes 
on shells; Sterki (521).—Tennessee: Unio andrewsii, n. sp.; Marsh (324): 
Unio beaufihampi, n. sp.; Marsh (325).—Texas: Notes on Unionidce ; 
Frierson (181): Polygyra texasensis, n. sp.; Pilsbry (408). 
29. Californian Region. 
Western North America:—Notes on freshwater shells; Orcutt (380): 
Notes on shells; Orcutt (379). 
California:—Notes on Helix aspersa; Keep, Nautilus xv, p. 119. 
30. Canadian Region. 
Northern Ontario and British Columbia:—Notes on a few non-marine 
shells; Whiteaves (586). 
