DISTRIBUTION. MARINE. 
Moll. 43 
g. Nearctic Zone. 
28. American Region. 
United States: — Shells from Mississippi; Baker (19).— Notes on 
Ancylus of Eastern States, with A. kirklandi n. sp. ; Walker (547). 
Western Arkansas and Missouri : Notes on fauna with Polygyra 
blandiana , n. sp. ; Pilsbry (411). — Florida: Guppya miamiensis, n. sp. ; 
Pilsbry (409). — Idaho: Zacoleus idahoensis , n. gen. and sp. ; Pilsbry 
( 414). — Indiana: Pisidium daniclsi, n. sp., and occurrence of P. obtusale; 
Sterki (505): Notes on fauna; Blatchley & Daniels (51): List of 
Mollusca; Daniels (137). — Michigan: N. spp. of Pisidium ; Sterki (506). 
— Minnesota : Pisidium cuneiforme , n. sp. ; Sterki (506). — Montana : On 
land and freshwater shells; Elrod (169): Notes on forms of Pyramidula 
strigosa\ Elrod (169). — New York: On the squid supposed to occur in 
Onondaga Lake; Ortmann (374). — North Carolina: Planorbis magnijicus , 
n. sp. ; Pilsbry (408) : Notes on landshells, with n. var. of Omphalina 
rugeli ; Vanatta (539). — Ohio: Pisidium ohioense , n. sp. ; Sterki (504). — 
Pennsylvania : Exotic Mollusca in Conservatory at Pittsburgh ; Clapp 
( 94). — South Carolina: List of landshells from Calhoun Falls; Billups 
( 43). — Washington: Shells from Douglas Co., Central Washington; 
Pilsbry (410). 
Bermuda Is. : — Notes on fauna; Verrill (542). 
29. Californian Region . 
California : — Sonorella walcottiana, n. sp. ; Bartsch (27): Pisidium 
rowelli , n. sp. ; Sterki (506). 
30. Canadian Region. 
Canada : — Occurrence of Helix hortensis at Perce, Gulf of St Lawrence ; 
H. A. P., Nautilus xvii, p. 71. — Niagara Falls: Few freshwater shells; L., 
Ottawa Natural, xvi, p. 205. 
MARINE MOLLUSC A. 
Dead shells may be distributed by floating on surface; Krogh (301). 
Study of Fauna of European Seas continued ; Kobelt (291). 
European Seas : — Review of Cerithiidce , with n. spp. of Cerithium ; 
Locard (317): On Pteropods ; Locard (318). 
1. Arctic Province. 
Spitzbergen : — Account of Gastropods collected by Russian Expedition ; 
Knipowitsch (290). 
Greenland : — Astarte soror , n. sp. ; Dall (133). 
2. Boreal Province. 
Mollusca from the Lyngen Fjord ; Bidenkap (39). 
Norway : — Scala sarsii, n. sp. ; Kobelt (291). 
Nova Scotia : — Chwtoderma canadense , n. sp. ; Nierstrasz (367). 
3. Celtic Province. 
Denmark : — Plankton off the Danish Coasts ; Johansen & Levinsen 
(261). # 
Helsingfors : — Occurrence of Alderia modesta ; Luther (326). 
