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Jay's A Catalogue (1850) of the shells in collect of J. C. Jay.

p. 226 233 Genus Cylindrella of Pfeiffer exclusively W. India, but one 1 Texas & 1 in Puebla Land —(several species in Genus) Land Shell.

p 236 Tornatella Beck. 4 species 3 species in Is. of Opara (one of the Austral isd) & 1 Juan Fernandez. Land

p 260 Geomelania (Pfeiffer) 5 species Jamaica (most of the genera of land mollusca, range over world. — Land Trust to Pfeiffer

p. 263 Sto-astoma (Adams) 10 species in Jamaica.

p. 266 Chilina Gray 13 species all S. America F.W. land Molluscs.

p 266 Planorbis Europ Europe N. America & West Indies, Chini (not in outlying islands) (Jamaica. Sino only islds)

p 268 Lymnæa— world. Sandwich Isd. (not small islds) (But then not many lakes or streams in islds)

p 275 Paludomus, Swainson 8 specis allied to Melania, Ceylon & Ganges, F.W.

p 276 aneulotus 24 specis all American F.W. Anculotus

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I see Mollusca mostly large genera, & ranging over world. Distribution like Cirripedes. only few smallish genera angular confined. Nothing to be made out from Mollusca Heat seems the chief ruler of genera. (And barrier N. & S. of species)

Cumming says there are tropical species of Erycina

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X p 313 Styliper 2 species Galapagos & W. Indies

X p 323 Cyrlutus Cyrtulus 2 spe. Pacific & do Cuming incorrect

p 324

X p. 355 Monoceros about 20 species. all West Coast of Africa & Sandwich Isd & Galapagos.— No 1 S. Africa !

X p 48 Cypricardia coralliophaga, Pacific Ocean & W. Indies It is true

p 69 Hyria Lamarck 4 species S. America, River shell.—

p 74 Etheria — 9 species Rivers of Africa

I see every every little isld has its species of Helix. — Eggs well known power of remaining dormant & even whole shell itself; with operculum might be transported. — Bulimus great range also See Back in St. Helena Sandwich Society isld. Philippines N. Caledonia— Galapagos. Seychelles N. Zealand &c &c .— Can eggs be transported by Sea?—

This case must be considered.— It is rather good contrast in same class order of Gasteropoda, that the land & F. W., more especially F.W. have more restricted ranges than sea-shells— because means of transportal more difficult— on other hand great range of Planorbis & Lymnæa opposed to this view & great range of Helix & Bulimus

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p 216. Achetina (land) Madeira, Sandwich Is'. W. Indies — Philippines Juan Fernandez . Mauritius

p. 224 Pupa, West Indies isld. Socotia, Mauritius Sandwich Isds Cyprus vars. found at these places

Achetina acicula Europe & Madeira

― Dominicensis Hayti Jamaica

― fulica Madagascar Bourbon

― lubrica Europe Massachussetts

― truncata Florida, Key West, Cuba

virginis [do] [do]

vars found at

Pupa decumana St Thomas; & Cuba

― muscorum Germany, England. New York

— pagoda m

N. B. There are plenty of cases where vars. are fd. on distant parts of mainland.—

In Pfeiffer it might be curious to see whether

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Genus Bulimus Jay's Catalogue p. 187. found at following isld.

Philippines

Sandwich Isd

Society Is

Easter Isd

New Caledonia

St Helena

Canary Isds.

Galapagos I

New Zealand

Fernando Po

Feejee Isds.

Mauritius

Marianne Isd

Society Isds.

Solomon islds.

Seychelle isd.

New Zealand

(vars. found at these islds. —)

Bul. fasciolatus Crete Rhodes Syria

― fulguratus S. America (?) Feejee isd (?)

― globus Trinidad Hayti various islds of Philippine Arch.

otaheitana Taiti Hucliana

sultanus Java Philippines

zebra Mexico W. Indies Peru

Better trust to Pfeiffer