120 
MOLLUSCA. 
Jamaica. 25 species of Helix^ 1 Bulimus, 1 Achatina {iota, Ad.)^ 8 Gian- 
dina, 1 Macroceramus, 14 Cylindrella, 1 Geomelania, 4 Truncatella, 4 Cyclotus, 
3 Choanopoma, 3 AdammeUa, 4 Oyclostomus, 7 Tudora, 8 Stoastoma, 3 Tro- 
chatella, 1 Lucidella, 6 Helicina, 6 Alcadia, 2 Proserpina, 4 Melampus, 
1 Pedipes, 1 Carychium are enumerated; and their stations indicated from 
personal observation, by C. P. Gloyne, J. de Conch, xx. pp. 26-48. 
Antigua. Some preliminary notes on the malacological fauna are given 
by M. PuRVES, Bull. Mai. Belg. vii. pp. civ-cvi. 
Surinam. Several land-shells collected by Herr Kiihn are mentioned, and 
three new species described, by L. PfeiffeR; Mai. Bliitt. xix. pp. 74-76. 
Ecuador. 60 species of land-shells and 7 of freshwater shells collected by 
Mr. Buckley are enumerated, and 7 of them described as new, and figured, 
by E. T. IIiaaiNS; P. Z. S. 1872, pp. 685-687, pi. 56. 
7. North America. 
Prof. Haldeman^s important work on the freshwater univalve 
Mollusca of the United States, discontinued 25 years ago, has 
been brought to a conclusion in 1871 by the publication of 
its 9th number, in accordance with the author^s original plan. 
G. W. Thyon at the same time commences under the same 
title a supplement containing all the species detected after the 
publication of Haldeman^s work, with various remarks on the 
older species, and comprising in Nos. 1-3 the Ctenohranchia, 
Physa, and Limncea. 
Out of 62 terrestrial and 57 freshwater Mollusca enumerated in the 2nd 
edition of Gould’s Report on the Invertehrata of Massachusetts, Mr. Jeffreys 
states 24 terrestrial and 13 freshwater to be identical with European species. 
[Some of these are probably so referred in error; for example, Valvata 
tricarinata, which JelFreya suggests to be a variety of piscinaUs 1] Ann. N. II. 
(4) X. pp. 237-247. 
14 species of freshwater Mollusca, partly undetermined, have been found 
by dredging in Lake Ontario, by II. A. Nicholson. Ibid. pp. 282, 283. 
On the land-shells of Western Massachusetts, cf. W. G. Freedley, 
Am. Nat. v., Nov. 1871 [not seen by the Recorder]. 
Land-shells collected by Dr. R. K. Reid and others in the Salt-Lake 
district are treated by J. D. Cooper, P. Cal. Ac. iv. part 3, 1871, with some 
critical remarks on the geographical distribution of the land-shells of the 
Western Slope of N. America. 
3 land-shells from Alaska discussed by the Recorder, Mai. Blatt. xix. 
pp. 78-80. 
b. Marine Mollusca. 
1. Northern Seas of Europe. 
83 species of marine mollusks dredged off Iceland are enumerated by 
T. A. Verkruzen. Ann. N. H. (4) x. pp. 371-376, and Nachr. mal. Ges. 
1872, pp. 90-96. 
Northern sea-shells, mostly recent species, found at the mouth of the 
