230 
ZOOLOGICAL LITERATURE. 
TVest-lndian species : — 
Helix versicolor (Born). Specimens entirely agreeing with those figured 
by F<^russac were found in Cuba. Pfeiffer; Malac. Bliitt. 1864, p. 108. 
Helix alauda (Fer.). Pfeiffer, 1. c. p. 126, describes some remarkable varieties 
of this species from Cuba. 
Helix hrocheri (Gutierrez), Pfeiffer, 1. c. p. 124, from Cuba, belonging to 
the gToup of H. muscarum. — II. schivartziana, Pfeiffer, 1. c. p. 125, from Cuba. 
— H. reiniana, Pfeiffer, 1. c. p. 1, from Bermudas. — II. discrepans, Pfeifier, 
/. c., from Bermudas; allied to IL circumjinnata (Bedf.). 
South American species : — 
Helix vitrea. Bonnet, Rev. Zool. no. 3. South America. 
Bulimus, group Amphidromus. 
Bulimus annamiticus, Crosse et Fischer, Joum. Conch. 1864, p. 829, pi. 12. 
f. 8, described in the preceding volume (xi.), 1863, p. 367, from Cochinchina. 
' — Bulimics levcoxanthus, Martens, Monatsb. Acad. Wiss. Berl. 1864, p. 526 ; 
locality unknown; closely allied to B. atricallosns (Gould). — Bulimus su~ 
spectus, Martens, 1. c., from Timor; allied to B. Icevus (MUll.). — Bulimus 
mmatranus, jMartens, I, c., from Sumatra ; allied to B. porcellanus (Mouss.). 
Bulimus, group Placostylus, ^c. 
Crosse, H. Etude critique sur les Bulimes auriculiformes de 
la Nouvelle Caledonie et des terres voisines. Journ. Conch. 
1864, pp. 105-151. 
Although this memoir does not contain descriptions of new 
species, it is nevertheless of great value, the author having 
given a complete list and comparative descriptions of twenty- 
three species and of some remarkable varieties which have been 
regarded by other authors as distinct species. It cannot he 
denied that they form a most natural series, although, at the 
first glance, the first and last of the series seem to he widely 
different from each other ; they would form the groups named 
hy Albers Placostylus, Eumecostylus , and Charis. Also M. 
Crosse refers the species to three subdivisions, which, however, 
do not exactly correspond to those proposed hy Albers. The 
first with B. Jibratus, and the second with B. bovinus, Brug. = 
shongi. Less., as types, are identical with Placostylus, whilst the 
third, including B. cleryi, B. mallealus, and B. miltochilus, would 
correspond to Eumecostylus and Charis of Albers. — Two species 
are figured: B. fuligineus (Bfr.), pi. 7. fig. 4, and B. (formerly 
Partula) salomonis (Pfr.), fig. 5. 
Bulimus cethiops and B. obsoletus, Morelet, Journ. Conch. 1864, pp. 157 & 
168, from West Africa \^LimicolaricB?']. 
Achatina spekei, l)ohrn, Proc. Zool. Soc. 1864, p. 117, from Lake N’yanza; 
allied to A. ustulata (Lam.). 
