SMITH : MOLLUSCA OF TRINIDAD. 241 
I quite concur with Mr. Guppy in considering the Trinidad 
form (B. auris-sciurt of Guppy) a variety of this species. It also 
occurs in Tobago (Sir R. Rawson). &. euryomphalus Jonas, 
and B. ofostomus Pfeiffer, both from Venezuela, are also mere 
varieties. 
19.—Bulimulus (Leptomerus) pilosus Guppy. 
In form this species is very like B. cormeus of Sowerby from 
Central America. It is well distinguished, however, by the 
different sculpture of the nuclear whorls. The apex in B. fpzlosius 
is almost truncate, and rather strongly longitudinally plicate or 
costulate ; in B. corneus the apex is very minutely shagreened or 
granular. B. fraterculus is a larger, longer and narrower species. 
20.—Bulimulus (Leptomerus) fraterculus Férussac. 
B. tenutssimus Guppy, of. cit., p. 218. 
This species is omitted from Mr. Guppy’s last catalogue. 
It certainly, however, does occur in Trinidad, for Mr. Guppy 
himself presented a series of it to the British Museum which he 
had collected on the island. It seems probable that the speci- 
mens he considers to belong to B. ¢enuzssimus Yér. are in reality 
examples of B. fraterculus.* It 1s quoted from Guiana by 
Drouet. 
21 part.—Bulimulus (Drymezeus) aureolus (Guppy). 
JAS WAU ie (op 
Bulimus aureolus Guppy, Ann. Mag. Nat. Hist., 1866, vol. 
XVIL, Pp. 49. 
Bulimulus aureolus typicus (varr. exclusis), Journ. of Conch., 
1893, vol. vil, p. 218. 
Hab.: Trinidad (Guppy). 
The form originally described by Guppy was of a plain 
yellow tint. This he subsequently designated var. zypica. At 
the same time he enumerated four other varieties, namely: 
1, albescens ; 2, fasciata ; 3, imperfecta; 4, Rawsoni. After a 
* He has since informed Mr. J. H. Ponsonby that such is the case. 
3/9/96 Q 
