310 PROCEEDINGS OF THE MALACOLOGICAL SOCIKTV. 



28. Cylindkeija collakis (Eerussac). 



Helix {Cochlodina) collaris, l\'i-us. — Prodrome, p. 65, No. 507; Hist. 

 Moll., pi. clxiii, liiis. 5-7; riiilippi, Abbild., vol. i, p. 182, 

 pi. i, figs. 9, 10; I'feiffer, Coneli.-Ciib., cd. 2, p. 41, pi. iv, 

 tigs. 29-34 ; Sowerby in lloeve's Conch. Icon., vol. xx, 

 fig. 95 (rough !). _ 

 JIah. — "Found thus far only in one place, where it is rare: dry 



rocky hillside in the forest above Chateaubelair (leeward), about 1,000 



feet. Conceals itself in crevices of the rocks, coming out sometimes 



in the rainy season." (H. H. S.) 



The distribution of this species is not yet definitely determined, 



some of the localities assigned to it requiring confirmation. Porto 



llico, Martinique, Guadeloupe, are quoted by Ferussac ; a single 



specimen in Cuming's collection is labelled " Barbadoes, Dr. Cutter" ; 



and now, for the first time, specimens have been obtained at St. 



Yincent. 



These examples arc a trifle larger than usual, but do not differ in 



other res])ccts. The peristome is described by Pfeiffer as " album," 



but, if carefully examined, only the upper part appears to be white; 



the loAver half being pale brown. The figure given by Sowerby is as 



bad as the description is meagre and inaccurate. 



29. Ctclotcs Geexadexsis (Shuttleworth, emend.). PI. XXI, 

 Figs. 6-8. 



Cyclostoma Gra^iadense, Shuttl. — Journ. de Conch. 1856, vol. v, p. 200. 

 Ci/clotus Granademis. — Pfeiffer, Mon. Pneumon., vol. ii, p. 18. 

 Ci/c/otus mperalm. Reeve (? Sowerby). — Conch. Icon., pi. vi, fig. 33. 

 Cyclotus riigatiis, Guppy. — Ann. Mag. Xat. Hist. 1864, vol. xiv, p. 246, 

 1866, vol.xvii,p. 46; Pfeiffer, Mon. Pneumon., vol. iv, p. 34. 



Hah. — Grenada (Shuttleworth and H. H. Smith) ; Trinidad (Guppy, 

 for C. r If (I aim); St. Yincent (Guppy). "Common locallv, dry forest, 

 500-2,000 feet, but principally between 1,000 and 500 'feet, at roots 

 of trees, and in crevices of rocks in decaying vegetable matter" 

 (H. H. Smith). 



I have compart'd a considerable series of specimens from Grenada 

 and St. Yincent, and, with the exception of the slightly superior size 

 of those from the latter locality, I can discover no difference. Two 

 examples of C. rugatus from Trinidad, presented to the Museum by 

 Mr. Guppy, are also identical with this species. The Cyclotus 

 asjjendus of Sowerby, as determined by lieeve, also belongs to it, 

 but the true Cyclostoma asjjerulum, as figured in the Thesaurus 

 Conchyliorum, vol. i, pi. xxiii, fig. 3, is apparently a different form. 



30. Helktxa occidextalis, Guilding. 



H.' occidentalism Guilding. — Zool. Journ., a'oI. iii, p. 529, pi. xv, figs. 

 6-10; Sowerby, Thes. Conch., vol. i, p. 7, pi. ii, figs. 86, 

 87, vol. iii, p. 292, pi. cclxxvi, figs, 384-5 ; Pfeitt'er, Conch. - 

 Cab., cd. 2, p. 51, pi. vi, figs. 19, 20, pi. a, fig. 13; 

 Swainson, Malacol., p. 184, fig. 28; Gray, Fig. Moll. 

 Anim., pi, cccxi, fig. 4 ; Sowerby in Ileeve's Conch. 

 Icon., fig, 183. 



