GUPPY : MOLLUSCA OF TRINIDAD. 213 



4. Stenogyra caracasensis Reeve. 

 Opeas caracasensis Crosse, I.e. p. 45, No. 26. 



A thin horny shell of about eight slowly increasing whorls, 

 and a rather o'btuse apex. Height 10 mill., diameter 2| mill. 



Much rarer and of a more limited geographical distribution 

 than the last. Its characters are in some respects unlike those 

 of most shells assigned to the genus. 



5. Stenogyra plicatella Guppy. 

 Opeas plicatella Crosse, I.e. p. 45, pi. ii., f. 2, 



A thin slender elongate-cylindrical sinuate-striate shell with 

 eight or nine whorls. Height 12 mill., diameter 3 mill. 



M. Crosse states the opinion of Bland ('Amer. Journ. 

 Conch.,' vol. iv,, p. 185, 1868), that I have confounded under 

 this name two previously-described species, namely, Sf. odonoidcs 

 Adams, and St. subula Pf. It may be that Bland is right, but 

 in this event these two species are only one. Our Trinidad 

 form is more different from the examples I have seen of the 

 two species named than these are from one another. But it 

 may readily be inferred that the shells described under these 

 names are only local races of one species, for which the 

 preferable name may be St. subula Pf. Buliiiius hortensis 

 Adams (Jamaica) may be added likewise to the synonymy. 



6. Cionella lannellata P. & M. 



Leptmaria funcki Bland (as of Pfeiffer). 



L. blandiana Pf., Crosse, I.e., p. 46, No. 29. 



An elongate-ovate colorless or waxy-white shell, with a 

 truncate columella, a simple outer lip, and a lamellar parietal 

 tooth. Height 13 — 15 mill., diameter 6 mill. 



I cannot appreciate the characters on which P^igiffer has 

 separated the Trinidad form from that of the Antilles and South 

 America. 



The name funcki was bestowed upon the Granada form 

 because a similar shell had been described under that name 



