BY H. LEIGHTON KESTEVEN. 461 



LoTORiUM siNENSE, Reeve, sp. B. 



(Plate xvii., fig. 14.) 



Triton sinensis, Reeve; Tryon, op. cit. p. 20, pi. 11, f. 85. 



Apex of about four whorls, very slightly transparent, light 

 brown, smooth, shining, covered with a rather thick epidermis. 

 The tip of the specimen figured is broken off, but there is enough 

 to show its position in the series. 



LoTORiUM GEMMATUM, Reeve, sp. A. 



(Plate xvii., fig. 15.) 



Triton gemmatus, Reeve; Tryon, op. cit. p. 13, pi. 7, f. 41. 



Apex of four and one-half whorls, semitransparent, white, 

 smooth, shining, covered with a thin light brown epidermis. 



LoTORiUM ELONGATUM, Reeve, sp. B. 



(Plate xvii., fig. 16.) 



Triton elongatus, Reeve; Tryon, op. cit. p. 22, pi. 12, f. 96. 



Apex shorter and narrower than that of L. vespaceum, but 

 resembling it in other respects. 



/ LoTORiUM TUBEROSUM, Lamk., sp. B. 



(Plate xvii., fig. 17.) 



Triton tuberositas, Lamk.; Tryon, op. cit. p. 23, pi. 13, f. 111. 



Apex of four whorls, semitransparent, light brown above, dark 

 brown at the anterior suture, smooth, shining, covered with a thin 

 brown epidermis. 



LoTORiUM THERSiTES, Reeve, sp. B. 



(Plate xvii., fig. 18.) 



Triton thersites, Reeve; Tryon, op. cit. p. 32, pi. 12, ff. 99, 100. 



Apex of three whorls, semitransparent, light brown, smooth, 

 shining, covered with a thin light brown epidermis. 



