66 PROCEEDINGS OF THE MAIACOLOGICAL SOCIETY. 



Helix hiciliata, Pfoiffer, will, I think, prove to be a Plectopylis 

 {Sijhesia); palatal armature is present, but I have only a single dead 

 shell, found by Mr. Preston at PatapoUa (6,500 feet). Mr. Preston 

 also found plentiful at TJda Pussellawa a species which appears to be 

 a variety of Helix Huttoni, Pfr. ; it is slightly smoother, and the colour 

 is more of a reddish-brown : he also found Pu2Ja muscerda, Bens., at 

 Batticaloa, which is some distance fi'om the original habitat. 



Recently Herr Kobelt and Dr. Mollendorff have given ^ a list of the 

 genus Cyatliopoma ; but so far as regards the Ceylon forms it is very 

 imperfect. They have omitted C. Marioi^ Jouss., altogether; they 

 have included C. Bicho^jense, Nevill, which is only a manuscript name, 

 and misspell it ; moreover, they have recorded C. atrosetosum, Bedd., as 

 coming from Ceylon, whereas it is a southern Indian species. In the 

 same paper they have placed ^ the Ceylon forms frequently called 

 Leptopoma, such as L. conulum^ Pfr., L. orophilum^ Bens., etc., in 

 a genus ^^ Leptopomatoides, Nevill, 1878." On referring to Nevill's 

 work,^ we find that the word Leptopomoides — in which they have 

 inserted a syllable — does occur, but in the following sentence : " sub- 

 genus doubtful {Leptopomoides) y By this I^evill simply meant, as 

 will, I think, be obvious on an inspection, that they were of unknown 

 subgenus, and near Leptopoma, and further, he did not have the word 

 printed in the same type as the genera and subgenera of his list. 



CATATJLUS. 



The genus Cataulus was founded by Pfeiffer in 1851* upon the 

 three following species : Turho tortuosus, Chemn., Cataulus Templemani, 

 Pfr., and C. Layardi, Gray ; the first-mentioned, therefore, may stand 

 as the type. I have endeavoured, by an examination of the series in 

 the British Museum, the specimens preserved at Cambridge from 

 Benson's collection, and specimens collected by Messrs. Collett and 

 Preston, to arrive at an idea of the true specific limits of the species 

 described from Ceylon. I have also to thank Col. Beddome and 

 Mr, E. L. Layard, the former for permitting me to look over his 

 specimens, the latter for the loan of several species. The following 

 list, in which I have given references to the original description and 

 to a figure, is the result of these investigations. 



1. C. AtTEETis, Pfr.: Proc. Zool. Soc, 1855, p. 188; Hanley and 

 Theobald, Conch, Inch, pi. cxlvi, fig. 1, non pi. cvi, fig. 9. 



C. leucocheilus, Ad. & Eve. : Sowerby in Thes, Conch,, vol. iii, 



pi. cclxiv, fig. 14. 

 C. leucostom.a, Pow. : Nevill in Enum. Hel. et Pneum. Ceylon. 

 C. leticostoma, Ear. : Theobald in Cat. Shells British India, p. 41. 



1 Nachrbl. Deiitsch. Malak. Ges., 1897, pp. 119, 120. 



2 T.c, p. 86. 



s Haud-List Mollusca Ind. Mus., pt. i, p. 273. 

 * Zeitschr. fiir Malak., vol. viii, p. 149. 



