AMPULLARIA. 



Species 26. (Mus. Cuming.) 



A.MPULL.\RIA LuzoNlCA. Amp. testd globosa, liimidius- 

 culd, tenui, anfractibns superne plano-mpressis, deinde 

 rotimdatis, lavibus, longitudinaliter obsolete mlcatk ; 

 umbilico parvo ; aperturd ovatd, subampld ; fidves- 

 cenfe-olivaced, obscure famatd. 



The Luzon Ampullaria. Shell globose, rather swol- 

 len, thin, whorls flatly impressed round the upper 

 part, then rounded, smooth, longitudinally obsoletely 

 grooved ; umbilicus small ; aperture ovate, rather 

 large ; fulvous-olive, obscurely banded. 



Hub. Calanang, Island of Luzon, Philippines ; Cuming. 

 A light globosely turbinated shell, rather impressed 



next the suture, obscurely longitudinally grooved on the 



penultimate whorl. 



Species 27. (Mus. Cuming.) 



.Vmpullaria Layakdi. Amp. tesld subcompresse globosd, 

 anfractibm superne angtiste plano-impressis, deinde ro- 

 tiindaiis, lavibus, niteiitibus ; umbilico parvo, con- 

 tracto ; aperturd ovatd; albidd, epidermide corned 

 olivaced indutd. 



Lavard's Ampullaria. Shell rather compressly glo- 

 bose, whorls narrowly flatly impressed round the 

 upper part, then rounded, smooth, shining ; umbili- 

 cus small, contracted; aperture ovate; whitish, co- 

 vered with an olive horny epidermis. 



Httb. Colombo, Ceylon ; Layard, Templeman. 



Of a more compressly globose form than the preceding 



species, with a conspicuous horny epidermis. 



Species 28. (Mus. Cuming.) 

 A.\iPULLARiA Yatesii. Amp. testa globosa, spird brevi, 

 parum exsertd, anfractibus superne subimpressis, deinde 

 plano-convexis, longitudinaliter irregulariter striatis ; 

 umbilico subangusto, profunda ; aperturd pyriformi- 

 ovttta, perompU, labro reflexo ; fulvo-ca.itanen, lineis 



nigris incp.quidistantibus cingulatd, labro intus rufo- 

 aurantio tincto. 



Yates's Ampullaria. Shell globose, spire short, but 

 little exserted, whorls rather impressed round the 

 upper part, then flatly convex, longitudinally irregu- 

 larly striated ; umbilicus rather narrow, deep ; aper- 

 ture pyriformly ovate, vei-y large, lip reflected ; ful- 

 vous-chestnut, encircled at unequal distances with 

 black lines, lip tinged within with reddish-orange. 



Hab. Kiver Maraiion ; Yates. 



This interesting species is of a peculiar fulvous-chestnut 

 colour, encircled at unequal distances with black lines. 

 The aperture is unusually large, tinged next the lip with 

 a warm reddish-orange. 



Fig. 29. (Mus. Cuming.) 



The specimen here figured is the Ceylon form of A. 

 Luzonica, represented above it at Fig. 26, from the 

 Philippine Islands. It is rather more flatly impressed 

 round the upper part of the whorls. 



Species SO. (Mus. Cuming.) 



Ampullaria porphyrostoma. Amp. testa oblongo- 

 globosd, spird subprominuld, anfractibus superne decli- 

 vibus, deinde convexis, lavibus, nitentibus ; mniilico 

 subangusto, prof undo ; aperturd ovatd, subeffusd ; ci- 

 nereo-olivaced, obscure muUifasciatd, aperturd nigri- 

 cante. 



The purple-mouth Ampullaria. Shell oblong-glo- 

 bose, spire rather prominent, whorls slanting round 

 the upper part, then convex, smooth, shining ; um- 

 bilicus rather narrow, deep ; aperture ovate, rather 

 effused ; ash-olive, faintly many-banded, aperture 

 rather blackish. 



Hab. ? 



Of a rather oblong turbinated form, and shining ash- 

 olive hvie, the whorls being gently slanted next the suture. 



.\ugus 



