WORMS. TESTACEA. 62. Venus. 225 



Pethv, amb, tab, 1 3. fig* 17. Gualt, test, tab, 83. G. 



Chemn. conch. 6. tab, 2> l 'f^Z' 335- 



Inhabits India ; refembies V. flexuofa. 



Shell yellowish or ferruginous, the anterior Hope impreffed ob- 

 long-ovate with blue veins and lines, pofterior flope brpivn; 

 within white : margin entire, 



• 



Puerpera. Shell roundifh, with decuffate membranaceous ftrise : lips 



flexuous. 

 Gualt. test. tab. j6. G. Argennj, conch, tab, 23. F# 

 Knorr Vtrgn. 6. tab, 10. fig, I. 

 Cbemn. conch, 6. tab, 36. fig. 388, 389, 

 2i Lister conch, tab. 341. fig. 178. 



Inhabits India; refembies V, reticulata, but is more coarfe folid 



and convex: pofterior Hope flit and hardly impreffed; outlide 



marked with brown fpots lines and marks, the fore-part brown.* 



within blue. 



Ttipla. Shell nearly triangular ftnooth, fetufe before and behind* 



Lifer conch, tab. 252. Gualt, ted. tab. f$i Q^ 



Adanf.Seneg, 1. tab. loS.fzg. 4. 



Cbemn conch. 6". tab. z'i,fig, 33°-*332« 

 2, Yellowilh-brown with blueiihlips. 



Knorr. Vergn. 6. tab, 6. fig. 4. 



Inhabits Africa, 2) the Mediterranean ; about an inch long and 

 fomething broader; marked with fine tranfverfe flriae : yel- 

 lowifh-brown white or cinereous with fometimes 2 brown 

 rays. 



Plicata. Shell with tranfverfe membranaceous arched ftrise: pofterior 

 flope reddifh, heart-fhaped with oblique lips. 



Argen-Vi conch, tab. 21, k. VaL abb tab. l$.fig> 21., 



Chemn conch, 6. tab, 22, fg, 2g$~~2C)j, 



Inhabits the Indian Seas; very rare: pale Hem-colour . with a 

 white knob, the anterior flope red glabrous deep with an ob- 

 long gape, 



Rufofa. "Shell gibbous with tranfverfe membranaceous arched ftrias: 

 pofterior ilope heart-fhaped: margin crenulate. 



Chemn. conch. 6. tab. 29. fg. 303. 



Inhabits India, above 2 inches long and as mucn broad. 



Shell thick, whitifh afh with oblong chefnut fpots j anterior flope 

 oblong iubimprefled, in the left valve glabrous and varied 

 with white and brown, with an oblong gape, 



Califg. Shell with tranfverfe arched ftrise membranaceous towards 

 the margin: anterior flope fhort, pofterior impreflioa 



inconfptCLJOiis. 



VOL. IV*— Ff Sdmi 



