Mr. A. Adams on new Mollusca from China and Japan. 307 



Genus Conradia, A. Adams. 



Conradia pulchella, A. Adams. 



C. testa turbinata, rimato-umbilicata, sordide alba; anfractibus 3}, 

 convexis, supremis cancellatis, ultimo liris elevatis trausversis 

 septem instructo, superue ad suturam plicis radiantibus tenuibus 

 ornato ; basi liris conceutricis, interstitiis concinne clathratis or- 

 nata ; apertura circulari ; labro margine simplici. 



Hab. Tsu-Sima; 26 fathoms. 



This is a small but very beautiful species of a genus which 

 now numbers four species, all from the Sea of Japan. It is 

 characterized by a delicate and elaborate style of sculpture. 



Genus Vanesia, A. Adams. 



Vanesia sulcatina, A. Adams. 



V. testa subulato-conica, imperforata, tenui, sordide alba; apice eroso ; 

 anfractibus 5|, convexiusculis, transversim sulcatis, sulcis exaratis, 

 regularibus, subdistantibus ; apertura ovato-acuminata, antice ro- 

 tundata, producta, evasa ; labro margine acuto. 



Hab. Sunday Island, Coast of Manchuria ; dredged from 20 

 fathoms. 



This Melania-\ike species was obtained at the same time as 

 the typical V. trifasciata, A. Adams, and resembles the group 

 of Melaniidre separated by my brother and myself from the 

 genus Vibex under the name of Juga. I know of no other 

 genus than Vanesia to which I can refer this marine likeness of 

 Melania. 



Genus Assiminia, Gray. 



1. Assiminia lutea, A. Adams. 



A. testa conoidali ; spira conica, elata, epidermide tenui obtecta, 

 pallide lutea ; anfractibus 5^-, vix convexis, ultimo rotundato ; 

 apertura rotundato-ovata ; regione umbilicali impressa ; labio lato, 

 effuso, superne incrassato. 



Hab. Estuary of the Pei-ho. 



2. Assiminia cincta, A. Adams. 



A. testa globoso-conoidali, tenuicula, epidermide cornea obtecta, 

 pallide fulva ; spira brevi ; anfractibus 4|, convexis, ultimo fasciis 

 transversis rufo-fuscis duabus cincto ; apertura ovato-rotundata ; 

 labio lato, calloso, rufo tincto. 



Hab. Estuary of stream near Great Wall. 



Genus Stenothyra, Benson. 



1. Stenothyra glabra, A. Adams. 



S. testa oblonga, lsevi, polita, semipellucida, aurantiaca; anfracti- 



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