18G7.J MK. A. ADAMS ON NEW JAPAN SHELLS. Mi) 



luteo-fulvu cornea politissitna induta, extra murgineni postice 

 late expnnsa, striyls incrementi subplicutu ; spira minutissima, 

 plana, sutura distinct a, vert ice later ali, ad \ diametri maxhni 

 posito ; anfr.'d, rapide accrescentihas, idtimo viaximo, horizon- 

 taliter co?n2)resso, peripheria rotumlato ; apevtura suhhorizon- 

 tali, ovato-lxnari, spira intus conspicua. 



Diam. maj. 15, miu. 10 mill., epidennide exclusa. 



Hab. Fiji Islands {Coll. H. Adams). 



BuLiMus (Mesembrinus) gealei, H. Ad. (PI. XIX. fig. 21.) 



B. testa subperforata, oblongo-ovata, tenui, oblique striata, striis 

 spiralibus ruyosis decussata, nitida, straminea, fasciis fiiscis 

 interruptis pleruimiue ornata ; spira conica, acutiuscula, sutura 

 submaryinuta ; anfr. 6,planiusculis, ultimo spiram subcefpianfe, 

 basi rotundato ; apertura parum oblicpia, ovaU-oblonya ; perist. 

 simjilici, recto, muryine columellari superne appresso-rejlexo, 

 perforationem fere claudente, basal i arcuato. 



Long. 29, diam. 14 mill. 



Hab. Mexico. Collected by Mr. Boucard. 



9. Descriptions of New Species of Shells from Japau. 

 By Arthur Adams, F.L.S. &c. 



(Plate XIX.) 



1. Agadina gouldi, a. Ad. (PI. XIX. fig. 22.) 



A. testa vix umbilicata, helicoidea, subinjiata, tenui, pellucida , 



anfr. 3|, rapide accrescentibus ; apertura obliqua, cucullatu. 

 Diam. 1^ mill. 



Hab. Kino-Osima, in shell-sand. 



This sj)ecies is much smaller than A. cucullata of Gould, which 

 he states is a quarter of an inch in diameter. 



2. Agadina stimpsont, A. Ad. (PI. XIX. fig. 23.) 



A. testa profunde umbilicata, planorboidea, depressa, tenui, albida; 



anfr. 3|, lente accrescentibus ; apertura obliqua, campanulata. 



Operculum tenuissimum, corneum, extus co7icavum, multispirale. 

 Diam. 1 mill. 



Hab. Kino-Osima, in shell-sand. 



This is much more depressed and ])lanorbular than the former, 

 and the umbilicus is deeper and more open. 



Mangelia splendida, a. Ad. (PI. XIX. fig. 24.) 



M. testa elonyato-fusiformi, solidula, subpellucida, nitida, lonyi- 

 tudinaliter plicata plicis obtusis incequalibus, spiraliter lineata 

 lineis elevatis subdistantibus, postice prominentibus et validi- 

 oribus munita ; albida, maculis fasciisque interruptis ferruyi- 

 neis ornata; spira turrita, apice submumillato, sutura im- 



