Cirrhipeda, Conchifera, and Mollusca. 349 



63. BUCCINUM SQUALIDUM. 



B. tesld conico-fxisiformi, fv^cd ; anfractu basali ventricoso ; spird 

 mediocri ; apertrird fiiscdf lutescenti, patuld ; long, lyf ; lat. 1 J- ,* 

 poll. 

 Habitat? Mus. Brit., nost., Brod. 



64. BUCCINUM DEFORME. 



B. testa ovatd, subponderosd, subalbidd, fasciis duabus fiiscis obscuris; 

 spird brevi ; anfractu basali subdepresso, suturam versus crasso ; 

 columelld valde callosd ; long, l-i^^^; lat. \ panic plus; poll. 

 Habitat ad fluraen Plata, (Gorriti) Mus. Brit., nost. 



The eggs of this shell contained in a transparent orbicular nidus, the 

 size of a turtle's egg, were found thrown up on the sea-beach of the Island. 

 In the month of January they were observed in all stages of growth. A 

 series were preserved in spirits, and presented to the College of Surgeons. 



65. COLUMBELLA MITRIFORMIS. 



C. testdfusiformi, luteo-rufescente, fasciis nigro-castaneis, maculis albis 

 tessellatd; long, -f-^; lat. f'-; poll. 



Habitat? Mus. Brit., nost., Brod. 



66. MiTRA PUSILLA. 



M. testa ovato-acutd, ventricosd, fulvd, creberrime costatd; coslis 

 inter stitiisque striatis, basi granulosd ; spird brevi , anfractibus su- 

 turam supereminentibus ; columelld quinque-plicatd ; long. ^; lat. ^-^ 

 paulo plus; poll. 

 Habitat? Mus. nost. 

 The denticules of the outer lip are arranged in pairs at regular, and 



somewhat distant, intervals. 



67. VOLUTA. 



A fragment of a turbinated shell, bearing marks more assignable to 

 Voluta than to any other genus, was found on the sea beach in the neigh- 

 bourhood of Cape Fairweather on the east coast of Patagonia, in latitude 

 511° south. The remains appear to differ from Foluta Ancilla 

 and Brasiliana. 



