——— 
2 ———— 
Cirrhipeda, Conchifera, and Mollusca. 349 
63. BuccinuM s@uALIDUM. 
B. testa conico-fusiformi, fused ; anfractu basali ventricoso ; spird 
mediocri ; apertura fuscd, lutescenti, patuld ; long. 142 ; lat. 11; 
poll. 
Habitat? Mus. Brit., nost., Brod. 
64. BuccinuM DEFORME. 
B. testé ovata, subponderosd, subalbidd, fasciis duabus fuscis obscuris; 
spird brevi; anfractu basali subdepresso, suturam versus crasso ; 
columelld valde callosd ; long. 1,9; lat. 1 paulo plus ; poll. 
Habitat ad flumen Plata, (Gorriti) Mus. Brit., nost. 
The eggs of this shell contained ina 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. testd fusiformi, luteo-rufescente, fasciis nigro-castaneis, maculis albis 
tessellatd ; long. 7;; lat. 3-; poll. 
Habitat? Mus. Brit., nost., Brod. 
66. Mitra pusILLa. 
M. testé ovato-acutd, ventricosd, fulvd, creberrime costatd 3 costis 
interstitiisque striatis, basi granulosd ; spird brevi; anfractibus su- 
turam supereminentibus; columella quinque-plicatd ; long. %; lat. ve 
paulo plus; poll. 
Habitat? Mus. nost. 
The denticules of the outer lip are arranged in pairs at regular, and 
somewhat distant, intervals. 
67. Vowura, 
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 
514° south, The remains appear to differ from Voluta Ancilla 
and Brasiliana. 
