105 



Chiton Pusio. Chit. testd ovali, Icevigatd, olivaced, punctulis vi- 

 ridibus numerosis ornatd ; valvarum marginihus anticis lateri- 

 busque rugulosis • long. iV. lat. -rV polL 

 Hab. ad Valparaisam . 



Found on Amphidesma solidum in from thirty to fifty fathoms 

 water, with a sandy floor. — G. B. S. 



Genus Marginella. 



Marginella curta. Marg. testd ovatd, cinerascente-fulvd ; spird 

 brevi ; labii exterm reflexi margine externd castaned, facie albd ; 

 labii interni expansi et incrassati margine castaned ; columelld 

 guadriplicatd, plicis cegualibus : long. -fiy, lat. -^ poli. 

 Hab. ad Iquiqui et ad Paytam. 



The body-vvhorl, in fully grown specimens, is rather angular at 

 the upper part, and it is wholly covered with white specks. It 

 wa8 dredged in fine black sand. — G. B. S. 



Genus Bulinus. 

 * Labio externo tenui, acuto. 

 BcLiNus Vexillum. Bvl. testd pyramidali, albente, vittis casta- 

 neis fasciatd ; anfractibus 6 levissime longitudinaliter striatis ; 

 umbilico subobsoleto : long. i-J-, lat. xt poli. 

 Hab. in Sinu Panamas. (King's and Saboga Islands.) 

 Found on the trunks of large trees. — W. J. B, 



BuLiNUs PTJSTTJLOSus. Bul. testd fusiformi , efusco albente, subdia- 

 phand ; anfractibus 6, striis moniliformibus frequentibus longi- 

 tudinalibus ; umbilico mediocri : long. -rV, lat. tV Ųnrca) poli, 



Hab. in Chili. (Huasco.) 



Found under stones on elevated ground. — W. J. B. 



BuLiNus PupiFORMis. Bul. testd griseo-albd, pupiformi, longitu- 

 dinaliter levissime striatd ; apice nigro-fuscescente ; labro subre- 

 flexo : long. -g-, lat. \ poli. 



Hab. in Chili. (Huasco.) 



Found under stones and in shady places. — W. J. B. 



BuLiNTJS Panamensis. Bul. testd ovato-fusiformi, subglabrd, dia- 

 phand, pallide fulvd; anfractibus 6 suhventricosis, labro vix 

 subreflexo : long. 1, lat. -^ poli. 



Hab. in Sinu Panamse. (King's and Saboga Islands.) 



Found on the trunks of large trees. — W. J. B. 



BuLiNus ALBICAN3. Bul. testd ovoto-ventricosd, subpellucidd, fus- 

 cd lineolis strigisąue longitudinalibus albis varid ; anfractibus 6 

 longitudinaliter striato-rugosis ; columelld et fauce rubro-casta- 

 neis ; umbilico mediocri : long. -iV> lūt. -rV poll- 

 Hab. ad Copiapo, Chili. 



This species, which resembles Bul. guttatus in its white mark- 

 ings, but diflEėrs from that shell in shape and other characters, was 

 found by Mr. Cuming at Copiapo, in the dry sand on the elevated 

 ground, near the port, The upper part of the inner lip is soma- 



