32(S WEST AFRICAN MOLI.USKS STKARNS. 



A siiijilo cxiiiiiplc, l)(';i('li (Mus. No. l'2r>:>'2'2). Porto (Irainlc. A 

 widely (listiibutcd fonn. 



Family (H)Nn).T:. 

 (i«-ims CONUS Liniw. 

 55. Comis giiinacus llwass. 

 Oi'o beacli slicll, iiiiix'ircct (Mus, No. V2~t~u\)). Porto (IraiKlc. 



Faiiiil.v (;AN(1FLLAK'I11).K. 



(i.iius CA.NCELLARIA K.imarck. 

 56. Cancellaiia similis SuwtMhy. 

 One s|)<'('iiM('n, lair (Mtiidil ion (Mus. N<». 1L*,">;>14). lN»r(o (xraude. 



Siineil-iiiiil V KII A.( 'IIK J I A )S!SA.. 



Family OLlVID.i:. 



(itMiiis OLIVA Hnioiii.Tr. 



57. Oliva flaniiniilata liaiiian k. 



Two hcacli slu'lls ill lair coiiditioii (Mus. No. rjr),')(ll). Torlo (irande. 



GcTiiis OLIVANCILLARIA Orl.iuiiy. 



58. Olivancillaria nana Lainiirck. 



Several specimens (Mus. No. 125343.) Porto Giaude. 



Numerous examples of this i)retty little shell, f^'euerally ornamented 

 MJth liiu'ai-, /.i,u/,ai;' markinj;s; sonu'times not slutwiug these, but unicol- 

 ored, bullOr <lark ehoeolate brown. 



(Umius AG-ARONIA (hay. 

 59. Agaronia acuminata Lainank. 

 Two beach sliell.s, Porto (Irande (Mu.s. No. lL'r)581). 



Fandly MITIMD.K. 

 (iouus MITRA Lainank. 

 60. Mitra fusca Swain.s. 



Several examples, Tlorta, Fayal (Mus. No. 125270), 

 Many <>ood fresh speeinieus were obtained her*'. In Tryon's Moiio- 

 grajih «)f the Mitriila; he says: '> .1/. <t<l((Uf<oiiii IMiil., tlescribed from 

 llaboon, in (luinea. West Africa, api)ears to auree fairly with this 

 species." 



61. Mitra baibadensis (iiiiel. 



