390 MOI.M'SKS OF THE CiALAl'A(!OS — STKAKXS. 



cliiird to lliiiik lie was liylit, /■.'. crocosloiiui, as 1 sec it, is a ycllow- 



iiioiitlu'd \ari»'ty of carhonuria. Tiic typical carlxntarin has a Itiiiisli- 

 wliilo iiioiitli. 



l<\iiiiily NASSlD.i:. 



(Jcmis NASSA l.MiiKink. 

 53. Nassa iiodiciiicta A. AdaiiiH. 

 Hcach slu>lls. 



ImU'l'ati.unhle Islam! (Miis. No. rjL'll.J); ("hathani Island (No. 

 122111; one at each phu'o. This is rather a rare tonii. Previously 

 roixtitcil iVoiii the (Jalapaji'os by Ciiiuin^. Not tiuuit'd in Tryon's 

 i\loiu>{4iai)li or I'lsowhoro, so far us 1 liave been able to learn. 



Fanuly ( 'GLUM BELLI O.K. 



(ii'inis COLUMBELLA l.;iiiiar. K 



54. Cohunbella castanea Sow. 



Beiu'li slielLs, in jjood condition. 



Hood Island, four specimens (Mus. No. 102;)71). 



55. Columbella Paytensis l-t>ss(>ii. 

 = C spiirrii Sow. 



Boaeli speeiuH'ius. 



Hood Island (IMiis. No. H)2;?7;'>); Indelat iiiable Island (Mus. No. 

 1()24(»S^. 'I'he example tVom lloitd is liardly characteristic, yet it is 

 uii'Mvv jxtjllcitsis tliau ii) (((stdiiKi. Abundant at Payta ^.loues's collee- 

 tiou). 



56. Columbella hceinastoma Sliy. 



Not unt'ouunon, beaches, 



James Island, live. Hood, couunou. Indefatigable, two si)eeimeiis, 

 one fresh (Mus. Nos. 1021(10, 102;>72). Occurs alst> on the coast of 

 Kcuiulor and in th«' (lulf of California, 



57. Columbella fnscata Shy. 



Boacli shells; man\ tVi>sh and in uood c(uuliti(>n. 



Indefatipible :ind Hood islands, common (Mus. Nos. 1024(»7, 

 1()2."»71); Chatham, one c\am]>li' (No. 12211S); i\\u\ James island, two 

 fresh specimens. Dr. Jones collected this species at P;iyta, Peru, ;uul 

 at !Mant;», Kcu;ulor. Common in the (iulf of California. 



Siil>j;('UMs NITIDELLA Swaiusoii. 



58. Nitidella incerta Stearns. 



l'lat»> i.i, lifjuiv (i. 

 ^I'lt'limiiiaiy »li sriii>t ion in " Tho XanI ilii.s," Itt'ct-nilicv. 1892.) 

 One e\;imple, beach, dead; one peifect. 



Indefatiiiable Island (Mus. No. 122012). Also (ishuid not stateil) 

 Mabel collection (Mus. No. 1220l;>). 



