.".7 v Report on i/u Molhisca of Long Island, JV. .}'., 



ongb comparison as to what Mollusca fonnd in the vicinity are 

 missing on Long Island, and vice versd : owine to tlie paucity 

 of material, we have been able to '1" so but very imperfectly. 

 All we have is a Catalogue of the Mollusca of Connecticut by 

 Liusley,* a Catalogue of the Mollnsca of Staten Island by 

 Hubbard and Smith,f and some collections made by ourselves. 

 though not placed on record, in Westchester County, N. Y. 

 We obtained the following results : — - 



MOLLTJSCA FOUND IN CONNECTICUT $ NOT FOUND ON LONG [BLAND. 



/'■>■/> a brunneus, St. (fuscus, Jf> n<stho albula, Moll. [Pyra- 



Linsl.§) mis striatvla.) 



Nucula tenuis, Turt. Naticajlava, Gld. 



Modiola nexa, Gld. Fasciolcvria ligata, ME. it C. B- 



Uflio (i species). A 'I. 



Alaemodonta (3 species). Wusus Tslandicus, Icomeus.) 



Anodonta (7 species). Buccinum zonale, Linsl. 



Sphcericiu shuili', Say. (Cychis Columbia rosacea, St. (7>Ve,-. 



si mil "is.) rOStiri n m. ) 



S. rhomboi(/<'>i/ii, Say. (('. r/<- Jfaiiyelia ]iiirj>ii ! <irin, St.? 



'/"//x, rhomboidea.) {Fusus harpularius f Couth.) 



8. truncatum, Linsl. (C.lrun- Ma/u/r/itt hirnriinfftr } Ht. (Phnr. 



cata.) bicarinata.) 



PisidiurnVtrginioum, Bgt. ( ( '. Bulla Iriticea, Couth. 



dubia.) /!. debilis, < H 



in. 



Z/ucina JUosa, St. (rackda.) Ancylus rivularis, Say. 



.1 'w,-/, ,/n,i./,-ii,,s y Gld. Ancylus tardus, Say. 



Aphroditt Oroenlandica, St. ZAmnea caperata, Say. 



( ( ' 'iii-'/ium Grcenlandicum.) Tj. decollata, Mie.li. e1 Ad. 



* Ann r .1. Sci.. xlviii.. 1846. 



' Ann. I.ve \ || . \. V.. viii. 151, 1865. 



| \\ ■ have i •> ■ 'i < .1 .1 1 ■ • i to pa over a number of Bpeoiea in LuiBley's Cata- 

 ihe_\ appeared to us. as baring been insufficiently identified i ■ \ the 

 author, or as of \< irj doubtful validity; anil, moreover, several of those included 

 must be oon Ldered ss somewhat doubtful. 



. The nann •- in pan nth' I B are those tfiveii by Linsli J, 



