18 



CATALOG of RECENT MOLLUSCA 



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4-1 



PLATE 8 



1. Oi tlmim littfr.itiim, l:.rn. l.i-MiTcil limn 

 Shi-ll. Sin, (I, I |.,M.|:I \ iiuill. fni. lilurk iiinl 

 w lull- hi-ll. (juil. |tbl ' tcl mil. 



:t fnr 'j:..- 



i . i it IIIIIITI .ili.iliuu. l!..rn Niliilnti>i| Hi. in 



M. Crrithium muncnrium. Say. l)iittr<l Horn 

 Shrll. \Vi- I I',,!,-.! ..f Mm iiln. 'I'hi- litlU- fellow 

 try ruiniiiiiii Mini nfii'ii cuvi'K-il with spiny 

 I iilnTflf, anil run iilt-i nlili' i-nlor. ' for -"' 



I. Crrithium f loridanum, Murrh. l-'loriiln Horn 



Sht-ll. Klnriilii K -. - \ I..I.M ' I,.-, I . ..ni|.|.-i .-l\ Sh.-ll. Kluriiln. A vi-ry i I -i-.-'il. typinil MM-- 



2 f. in- . i-nniiiiiin in I h<' r'luriil.-i ('.. -'I f"r -' 



