Species. 



Gardiner clay on Gardi- 

 ner's island. New York i-^ 

 (Veatch). 



2 



-el 



cS ft 



^^ 



CHS 



3 



1 



m 



O i- 

 U '^ 



4 



u ft 



si 



rJjW 



a ft 



r 



5 



ft 



6 



a 

 ■^ 



^? 



£^ 

 ^ ft 



s- o 



7 



>> 



o 



n 1- 

 0) 



O 



Carr brick-yard, Danvers 



(Sears). °° 



Mnchxroiilox clnereuti Gould 

















Macoina balthica Linn 



















" " var. grdiilnndic.a Beck. . . . 



















" calcarea ( Gmel. ) 



















3TaUotns oillosus Cuvier 



















Meriestho nlbula Moll 



















Membranipora aniericana D'Orb 



' 

















Mesodesnia arctctta 



















Modiolaria discors (L. ) 

















X 



X 



" Ipsviqata Gray 

















' ' nigra 

















Modiolus viodiohis T^inn 









X 

 X 



X 

 X 









Myn arenaria ( Linn. ) 















' ' truncnta Linn 















Mijtilus edidis (Linn. ) 









X 



X 









Natica clausa Sowb 















" (Lunatiri) gronlandica Beck 



















Nucula expansa Reeve 



















" tenuis (Mtg. ) 



















Ostrea virginica Gmelin 









X 



X 









Pandora [Clidrophora goiddiana Dall. . . . . 











X 





JPanomya arctica Gould. . . 















Pecten (Cldami/s) islandicus Linn 



















" (Pseudotnuscum) gronlandicus Sowb . 



















" islandicus Miiller 



















" magellanicus (Gmelin) 



X 

















Perpusa lapillns 













.... 





Pholas crispata Linn 



















Rosinarus obesiis Illiger 



















Saxicava arctica {Des]iayes)=S. distorta and 

 S, rugosa. , 















X 



X 

 X 

 X 



Schizoporella hyalina Linn 































Serripes gronlandicus Beck 

















Spilorbis nautiloides Lanik 



















Spisula polyni/ma (Stimpson) 

















X 



** solidisinia Dillwvn 









X 



X 







Stoniatopola evpajisa. Pack 















Strongylucentratus drobacliiensis (Moll.)- .... 





































' ' conradi Couthony 



X 

















" truncata. Miwhels and Adams. . 

















Tritia trivittata Say 









X 



X 









^Pritonofdfius hroveri Bpok 

































TJtohqIdItix ciup,vpufi fShininson^ 









X 

 X 

 X 



X 

 X 

 X 









Vt7i6Tic<xvdici hoT€(ilis Conr 





X 

 X 



X 

 X 



X 

 X 







Venus meTcenai'ia L 









Yoldict glcicictlls (^Vood) , ... 





X 



X 

 X 



** ( Portlaiidica^ hioido, IjOVftn 















'* tiiutalifi Couth 

















" pygmsea Miinster . . 



















' ' sapotilla (Gould) 





































(522) 



