MOLLUSCA OF NEW YORK 95 



Yoldia sapotilla Gould 

 Leda sapotilla St. Smith & Prime, An. Lye. N. Y. 1870. 



9 : 3 8 5- (Greenport) 

 Yoldia sapotilla Gould. Verrill & Bush, Am. Jour. Sci. 1897. 



ser. 4. 3:55 

 Nucula sapotilla Gould. Carpenter, Naut. 1901. 15:92. 



(Long Island sound) 



Genus MEGAYOLDIA 

 Megayoldia thraciaeformis Storer 

 Nucula thraciaeformis Str. DeKay, Nat. Hist. N. Y. 1843. 



p.i 7 8 

 Leda thraciaeformis Str. Smith & Prime, An. Lye. N. Y. 



1870. 9:385. (Fire Island light) 

 Magayoldia thraciaeformis Str. Verrill & Bush, Am. Jour. 



Sci. 1897. ser. 4. 3:55 



Family ARCITDJ^E 



Genus ARCA Linnaeus 



Area pexata Say 



Arc a p ex a t a Say. DeKay, Nat. Hist. N. Y. 1843. p. 176 

 Ar ca p e x ata Say. Jay, Cat. 1852. p. 50 



Area pexata Say. Smith & Prime, An. Lye. N. Y. 1870. 9:385 

 Area pexata Say. Carpenter, Naut. 1901. 15:93^. (Long Island 

 sound) 



Area ponderosa Say 



Area ponderosa Say. Smith & Prime, An. Lye. N. Y. 1870. 



9:385. (Fire Island light) 

 Arc a pondero s a Say. Verrill, Ct. Acad. Arts & Sci. 1882. 5:573 



Area transversa Say 



Area t r a n s v e r s a Say. DeKay, Nat. Hist. N. Y. 1843. p. 177 

 Area tr a n s v e r s a Say. Jay, Cat. 1852. p. 51. 

 Area transversa Say. Smith & Prime, An. Lye. N. Y. 



1870. 9:384 



Family MYTILIIDAE 



Genus MYTILUS Linnaeus 



Mytilus edulis Linnaeus 



M y t il u s bor e ali s Lam. DeKay, Nat. Hist. N. Y. 1843. p. 182. 



(Long Island sound) 



My til us n o t at us DeK. DeKay, Nat. Hist. N. Y. 1843. p. 182 

 Mytilus pellucidus DeK. DeKay, Nat. Hist. N. Y. 1843. P- l8 3 



