74 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



Table II. B.—List of Felecypoda — Continued. 



Ser. 



No. 



480 



T 



481 



T 



482 



T. 



483 



T 



484 



T 



485 



Xamo and aarthority for species. 



Family TEREDID^. 

 Genus TEREDO Linue. 



norvegica Spengler 



navalis Linn6 



megotara Hanley , 



Thomsoni Tryon 



dilatata Stiinpson 



Subgenus Lyrodes Gould. 



chlorotica Gould... 



Genus XYLOTRYA Leach. 



486 I X. fimbriata Jeffreys.. 



487 j X. bipinuata Jeffreys. 



PI. 



68 



59 



FifTS. 



6 



2 



3 



127 



4 



1 



Alt. 

 or 



LOD. 



Kange 



in 

 deptb. 



Nortliern 

 extreme range. 



New York... 



Arctic Sea... 



Arctic Sea. .. 



Cape Cod ... 

 Cape Ann . . . 



Mass. Bay ... 



Ehodelsland 

 N. Atlantic. 



