390 Reportontlu Mollusca of Long Island. N. P., 



Range— Greenporl to Anticosti Id. 



. r >7. Oochlodesma Leanum, Mighftls. Rare. Dredged in three 

 fathoms Band in baj s. 



Rangi — N. Carolina to <;. of St. Lawrence. 



■ 



58. Tliracia Conradi, Couth. One valve supposed to belong to 

 this Bpeciea N\as dredged in ten fathoms ai Greenport. 



Range — Greenport? Rhode [sland to the G. of St. Lawrenoe. 

 TJiracia truncata, Mighels. Off the coasl in thirty-eight 

 fathoms. (U. S. ('oast Survey,,/? de Stimpson.) 



Rang< — Long Island to Greenland. 



60. Tjyonsia hyalina, Conrad. Nbi uncommon in bays; dredged 

 at < rreenpoi I in six fathoms. 



Range— Tampa B. to Eastport. 



61. Pandora trUineata, Say. Rather fare in bays; dredged in 

 from tw<. to six fathoms; common in more exposed situations, such 

 as the northern shore of Montaui I't., bul ool on ocean beaches. 



Ranee — Florida to G. of St. Lawrence. 



.- 



Corbulidse. 



62. Corbula contractu, Say. Greenport. Though not uncommon, 

 ;ni<l though the calves are often found united, we have never obtained 

 this species alive. We have aoi mel with any evidence that this spe- 

 cies i- fou ml. in the living state aorth of Cape I [atteras. 



Ranee — S. ' larolina to ( '. ( !od. 



VI va<hr. 



o.;. Mi/, i arenaria, I. inn. Comm iverywhere. 



Range — S. Carolina to Greenland^ <>chotsk. Nova Zembla to 

 I'.i ii Mi • IhanneL 



CraslrochaenidaBt 



64. Petricola pholadiformis, Lam. Rare. 

 Rang < '•■ of Mexico to G. of St. Law renoe. 

 Pelricola dacti/lu8, SaVi Rather fare. 

 ( leorgia to ( '. I 'oil. 

 66. s '. D< li. Greenport, Montauk, and Little Gull 



I land. 



