bulletin of the bureau of fisheries. 
698 
Spisula solidissima — Continued. 
and few shells), 7772 (many shells), 7774 (few 
large and medium shells), 7775 (few shells), 
7776 (many large and medium shells), 7777 
(many shells), 7778 (many shells), 7779 (many 
shells), 7780 (1 living and many shells), 7781 
(many shells), 7782 (many large and small 
shells), 7783 (many large and small shells). 
Phalarope and Blue Wing stations: 1 (several 
shells), 2 (many shells), 3 (many shells), 4 
(several shells), 6 (few shells), 7(1 shell), 9 (1), 
10 (1 shell), 13, 15 (few shells), 25 (2 shells), 28 
(1), 32 (1 shell), 33 (2 small), 34 (few), 37 (1 
shell), 38 ( 1 living), 39 (few dead), 41 (few 
shells), 42 (few shells), 51 (several living), 52 
(many shells), 55 (few shells), 57 (1), 60 (few 
small shells), 61 (several shells), 62 (several 
shells), 65 (1 shell), 66 (many small shells), 67 
(few shells), 68 (several shells), 69 (1 shell), 71 
few shells), 72 (few shells), 76 (few shells), 81, 
82 (shells), 89, 90, 91, 93 (1 shell), 95, 99 
(shells), 100 (shells), 101, 102, 103, 105 (living), 
106, 107 (few shells), 109, no, m (shells), 113, 
115(1 shell), 1 18 (several shells), 120 (living 
and shells), 122 (1 shell), 123 (shells), 135 (1 
shell), 137 (1 shell), 142 (1), 167 (shells abun- 
dant). 
Mulinia lateralis (Say). [Chart 154.] 
Gould, 1870, p. 77 ( Mactra lateralis ); Verrill and 
Smith, 1873, p. 680, 373, etc. ; Dali, 1889, p. 62 
{Mactra lateralis). 
Living animals abundant throughout Buzzards 
Bay, in 4 to 9 fathoms, nearly always in mud 
or mixtures of mud and sand ; shells occasion- 
ally taken at the western end of Vineyard 
Sound. — Survey. Mr. Edwards found this 
species living in great abundance at Tisbury 
Great Pond. 
Fish Hawk stations: 7597 (shells), 7611 (many 
living and shells), 7612 (many living and 
shells), 7613 (many living and shells), 7614 
(several living and shells), 7617 (several shells 
and living), 7618 (several shells and living), 
7619 (several living and shells), 7620 (few liv- 
ing), 7621 (few living), 7622 (few living and 
shells), 7623 (living), 7624 (few shells), 7629 
(few shells), 7630 (many small shells), 7631 
(many shells), 7632 (few shells), 7636 (few 
shells), 7637 (many living and shells), 7638 
(several shells), 7640 (several shells), 7641 
(very many living and shells), 7642 (many liv- 
ing and shells), 7644 (several living and shells), 
7645 (few shells), 7646 (few shells), 7647 (few 
shells), 7649 (shells common), 7650 (numer- 
ous shells), 7651 (few shells), 7652 (few shells), 
7653 (few shells), 7654 (many shells), 7655 
Mulinia lateralis — Continued. 
(few shells), 7657 (many living and shells), 7658 
(living and shells), 7659 (numerous shells), 
7660 (many shells), 7661 (many shells), 7662 
(few shells), 7663, 7668 (several shells), 7669 
(many shells), 7673 (few shells), 7674 (few 
shells), 7675 (few shells), 7680 (1 shell), 7681 
( 1 small shell), 7696 (few shells), 7697 (1 shell)*, 
7700 (shells), 7701 (2 shells), 7703 (1 shell), 
7704 (2 shells), 7706 (1 shell), 7726. 
Phalarope stations: 43 (shells), 52 (few shells), 
80 (few shells), 81 (few), 89, 90, 91, 92, 93 (sev- 
eral living), 94, 95, 96, 98, 106, 107 (many liv- 
ing and shells), 108, 109, no, 115 (several 
shells), 124 (1 living and shells), 136, 141 (1 
shell), 143 (shells common), 154 (2 shells), 159 
(few living and many shells), 160 (many 
shells), 161 (many shells), 162 (few), 163 
(several shells), 164 (few shells), 165 (many 
shells), 166 (several shells). 
Verrill states that this species constitutes an 
important item of the food of the scup and 
some other fishes. 
Family Mesodesmatidas. 
Mesodesma ar datum Conrad. 
Gould, 1870, p. 80 ( Ceronia arctata)] Verrill and 
Smith, 1873, p. 679, 426, etc. {Ceronia arctata). 
Nantucket, rare. — Gould. 
Family Thraciid/E. 
Thracia conradi Couthouy. [Chart 155.] 
Gould, 1870, p. 69; Verrill and Smith, 1873, p. 
673, 426, etc.; Dali, 1889^.64. 
Buzzards Bay. — Gould. Vineyard Sound.— 
Verrill. Shells dredged at the western end of 
Vineyard Sound and one station near the 
mouth of Buzzards Bay; 6 to 19 fathoms, on 
sandy bottoms; no living specimens re- 
corded. — Survey. According to Verrill, this 
mollusk buries itself 6 inches or more beneath 
the surface of the sand. 
Fish Hawk stations: 7594 (2 shells)*, 7678 (1 
broken shell), 7679(1 fragment), 7681 (2 shells), 
7682 (2 shells), 7702 (1 shell), 7706 (1 shell), 
7708 (1 shell), 7724 (several large shells). 
Phalarope station 80 (1 shell). 
Thracia septentrionalis Jeffreys. 
Gould, 1870, p. 72 {Thracia truncata); Verrill and 
Smith, 1873, p. 674, 509, etc. {Thracia trun- 
cata ; not listed specifically for this region.) 
Off Marthas Vineyard. — Agassiz, cited by Gould. 
Crab Ledge and the western end of Vineyard 
Sound; 6 to 19 fathoms. — Survey. 
Fish Hawk stations: 7604 (2 broken shells)*, 
7605 (1 living)*, 7679 (1 shell), 7706*. 
Phalarope station 65 (1 shell). 
