BIOLOGICAL SURVEY OP WOODS HOLE AND VICINITY. 
63 3 
Modiolus modiolus — Continued. 
and several shells), 7753 (1 fragment), 7754 
(1 living), 7757 (many living and shells), 7758 
(many living and shells), 7759 (many shells 
and few living), 7760 (many shells), 7763 (liv- 
ing and shells, common), 7764 (few shells), 7765 
(1 living), 7766 (several shells), 7767 (few 
shells), 7768 (few shells), 7769 (1 shell), 7770 
(many shells), 7771 (several shells), 7772 (few 
shells), 7773 (1 shell fragment), 7777 (1 living 
and several shells), 7779 (few shells), 7783 (sev- 
eral shells). 
Phalarope stations: 1 (1 small living), 3 (few liv- 
ing), 4 (2 small living), 5 (1 shell), 6 (1 frag- 
ment), 8 (1 young), 11 (1 shell), 15 (1 shell), 32 
(1 living), 34 (1 shell), 52 (few shells), 59 (few), 
63 (few), 65 (r shell, 1 living), 69 (living and 
shells), 71 (few living and shells), 77 (few 
shells), 100, 104, no, 116, 122 (fragments), 130 
(few shells), 149 (1 living), 167 (2 shells). 
Modiolus demissus (Dillwyn). Ribbed mussel, 
marsh mussel. 
Gould, 1870, p. 188 ( Modiola plicalula ); Verrill 
and Smith, 1873, p. 693, 307, etc. ( Modiola 
plicatula)', Dali, 1889, p. 38. 
Buzzards Bay, Vineyard Sound, and connecting 
ponds and estuaries; e. g., Wareham River 
and head of Woods Hole Harbor. Abundant 
in marshes and on muddy shores, in salt or 
brackish water, occurring near high-tide level. 
Shells dredged by the Survey in 3 to 7 fathoms; 
these had probably drifted into deeper water 
from the littoral zone, however. 
Fish Hawk stations: 7639 (few shells), 7643 (few 
shells), 7644 (1 shell), 7645 (few shells). 
Phalarope stations: 156 (1 shell), 161 (1 shell). 
Modiolaria nigra Loven. [Chart 129.] 
Gould, 1870, p. 190 (not listed for this region); 
Verrill and Smith, 1873, p. 694, 418, etc.; 
Dali, 1889, p. 40. 
Deeper parts of Vineyard Sound and off Gay 
Head. — Verrill. Lower ends of Vineyard 
Sound and Buzzards Bay, 3 to 19 fathoms; liv- 
ing specimens dredged in 7 to 17 fathoms, 
nearly always on sandy bottoms. — Survey. 
This species was never taken in large num- 
bers. 
Fish Hawk stations: 7580 (1 living)*, 7391 (3 
shells), 7597 (1 shell), 7598 (few living), 7599 
(1 shell), 7653 (1 living), 7657 (1 shell), 7660 (2 
shells), 7666 (1 living), 7672 (2 shells), 7674 (1 
shell), 7679 (1 shell), 7680 (1 shell), 7681 (1 
shell), 7682 (1 shell), 7686 (1 small living), 7699 
(1 shell and 1 living), 7700 (1 shell), 7701 (1 
Modiolaria nigra — Continued , 
shell), 7702 (several shells), 7703 (1 shell), 7706 
(several shells), 7709 (1 shell), 7717 (1 fragment 
and 1 very small living), 7722 (1 fragment), 
7728 (1 shell), 7730 (few very small living), 
7761 (1 fragment). 
Phalarope stations: 15 (1 shell), 52 (few shells), 
S3 (1 shell), 68 (1 fragment), 81 (1), 116. 
Modiolaria corrugata Morch. 
Gould, 1870, p. 193 (not listed for this region), 
Verrill and Smith, 1873, P- 694, Dali, 1889, 
p. 40. 
“ Off Marthas Vineyard and Buzzards Bay, 20 to 
25 fathoms, rare.” — Verrill. 
Modiolaria Lzvigata (Gray). 
Gould, 1870, p. 193 {Modiolaria discors; not listed 
for this region); Verrill and Smith, 1873, p. 694 
{Modiolaria discors; no definite local records). 
Crab Ledge, one record at lower end of Vineyard 
Sound, 14 to 25 fathoms. — Survey. 
Fish Hawk stations: 7378 (2 small living)*, 7603 
(1 living), 7606 (2), 7607 (1 living), 7608 (1 liv- 
ing), 7609 (2 living). 
Crenella glandula Totten. [Chart 130.] 
Gould, 1870, p. 194 (not listed for this region); 
Verrill and Smith, 1873, p. 693, 418, etc. ; Dali, 
1889, p. 40. 
Buzzards Bay, Vineyard Sound, off Gay Head. — 
Verrill. Western half of Vineyard Sound; two 
records in Buzzards Bay, near Quicks Hole; 
one at Crab Ledge; dredged chiefly in waters 
of 10 fathoms or more; living specimens rarely 
taken . — Survey . 
Fish Hawk stations: 7568 (1 living)*, 7583 (1 
shell), 7585 (1 shell), 7605 (1 living), 7679 (2 
shells), 7682 (1 shell), 7683 (r small shell), 7696 
(1 shell), 7697 (1 shell), 7698 (1 shell), 7700 (x 
shell), 7702 (3 shells), 7708 (3 shells), 7709 (2 
shells), 7717 (1 shell), 7719 (1 shell), 7741 (1 
shell). 
Phalarope stations: 52, 38 (1 shell), 59 (1 living), 
65 (1 shell), 81 (living), 83 (2 shells). 
Family Akcid.-E. 
Area ponderosa (Say). [Chart 131.] 
Verrill and Smith, 1873, p. 692; Verrill. 18S2.., 
p. 573; Dali, 1889, p. 40. 
Shells recorded from beach at Edgartown, Mar- 
thas Vineyard.— Verrill. Shells dredged not 
infrequently in Vineyard Sound, at depths of 
4 to 16 fathoms; 3 doubtful records for Buz- 
zards Bay; no living specimens taken. — 
Survey. 
