BIOLOGICAL SURVEY OF WOODS HOLE AND VICINITY. 



717 



Odostomia trifida Continued. 



shelly bottoms. Verrill. "Woods Hole," New 

 Bedford, Weepecket Island. Bartsch. One 

 small shell, thus identified with doubt by Dr. 

 Bartsch, was taken at Fish Hawk station 7679. 



Odostomia bisuturalis (Say). 



Gould, 1870, p. 327 (not listed for this region); 

 Verrill and Smith , 1873, p. 656, 307, etc.; Dall, 

 1889, p. 130; Bartsch, 1909, p. 106. 



Vineyard Sound and Buzzards Bay, not uncom- 

 mon. Verrill. Specimens from many local 

 points catalogued by Bartsch. 



Odostomia modesta (Stimpson). 

 Bartsch, 1909, p. 108. 

 Woods Hole [region], two records by Bartsch. 



? Odostomia dealbata Stimpson. 

 Gould, 1870, p. 327; Verrill and Smith, 1873, p. 



656. 

 No definite local records, though this region lies 



within the stated range of the species. 



Couthoityella striatula (Couthouy). 

 Bartsch, 1909. p. no. 

 Buzzards Bay. 



Family TRIFORID^. 



Triforis nigrocinctus Stimpson. 



Gould, 1870, p. 323; Verrill and Smith, 1873, p. 

 648, 305, etc.; Verrill, 1882 d, p. 371; 1884. 



Dartmouth Harbor. Adams, cited by Gould. 

 "Vineyard Sound and Buzzards Bay, 2 to 12 

 fathoms, not uncommon;" also mentioned as 

 occurring on weeds between tides, as well as in 

 other habitats. Verrill. Apparently scarce 

 except as a littoral and shallow water form. 

 Recorded but once by the survey (Fish Hawk 

 station 7701*). 



Family CERITHIOPSID^. 



Seila terebmlis (Adams). [Chart 175.] 



Adams, 1840, p. 320 (Cerithium tercbrale); Gould, 

 1870, p. 389 {Cerithiopsis terebralis); Verrill and 

 Smith, 1873, p. 648, 417, etc. (Cerithiopsis tere- 

 bralis), Dall, 1889, p. 138. 



New Bedford. Adams. Vineyard Sound and 

 Buzzards Bay. Verrill. Eastern half of Vine- 

 yard Sound; inshore stations and upper end of 

 Buzzards Bay, scarce; dredged in 2 to 13 fath- 

 oms, on very various bottoms. Survey. 



Fish Hawk stations: 7549 bis (i small fragment), 

 7552 bis*, 7628 (i), 7631 (i shell), 7633 (i shell), 

 7634(1), 7635(1 shell), 7671, 7757(1 shell), 7778 

 (i shell), 7780(1 shell). 



Seila terebralis Continued. 



Phalarope stations: 8 (i), no (i shell), 121 (2 

 living), 126 (i shell), 132 (i shell), 133 (i shell), 

 144 (i), 145 (several living and shells), 147 (i), 

 148 (living and shells common), 150 (i), 155 

 (2 shells), 157 (i), 164 (i shell)* 167 (several 

 shells)*. 



Cerithiopsis greenii (Adams). 



Adams, 1839, p. 286 (Cerithium greenii); Gould 

 1870, p. 322 (Bittium greenii); Verrill and 

 Smith, 1873, p. 647, 383, etc.; Dall, 1889, p. 



138- 



Dartmouth Harbor. Adams. ' ' Vineyard Sound 

 and Buzzards Bay, 3 to 10 fathoms. "-Verrill. 



Cerithiopsis emersonii Adams. [Chart 176.] 



Gould, 1870, p. 387; Verrill and Smith, 1873, p. 

 648, 417, etc. 



Nantucket and New Bedford. Adams, cited by 

 Gould. Vineyard Sound and Buzzards Bay. 

 Verrill. Vineyard Sound,' chiefly in the east- 

 ern half; in Buzzards Bay, fairly common, but 

 for the most part restricted to inshore stations; 

 dredged in 2 to 13 fathoms, on every sort of bot- 

 tom, but never taken in large numbers. 

 Survey. 



Fish Hawk stations: 7522 (i)*, 7538 bis (i shell), 

 7543 (i shell), 7554 bis (i shell), 7572 (i shell), 

 7629 (i shell), 7632 (i shell), 7634 (2), 7635 (2 

 shells), 7659 (i shell), 7674 (i fragment), 7753 

 (i shell), 7767 (i shell fragment), 7770, 7777 (i 

 shell), 7782 (i shell), 



Phalarope stations: 2 (i), 6 (i shell), 52 (i shell), 

 71 (i shell), 80, 81 (i) 82 (i shell), 84 (2), 85 (i 

 shell), 91, 96, 97, 108, no, 120 (shells), 123 (i 

 shell), 145 (living and shells), 147 (few), 148 

 (i shell), 149 (i living), 150 (i shell), 152 (i 

 shell), 158 (4 shells), 159 (i shell), 16- (2 frag- 

 ments), 167 (i). 



Family CERITHIID^. 



Bittium alternatum (Say). [Chart 177.] 



Gould, 1870, p. 321 (Bittium nigrum); Verrill and 

 Smith, 1873, p. 648, 305, etc. (Bittium nigrum); 

 Dall, 1889, p. 140. 



Nantucket. Gould. Vineyard Sound and Buz- 

 zards Bay. Verrill. More frequent in the 

 Bay than in the Sound, and in both cases 

 mainly restricted to inshore stations; seldom 

 dredged at depths greater than 5 fathoms. 

 Survey. Recorded as abundant at nearly all 

 points where shore collecting was carried on. 

 Fish Hawk stations: 7552 bis*, 7724*, 7762 (i 

 shell), 7778 (2 shells), 7781 (i shell). 



