161 



Gymnoglossa. 

 Family PyramideUidce. 

 TuRBONiLLA NivEA, Stimpson. 



Ghemnitzia nivea, Stimpson (1851). 

 Turbonilla nivea, Stimpson (1862). 



Off Grand Manan Island, on a muddy and gravelly bottom, in 40 fathoms 

 (Stimpson). 



Turbonilla interrupta, var. fulvocincta. 



Turritella ihterrupta, Totten (1835). 



Melanin rufa, Philippi (1836) ; fide Dall. 



Turhonilla intirrupta, Stimpson (1862). 



Odostomia rufa (Philippi) var. fulvocincta, Jeflfrejs (1884). 



Turbonilla rufa, var. fulvocincta, Dall (1889). 



Shediac Bay, N.B., in 2 to 10 fathoms, frequent, alive, 1873 (Whiteaves). 

 More or less common on the oyster beds at Cocagne, N.B., and at Summer- 

 side, P.E.I.; (Rev. H. W. Winkley, 1887). 



" This species is, as claimed by Jeffreys, identical with Philippi's ru/a. 

 " The specimens pass through the same series of varieties." The form 

 reported under this name from Shediac by Whiteaves is remarkably distinct, 

 taken by itself, but I suspect a connecting series could be obtained " (Dall, 

 1889).' 



* 



Odostomia trifida (Totten). 



Actceon trifidus, Totten (1834). 



Odostomia trifida, Gould (1841) ; et auct. Am. 



Pointe du Chene, Shediac Bay, at low-water, one specimen, collected by 

 the writer in 1873 ; abundant at Cocagne and Bedeque (Rev. H. W, "Winkley, 

 1887). 



Odostomia seminuda (Adams). 



Jaminia seminuda, C. B. Adams (1839). 

 Odostomia seminuda, Gould (1841) ; et auct. 

 Chemnitzia seminuda, Stimpson (1851). 

 Turhonilla seminuda, H. and A. Adams (1858). 



Abundant on the oyster beds at Summerside, P.E.I (Rev. H. W. "Winkley, 



1887). 



* Bulletin of the Museum of Comparative Zoology, vol. xvin. p. 336. 

 11 



