444 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY. 



Liothyrina wyvillii Davidson. 

 Terebratula wyvillii Davidson, Challenger Report, 1880, Zool., 1, p. 27, pi. 2, figs. 7-9. 



" Challenger " station 299, off Valparaiso, in 2160 fathoms, bottom temperature 

 (34° F.) l°.l C, and station 302, off the coast of Patagonia, in 1450 fathoms, 

 temperature 1°.5 C. Also at various other localities in from 1035 to 2900 

 fathoms, and from latitude 42° 43' south to 35° 22' north. 



U. S. S. " Albatross," station 4709, southwest of the Galapagos Islands, in 

 2035 fathoms, ooze, attached to manganese nodules, bottom temperature 35°. 3 F. 

 U. S. N. Mus. 110,745. 



Several specimens, mostly broken by the nodules in the trawl net, were 

 obtained. The brachia are small compared with those of the shallow-water 

 species, but a small spiral median lobe and two lateral loops were found to be 

 present. 



Tereh^atellidae. 

 TEREBRATELLA D'Orbignt. 



Terebratella dorsata Gmelin. 



Anomia dorsata Gmelin, Sj-st. Nat., 1791, 6, p. 3.348. 



Terebratella dorsata Davidson, Challenger Report, Zool, 1880, 1, p. 44, pi. 4. fig. 4 ; 



Fischer and Oehlert, Brach. Cap Horn, 1892, p. 20, pi. 9, fig. 1-30; pi. 10, 



fig. 1-30. 

 Terebratula patagonica Gould, Expl. Exp. shells, 1856, fig. 583. 



Mission to Cape Horn, various localities in the Patagonian and Fiiegian region 

 in 8 to 120 fathoms, temperatures 6°. 2 to 8°.2 C. (42°.7-46°.7 F.). 



This is really a species of moderate depths, but occasionally lives at a depth 

 exceeding 100 fathoms. 



ITIAGELEANIA Bayle. 



Magellania wyvillii Davidson. 



Wnliheimia wi/villii, Davidson, Challenger Report, Zool., 1880, 1, p. 44, pi. 3, fig. 

 13a-b. 



" Challenger " station 299, off Valparaiso, in 2160 fathoms, ooze, bottom tem- 

 perature l°.l C. (34° F.). 



Only a single defective specimen was obtained, notable for its extremely thin 

 and fragile shell. 



ITIACANDREVIA Kixo. 

 Macandrevia americana Dali,. 



Endesia fonlameana Dall (not D'Orbigny), Proc. U. S. Nat. Mus., 1889, 12. p 231. 

 Macandrevia americana Dall, Proc. U. S. Nat. Mus., 1895, 17, p 721, pi 32, figs. 1, 

 4, 7. 



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