258 REPORT ON ALBATROSS MOLLUSCA BALL. 



(Verrill). Also at Station 2754 in north latitude 11° 40' and west lon- 

 gitude 58° 33' east from Tobago in SSO fathoms, ooze, and Station 2760, 

 90 miles north from Ceara, Brazil, in south latitude 12° 7' and west 

 longitude 37° 17' in 1,019 fathoms, broken coral bottom; temperatures 

 37°.9 to 39°.4 F. 

 This species recalls the Miocene V. dolabellaU. C. Lea from Virginia. 



Nucula crenulata A. Adams. 



Nucula crenulata A. Adams, P. Z. S., 1860, p. 52. 



N. culebrert8is E. A. Smith, Chall. Rep., Lamellibr, p. '22*, PI. xvm, Figs. 11, 11a, 



1885. 

 N. crenulata Dall, Bull. Mus. Comp. Zool., ix, p. 123, 1881, xn, p. 247, PI. VII, Fig. 2, 

 1886. 



Hab.— Gulf of Mexico and Antilles, also Station 2785, in south lati- 

 tude 48° 9' and west longitude 74° 36', on the west coast of Patagonia 

 in 449 fathoms, mud; temperature 4G°.9 F. 



This locality greatly increases the southward range of this species and 

 carries it into the Pacific. The identification seems satisfactory. 



Nucula cancellata Jeffreys. 



Nucula reticulata Jeffreys, 1876, not of Hinds. 



N. cancellata Jeffreys, P. Z. S., 1881, p. ( J51. Verrill, Traus. Conn. Acad., vi. 231, 1884. 



Hab.— Europe, Azores, New England, near Georges' Banks and 

 southward to Martha's Vineyard. Also at Station 2754, east from To- 

 bago, in 880 fathoms, ooze, temperature 37°. 9, north latitude 11° 40' 

 and west longitude 58° 33'. 



The known southward extension of this species is greatly enlarged by 

 the specimens dredged as above mentioned. 



Nucula cymella Dall. 

 Plate xni, Fig. 1. 

 Nucula cymella Dall, Bull. Mas. Comp. Zn<"d., xu, p. 246, L886. 



Hab. — Yucatan Strait in 540 fathoms. Florida Straits. Also at 

 Station 2135, in 250 fathoms, hard coral bottom, south of Cuba, in lati- 

 tude 19° 56' north and longitude 75° 47' west; Station 2754, east from 

 Tobago, in SSO fathoms; and Station 2700, 90 miles northward from 

 Ceara, Brazil, in south latitude 12° 1' and west longitude 37° 17', in 1,019 

 fathoms, broken coral ; temperature 3S°.4 F. 



The last station extends the known range of this species nearly 2,000 

 miles to the southward of previous stations. 



Nucula calliciedemna sp. uov. 

 Plate xni, Fig. it. 



Shell rather large when adult, thin, compressed, with a polished yel- 

 lowish-olive uniform epidermis, radiating and concentric sculpture; 

 form of adult ovoid, recalling Nucula niponica E. A. Smith (Chall. Bep., 



