180 



BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



(15° C); D5443, in 241 fathoms (441 meters), off Atalaya Point, 

 Batag Island, east coast of Luzon, bottom temperature 51.3° F. 

 (10.7° C); D5638, in 517 fathoms (946 meters) at the entrance to 

 Tifu Bay, Bouro Island; and D5666, in 272 fathoms (498 meters), 

 off Celebes, bottom temperature 47.5° F. (8.6° C). 



These stations are well scattered over the area of dredging opera- 

 tions, and probably the species is much more common than indi- 

 cated here. 



Lagena sulcata — Material examined. 



LAGENA SULCATA (Walker and Jacob), var. APICULATA Cushman. 



Lagena sulcata, apiciilate forma, H. B. Brady, Rep. Voy. Challenger, Zoology, 



vol. 9, 1884, pi. 58, figs. 4, 17 (?). 

 Lagena sulcata, var. apiciilata Cushman, Bull. 71, U. S. Nat. Mus., pt. 3, 1913, p. 23, 



pi. 9, figs. 3, 4. 



Specimens of this variety occurred at the following three Alla- 

 tross stations: D5133, in 38 fathoms (70 meters), Sulu Sea off 

 western Mindanao; D5178, in 78 fathoms (143 meters) off Romblon; 

 and D5277, China Sea off southern Luzon, in 80 fathoms (146 meters), 

 bottom temperature 58.6° F. (14.7° C). 



Lagena sulcata, var. apiculata — Material examined. 



LAGENA ACUTICOSTA Reuss. 



Lagena acuticosta Reuss, Sitz. Akad. Wiss. Wien, vol. 44, pt. 1, 1861 (1862), p., 

 305, pi. 1, fig. 4; vol. 46, pt. 1, 1862 (1863), p. 331, pi. 5, fig. 63.— H. B. Brady, 

 Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 464, pi. 57, figs. 31, 32; pi. 58, 

 figs. 20 (?), 21.— Cushman, Bull. 71, U. S. Nat. Mus., pt. 3, 1913, p. 23, pi. 8, 

 figs. 9, 10; pi. 23, fig. 2. 



