NO. 6 CUSHMAN, MCCULLOCH: LAGENIDAE 315 



Dentaltna filiformis Schubert, Sitz. Deutsch. Nat. Med. Ver. Bohmen 

 "Lotos", 1900, p. 49.— Howe and Wallace, Louisiana Geol. Bull. No. 2, 

 1932, p. 25, pi. 6, fig. 2. — Thalmann, Eclogae geol. Helvetiae, vol. 25, 

 1932, p. 304.— Cushman, Bull. Geol. Soc. Amer., vol. 47, 1936, p. 422. 

 — Asano, Sci. Rep't Tohoku Imp. Univ., ser. 2 (Geol.), vol. 19, No. 2, 

 1938, p. 214 (26), pi. 27, (4), figs. 22, 47.— Kleinpell, Miocene Stratig. 

 Calif., 1938, p. 210, pi. 22, fig. 1.— Bergquist, Bull. 49, Mississippi State 

 Geol. Survey, 1942, p. 42, pi. 5, fig. 2. — Marchesini, Comm. Pont. 

 Acad. Sci., vol. 6, No. 18, 1942, p. 752 (list).— Crespin, Bull. 9 (Pal. 

 Ser. No. 4), Commonwealth of Australia, Min. Res. Survey, (mimeo- 

 graphed), 1943, p. 78 (list). — Valk, in Rutten and Hotz, Geol., Petrogr. 

 and Paleont. Results Explor. Island of Ceram, 3rd ser., Geol,, No. 1, 

 1945, p. 22. — Norvang, Zoology of Iceland, vol. 2, pt. 2, Foraminifera, 



1945, p. 15. — Colom, Num. 3, Estudios Geologicos, Instit. Invest. Geol., 



1946, p. 143, pi. 9, fig. 126. — Crespin, Trans. Roy. Soc. So. Australia, 

 vol. 70, pt. 2, 1946, p. 297 (list).— Parker, Bull. Mus. Comp. Zool., 

 vol. 100, 1948, p. 237 (list). 



Test elongate, slender, arcuate, circular in transverse section, initial 

 end with a slight spine; chambers numerous, increasing very gradually 

 and rather uniformly in size as added ; sutures oblique, slightly depressed 

 in the later portion; wall smooth; aperture radiate, slightly projecting. 

 Length up to 6 mm. ; diameter up to 0.50 mm. 



This is a very widely recorded species but some of the records seem 

 somewhat doubtful. 



Stations: 328, 412, 413, 438, 461, and 488. 



Distribution. — Station 328 ofiF Cocos Island shows a depth of 14 fms. 

 Stations 412 to 488 are of? the Galapagos Islands with a range of 14 to 

 160 fms. and an average of 67 fms. 



Dentalina subsoluta (Cushman) 

 Plate 40, Figs. 13-15 



Nodosaria soluta H. B. Brady (not Dentalina soluta Reuss), Rep. 

 Voy. Challenger, Zoology, vol. 9, 1884, p. 503, pi. 62, figs. 13-16; pi. 64, 

 fig. 28.— Goes, Kongl. Svensk. Vet. Akad. Handl., vol. 25, No. 9, 1894, 

 p. 70, pi. 12, fig. 690; Bull. Mus. Comp. Zool., vol. 29, 1896, p. 62. 

 —Flint, Ann. Rep. U. S. Nat. Mus. 1897 (1899), p. 310, pi. 56, fig. 3. 

 —Cushman, Bull. 71, U. S. Nat. Mus., pt. 3, 1913, p. 53, pi. 26, figs. 

 9-11 ; Bull. 100, vol. 4, 1921, p. 192, pl. 34, figs. 5, 6. 



