70 



BULLETIN 104, UNITED STATES NATIONAL MUSEUM 

 SIPHONINA BRADYANA Cushman 



Plate 14, figures 4 a-c 



Truncatulina reticulata H. B. Brady (part) (not Czjzek), Rep. Voy. Chal- 

 lenger, Zoology, vol. 9, 1884, pi. 90, fig. 8. — H. B. Brady, Parker, and 

 Jones, Trans. Zool. Soc. London, vol. 12, 1888, p. 228, pi. 45, figs. 23 a-c 

 (not 24 a, 6?).— Flint, Ann. Rep't. U. S. Nat. Mus., 1897 (1899), p. 334, 

 pi. 78, fig. 3. 



Siphonina bradyana Cushman, Proc. U. S. Nat. Mus., vol. 72, Art. 20, 1927, 

 p. 11, pi. 1, figs. 4 a-c. 



Siphonina bradyana — Material examined 



Test nearly equally biconvex, periphery acute with a broad thin 

 carina somewhat fimbriate, but the fine tubules not reaching to the 

 edge of the keel, the outer half of which is clear; chambers about five 

 in the last-formed volution, not inflated; sutures distinct, limbate, 

 not depressed; wall coarsely perforate, smooth; aperture elliptical, 

 with a broad flaring lip but very short neck. 



Diameter, 0.60 mm.; thickness, 0.28 mm. 



This species is so far as known limited to the West Indian region, 

 and occurs in deeper water than the preceding. The wide keel and 

 the very smooth surface are characteristic of the species. 



SIPHONINA TUBULOSA Cushman 



Heron-Allen and Earland (Journ. Roy. Micr. Soc, 1930, p. 188, pL 

 4, figs. 62-64) record this species from off the British Isles. 



Genus SIPHONINOIDES Cushman, 1927 



Siphoninoides Cushman, Contr. Cushman Lab. Foram. Res., vol. 3, 1927, 



p. 77; Special Publ. No. 1, Cushman Lab. Foram. Res., 1928, p. 278. 

 Planorbidina H. B. Brady, 1879 (not d'Orbign}-). 

 Truncatulina of Authors (not d'Orbigny). 

 Siphonina (part) of Authors (not Reuss). 



Genoholotype. — Planorbulina echinata H. B. Brady. 



