FOEAMINIFERA OF THE ATLANTIC OCEAN 97 



Soc.,vol.48, No. 5, 1904, p. 18.— Dakin, Rept. Pearl Oyster Fish. Ceylon, 

 1906, p. 231. — Chapman, Joiirn. Quekett Micr. Club, ser. 2, vol. 10, 1907, 

 p. 125. — SiDEBOTTOM, Mem. Proc. Manche.ster Lit. Philos. Soc, vol. 54> 

 No. 16, 1910, p. 6. — Heron-Allen and Earland, Journ. Roy. Micr. Soc, 

 1911, p. 305; Trans. Zool. Soc. London, vol. 20, 1915, p. 587.— Cushman, 

 Bull. 71, U. S. Nat. Mus., pt. 6. 1917, p. 38, pi. 22, figs. 3, 4; Publ. 291, 

 Carnegie Instit. Washington, 1919, p. 69, pi. 14, fig. 3. — Martinotti, 

 Atti Soc. Ital. Sci. Nat., vol. 59, 1920, p. 327, fig. 170 in text.— Cushman, 

 Bull. 100, U. S. Nat. Mus., vol. 4, 1921, p. 414.— Heron-Allen and Ear- 

 land, Bull. Soc. Sci. Hist. Nat. Corse, 1922, p. 123. 



Test much compressed, early portion close coiled, later uncoiling in 

 a series of low, broad, uniserial chambers; sutures distinct, depressed; 

 surface ornamented by fine longitudinal striae; aperture elongate, 

 irregular, the lip on one side being shorter than on the other, making 

 the aperture really on the ventral side of the test, lip smooth, ends 

 rounded and not projecting. 



Length up to 1,2 mm.; breadth, 0.60 mm.; thickness, 0.20 mm. 



Not all the specimens recorded under this species seem to be 

 identical with d'Orbigny's. It is to be suspected that this is a species 

 of the Mediterranean, Indo-Pacific, and the eastern Atlantic replaced 

 in the West Indian region by V. cassis. 



VERTEBRALINA INSIGNIS H. B. Brady 



Vertebralina insignus H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 

 1884, p. 187, pi. 12, figs. 9-11. — Howchin, Trans. Proc. Roy. Soc. So. Aus- 

 tralia, vol. 12, 1889, p. 5.— Flint, Ann. Rept. U. S. Nat. Mus., 1897 

 (1899), p. 302, pi. 47, fig. 4.— Bagg, Proc. U. S. Nat. Mus., vol. 34, 1908, 

 p. 123.— Cushman, Bull. 71, U. S. Nat. Mus., pt. 6, 1917, p. 39, pi. 22, 

 figs. 1, 2. 



" Test compressed, planospiral, subquadrangular, nearly symmetri- 

 cal bilaterally; margin angular or partially carinate. Segments few, 

 more or less triangu-lar in outline, embracing the three segments of 

 the final convolution (with or without a single additional or nonspiral 

 segment) forming almost the entire visible shell. Surface decked 

 with exogenous costae, either distinct or in some parts combined so 

 as to form an irregular reticulated ornament. Aperture a long bor- 

 dered slit on the median line of the outer face of the terminal chamber. 



"Length one-twenty-fifth of 1 inch (1 mm.)." 



Brady's only Atlantic record for this species is a Challenger station 

 off Culebra Island, West Indies, 390 fathoms. Flint's Albatross 

 stations are from the Gulf of Mexico, the coast of Florida, and off 

 Chesapeake Bay, 60 to 169 fathoms. 



This may possibly be the early stage of a species with more uniserial 

 chambers. 



Subfamily 4. NuBECULARiiNAE 



Test typically attached, at least in the early stages, coiled in the 

 young, later irregular or consisting of a single attached chamber. 



