80 BULLETIN" 11, UNITED STATES NATIONAL MUSEUM. 



Genus VAGINULINA d'Orbigny, 1826. 



Vaginulina d'Orbigny (type V. legumen Linnaeus), Ann. Sci. Nat., vol. 7, 1826, 

 p. 257.— H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 529. 



Description. — Test elongate, chambers in a linear series, placed so 

 that the sutures are oblique, aperture marginal, chambers laterally 

 compressed. 



The genus Vaginulina is a more or less convenient one for certain 

 compressed forms which have, in common, oblique sutures and a 

 marginal aperture. Among the fossil forms this genus has no 

 definite position, but its place as a genus, including recent species, is 

 not a very stable one. 



VAGINULINA LEGUMEN (Linnaeus) 

 Plate 39, fig. 4. 



Nautilus legumen Linnaeus, Syst. Nat., ed. 10, 1758, p. 711, No. 248; ed. 12, 1767, 

 p. 1164, No. 288. 



Vaginulina legumen d'Orbigny, Ann. Sci. Nat., vol. 7, 1826, p. 257, No. 2. — 

 H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 530, pi. 66, 

 figs. 13-15.— Goes, Bull. Mus. Comp. Zo6l., vol. 29, 1896, p. 58.— Flint, 

 Rep. U. S. Nat. Mus., 1897 (1899), p. 314, pi. 60, fig. 2.— Bagg, Proc. U.S. 

 Nat. Mus., vol. 34, 1908, p. 145. 



Description. — Test compressed laterally, composed of several 

 chambers, sutures distinct, often the wall below being translucent, 

 earlier not distinguishable in contour, later ones often somewhat 

 tumid and distinguishable, length of individual chamber variable; 

 initial end with or without a spine; wall smooth and polished, aper- 

 ture marginal on a somewhat extended neck, radiate. 



Length 2 mm. or more. 



Distribution. — This species is recorded by Bagg at Albatross station 

 D4174 in 735 to 865 fathoms and H4567 in 1,307 fathoms off the 

 Hawaiian Islands. I have had specimens from Nero station 1254 in 

 264 fathoms and station 1464 in 891 fathoms and from Guam and 

 Japan. 



This species is somewhat variable in length of chamber and in the 

 presence or absence of the terminal spine. 



VAGINULINA PATENS H. B. Brady. 



Plate 32, figs. 7, 8. 



Vaginulina patens H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 

 533, pi. 67, figs. 15, 16. — Egger, Abh. kon. bay. Acad. Wiss. Miinchen, CI. n, 

 vol. 18, 1893, p. 348, pi. 11, figs. 44-47 [?]. 



Description. — "Test elongate, complanate, broadest near the middle, 

 tapering to a point at the apertural end ; aboral end broad and rounded, 

 but finishing in a short, stout spine. Dorsal edge thin, nearly straight, 

 ventral margin thickest near the middle, square orsomewhat bicarinate. 



