42 BULLETIN 71, UNITED STATES NATIONAL MUSEUM. 



Distribution. — Described by Brady in the Challenger report from 

 Challenger station 224 in 1,850 fathoms in the western part of the 

 North Pacific. 



LAGENA FORMOSA Schwager, var. COMATA H. B. Brady. 



Plate 11, fig. 8. 



Lagena formosa Schwager, var. comata H. B. Brady, Rep. Voy. Challenger , 

 Zoology, vol. 9, 1884, p. 480, pi. 60, fig. 22. 



Description. — Variety differing from the typical in having the 

 body of the test striate and the periphery and base of the neck 

 reticulate. 



Length 0.85 mm. 



Distribution. — This variety was described by Brady from Chal- 

 lenger station 224 in 1,850 fathoms in the western part of the North 

 Pacific. The only North Pacific station from which I have seen this 

 variety is Nero 1464 in 891 fathoms. 



LAGENA BICARINATA Terquem, var. LATEROCOSTATA, new variety. 



Description. — Test compressed, ovate in front view, periphery of 

 test concave with a keel at either side, on each side of the body por- 

 tion posteriorly a short, curved, prominent costa, remainder of body 

 surface smooth. 



Length 0.4 mm. 



Distribution. — Type-specimen Cat. No. 8553, U.S.N.M., from Nero 

 station 1012 in 1,932 fathoms north of Guam. 



LAGENA ORBIGNYANA (Seguenza). 

 Plate 19, fig. 1. 



Entosolenia marginata Williamson (part) (not L. marginata (Walker and Boys)), 



Rec. For. Great Britain, 1858, p. 9, pi. 1, figs. 19, 20. 

 Fissurina orbignyana Seguenza, Foram. monotal. Mioc. Messina, 1862, p. 66, 



pi. 2, figs. 24, 26. 

 Lagena orbignyana H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 



484, pi. 59, figs. 1, 18, 24, 26. — H. B. Brady, Parker, and Jones, Trans. 



Zool. Soc. London, vol. 12, 1888, p. 222, pi. 44, fig. 20.— Egger, Abh. k6n. 



bay. Akad. Wiss. Miinchen, CI. n, vol. 18, 1893, p. 333, pi. 10, figs. 89-91.— 



Flint, Rep. U. S. Nat. Mus., 1897 (1899), p. 308, pi. 54, fig. 4.— Sidebottom, 



Mem. and Proc. Manchester Lit. and Philos. Soc, vol. 50, No. 5, 1906, p. 12, 



pl. 2, fig. 11. 

 Lagena orbignyana, var. elongata Goes, Bull. Mus. Comp. Zool., vol. 29, 1896, 



p. 52. 



Description. — Test rounded or elongate, ovate, much compressed, 

 whole test surrounded by a peripheral keel inside of which on either 

 side of the test is a complete raised rim about the body proper, neck 

 somewhat elongate, wall smooth, in side view appearing tricarinate. 



Length 0.5 to 0.7 mm. 



