14 BULLETIN 161, UNITED STATES NATIONAL MUSEUM 



Test stout, somewhat elongate, tapering slightly until near the 

 initial end, where it tapers abruptly to the somewhat blunt end; 

 triserial portion nearly circular in cross section, of few chambers, 

 the later biserial portion making up about three-fourths of the test, 

 slightly compressed; chambers overlapping and appearing crowded, 

 broadly elliptical in cross section, inflated ; sutures deep and distant, 

 end strongly convex; wall of fine arenaceous or calcareous shell ma- 

 terial, smooth; aperture oval, slightly back from the inner margin 

 of the chamber and with the border raised somewhat and thick- 

 ened ; color light gray. Length, 0.38-1 mm. 



Although this is a very widely distributed species, it is very rare 

 in this collection. Single specimens, both of which are here figured, 

 occurred at Albatross Stations H3818, latitude 15° 24' 10" S., longi- 

 tude 147° 56' W., in 897 fathoms, and H3901. 8 miles off Marokau 

 Islands, Paumotus, 1,620 fathoms. 



GAUDRYINA TRIANGULARIS Cushman Tar. ANGULATA Cushman 



Plate 3, Figures 7 a, & 



Gaudryina triangularis Cushman var. angulata Cushman, Carnegie Inst. Wash- 

 ington Publ. 342, p. 22, 1924. 



Variety differing from the typical in the later chambers, which are 

 very angular, the opposite sides parallel, giving a peculiar appear- 

 ance to the test, especially in end view. Length, 0.6 mm; breadth, 

 0.45 mm ; thickness, 0.3 mm. 



This variety, originally described from Samoa, occurs rarely in 

 the Fiji Islands at Mokaujar Anchorage. 



GAUDRYINA QUADRANGULARIS Bagg 



Plate 3, Figures 10, 11 



Gaudryina quadrangularis Bagg, Proc. U. S. Nat. Mus., vol. 34, p. 133, pi. 5, 

 fig. 1, 1908.— Cushman, U. S. Nat. Mus. Bull. 71, pt. 2, p. 64, fig. 103 (in 

 text), 1911; Proc. U. S. Nat. Mus., vol. 56, p. 604, 1919; U. S. Nat. Mus. 

 Bull. 100, vol. 4, p. 147, pi. 29, fig. 2, 1921. 



Test elongate, tapering abruptly at the initial end, composed of an 

 early trihedral portion with acute angles made up of a triserial group 

 of chambers, and a later more or less quadrangular portion composed 

 of chambers biserially arranged; sutures often largely obscured by 

 roughening of the surface; wall coarsely arenaceous and rather 

 roughly cemented; aperture an elongate orifice between the inner 

 border of the chamber and the adjacent wall of the preceding cham- 

 ber, with, in end view, a sort of rounded lip above and a depression 

 at either side; in side view the aperture is in a depression of the 

 abruptly truncated end of the test, Length, up to 3 mm. 



