190 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL.6 



base of each chamber somewhat extended outward and downward to a 

 point at the periphery, last pair of chambers showing a low and blunt but 

 distinct peripheral keel; sutures distinct, depressed, strongly curved to 

 meet periphery obliquely; wall smooth, punctate; aperture terminal, 

 elongately oval, with lip. Length up to 0.9 mm.; thickness 0.16 mm." 



The types of this species are from the Miocene of Palos Verdes Hills, 

 California. It has not previously been recorded as a living species, but 

 there are numerous specimens in our collections that seem to belong 

 here. It is a more fusiform, somewhat thicker species than B. pseudo- 

 beyrichi Cushman. 



Stations: 59, 60, 200, 217, 299, 336, 412, 512, 516, 540, 543, 585, 

 1007, 1076, 2023, 2087, 2090, 2097, 2098, 2101, 2106, 2107, 2110, 

 2113, 2140, 2149, 2151, 2152, 2153, 2154, 2156. 



Some of the more elongate specimens are close to Bolivina bradyi 

 Asano and may possibly belong there. 



Distribution. — Numerous records for the Gulf of California give a 

 depth range from 6 to 160 fms. In Parker Bay, Costa Rica, the depth is 

 15 fms.; in the area north of Duncan Island, Galapagos, the depth is 111 

 fms.; for three stations off Colombia the depth range is 48 to 50 fms. 



Bolivina compacta Sidebottom 

 Plate 23, Fig. 4 



Bolivina robusta H. B. Brady, var. compacta Sidebottom, Mem. Proc. 

 Manchester Lit. Philos. Soc, vol. 49, no. 5, 1905, p. 15, pi. 3, fig. 7. 



Bolivina compacta Cushman, Bull. 71, U.S. Nat. Mus., pt. 2, 1911, 

 p. 36, text fig. 58; Bull. 100, vol. 4, 1921, p. 137, pi. 26, fig. 7; Publ. 311, 

 Carnegie Instit. Washington, 1922, p. 26, pi. 1, fig. 10; Bull. 104, U.S. 

 Nat. Mus., pt. 3, 1922, p. 45; Publ. 342, Carnegie Instit. Washington, 

 1924, p. 18, pi. 5, fig. 1. — Heron-Allen and Earland, Discovery Rep'ts, 

 vol. IV, 1932, p. 354. — Cushman, Special Publ. 9, Cushman Lab. Foram. 

 Res., 1937, p. 135, pi. 17, figs. 22-24; Smithsonian Misc. Coll., vol. 99, 

 no. 9, 1941, p. 10. 



Test elongate, tapering, 2iy^ to 3 times as long as broad, periphery 

 rounded, initial end bluntly pointed, apertural end obliquely rounded ; 

 chambers numerous, somewhat inflated ; sutures very slightly depressed, 

 not very distinct; wall ornamented by a series of large, coarse punctae 

 somewhat irregularly arranged, those of the last-formed chambers finer 

 and more numerous; aperture elongate, extending from the base of the 



