NO. 6 CUSHMAN, MCCULLOCH : LAGENIDAE 311 



There are numerous Recent and fossil records for this variety, many 

 of which are without figures and others show considerable variation in 

 the figures given. 



Stations: 1003 and 1170. 



Distribution. — This species has been recorded from Station 1003 and 

 Station 1170 off San Clemente and Santa Catalina Islands in 13 and 88 

 fms., respectively. 



Dentalina costai (Schwager) 

 Plate 41, Figs. 15, 16 



Nodosaria costai Schwager, Novara-Kxped., Geol. Theil, vol. 2, 1866, 

 p. 229, pi. 6, fig. 62. 



Dentalina costai Cushman, Bull. 161, U. S. Nat. Mus., pt. 2, 1933, 

 p. 11, pi. 3, fig. 6. 



Dentalina cf. costai Cushman and Gray, Special Publ. No. 19, Cush- 

 man Lab. Foram. Res., 1946, p. 14, pi. 3, fig. 4. 



Test elongate, slender, tapering; last- formed chamber distinct, in- 

 flated; sutures distinct, slightly limbate, very slightly oblique; wall 

 smooth; aperture radiate, terminal, at the peripheral angle. Length 1-1.8 

 mm. ; diameter 0.15-0.20 mm. 



The types of this species are from the Pliocene of Kar Nicobar in the 

 Pacific and it has been recorded living from other Pacific stations and 

 fossil in the Pleistocene of Timms Point, California. 



Stations: 340, 343, 517, and 543. 



Distribution. — Stations 340 and 343 are off Panama at Ladrones and 

 at Medidor Islands in 54 and 32 fms., respectively. Stations 517 and 543 

 are off South America, Port Utria, Colombia, in 116 and 50 fms., re- 

 spectively. The best material was found at Station 543 in 50 fms. 



Dentalina decepta (Bagg) 

 PIate41, Figs. 11, 12 



Nodosaria decepta Bagg, Bull. 513, U. S. Geol. Survey, 1912, p. 55, 

 pi. 16, fig. 1. 



Dentalina decepta Galloway and Wissler, Journ. Pal., vol. 1, 1927, 

 p. 49, pi. 8, figs. 12, 13. — Cushman and Gray, Special Publ. No. 19, 

 Cushman Lab. Foram. Res., 1946, p. 12, pi. 2, fig. 28. 



Marginulina costata Bagg (not Batsch), Bull. 513, U. S. Geol. Sur- 

 vey, 1912, p. 62, pi. 18, fig. 4. 



Vaginulina linearis Bagg (not Montagu), idem, p. 64, pi. 18, fig. 9. 



