68 BULLETIN 161, UNITED STATES NATIONAL MUSEUM 



Vavau Anchorage, 3 fathoms; and Mokaujar Anchorage. Speci- 

 mens are also common off Niau and in Niau Lagoon ; Vavau Anchor- 

 age, Tonga Islands, 18 fathoms; Rotonga, 7 fathoms; Rongelap 

 Atoll, Marshall Islands ; Port Lotten, Kersail, Caroline Islands ; and 

 Guam Anchorage, Ladrone Islands, 21 fathoms. 



Subfamily Nodobaculariinae 



Genus NODOBACULARIA Rhumbler, 1895 



Nodobacularia Rhumbler, Nachr. Ges. Wiss. Gottingen, 1895, p. 87. — Cushman, 

 Cusbman Lab. Foram. Res. Spec. Publ. No. 1, p. 164, 1928 ; U. S. Nat. Mus. 

 Bull. 104, pt. 6, p. 86, 1929. 



Nubecularia (part) Jones and Parker (not Defrance), Quart. Journ. Geol. Soc, 

 vol. 16, p. 455, 1860. 



Genoholotype. — Nubeculana tibia Jones and Parker. 



Test with a globular proloculum followed by a planispiral tubular 

 second chamber, the adult chambers in a rectilinear series; aperture 

 simple, with a lip. 



Lias to Recent. 



This genus was apparently developed early in the history of the 

 family, and species and specimens are common in the Jurassic. 

 There are few living species. 



The early stages in most specimens are very delicate, and easily 

 broken away so that the majority of specimens have only the later 

 heavy-walled chambers present. In some specimens there is only the 

 proloculum and a second coiled chamber before the rectilinear series 

 is taken on. In others there are two or three coiled chambers usually 

 making up a half coil or less, but the proloculum is always evident. 

 This is a typically tropical shallow-water genus. Owing to the early 

 chambers being usually lacking, it is difficult to place some of the 

 early described species, such as, for example, the forms usually re- 

 ferred to Articulina conico-articulata. The original figure given by 

 Batsch does not have the early chambers, and it is very difficult to be 

 sure of his species. 



NODOBACULARIA ANTILLARUM Cushman PACIFICA, new variety 



Plate 16, Figures 1 dr-c 



Test slender, elongate, often slightly curved; the early chambers 

 gradually increasing in length as added, somewhat pyriform, slightly 

 wider toward the base ; sutures distinct, much depressed ; wall orna- 

 mented by numerous, usually 13 to 15, sharp, raised, longitudinal 

 costse; apertural end slightly contracted, and then expanded into a 

 very definite lip, which is smooth. Length, 2.2 mm. ; breadth, 0.2 mm. 



