FAMILY 19. TROCHAMMINIDAE 173 



Genus CARTERINA H. B. Brady, 1884 

 Plate 22, figures 2, 3 



Genoholotype, Rotalia spiculotesta Carter 



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



345. 

 Rotalia Carter (not d'Orbigny), Ann. Mag. Nat. Hist., ser. 4, vol. 20, 



1877, p. 470. 



Test trochoid, usually attached, the later chambers irregularly 

 spreading ; the wall made of cement in which are peculiar, thin, 

 translucent, fusiform bodies irregularly scattered ; aperture on 

 the ventral side near the umbilicus. 



Subfamily 3. Ammosphaeroidininae 



Test with the early portion trochoid, later chambers few, 

 embracing; aperture arched, on the umbilical border of the 

 chamber or in the apertural face. 



Genus AMMOSPHAEROIDINA Cushman, 1910 



Plate 22, figure 7 

 Genoholotype, Haplophraginium sphaeroidiniformis H. B. Brady 



Ammosphaeroidina Cushman, Bull. 71, U. S. Nat. Mus., pt. 1, 1910, p. 

 128. 



Haplophragmium (part) H. B. Brady (not Reuss), Rep. Voy. Chal- 

 lenger, Zoology, vol. 9, 1884, p. 313. 



Test in the early stages trochoid, in the adult globose with 

 the last three chambers making up the entire surface; wall 

 coarsely arenaceous; aperture arched, at the umbilical border 

 of the chamber. 



Recent. 



Genus AMMOCHILOSTOMA Eimer and Fickert, 1899 

 Plate 22, figure 8 



Genotype, by designation, Trochammina pauciloculata H. B. Brady 



AmTnochilostoma Eimer and Fickert, Zeitschr. Wiss. Zool., vol. 65, 1899, 



p. 692. 

 Trochammina (part) H. B. Brady (not Parker and Jones), Quart. 



Journ. Micr. Soc, vol. 19, 1879, p. 58. 

 Haplophragmium (part) H. B. Brady, 1. c, vol. 21, 1881, p. 50. 



Test subglobose, adult with but two or three chambers making 



