NO. 4 FORAMINIFERA CUSHMAN 25 



wall finely arenaceous, cement yellowish or reddish brown, surface 

 smooth, aperture formed by the open end of the chamber. 



Genus AMMODISCOIDES Cushman, 1909 

 Plate 2, fig. II 



Test free, spiral, initial chamber followed by a coiled nonseptate 

 tube the microspherio form at least, with the early portion forming a 

 hollow cone ; later portions becoming broadly flaring usually slightly 

 concave in the opposite direction from that of the early conical por- 

 tion ; wall finely arenaceous, smooth, aperture terminal. 



Genus GLOMOSPIRA Rzehak, 1888 

 Plate 2, fig. 12 



Test composed of a subglobular proloculum and long, undivided 

 second chamber, winding upon itself in various planes, not completely 

 spiral throughout; wall finely arenaceous, with a predominance of 

 cement, smooth both without and within, color reddish or yellowish 

 brown. 



Genus TURRITELLELLA Rhumbler, 1903 



Test free, consisting of a proloculum and long, undivided second 

 chamber, coiled in an elongate, close spiral ; wall composed of sand 

 grains and much cement, smooth ; aperture, the open end of the tubular 

 chamber. 



Family 3. LITUOLIDAE 



Test consisting typically of two or more chambers connected with 

 one another, arranged in a linear, planospiral, or trochoid, coiled or 

 irregular series ; wall of agglutinated material, the relative amounts of 

 cement and foreign material varying greatly ; apertures usually one 

 to each chamber, but sometimes several. 



Subfamily i. ASCHEMONELLINAE 



Test composed of agglutinated material, divided irregularly into 

 chambers without definite plan of arrangement. 



Genus ASCHEMONELLA H. B. Brady, 1879 

 Plate 3, fig. 3 



Test free, composed of a number of tubular or inflated chambers 

 in a single or branching series, size and form irregular; walls 

 arenaceous, firm, thin ; apertures often several at the end of the 

 tubular necks. 



