220 CRETACEOUS PALEONTOLOGY. 



Formation and locality. Marshalltown clay-marl, Marshall- 

 town (Bagg). 



Geographic distribution. New Jersey ; Miocene of California. 



Nodosaria rotundata (Reuss). 



1850. Glandulina rotundata Reuss, Denks. Akad. Wiss. Wien., 



vol. i, p. 366, pi. xlvi, fig. 2. 

 1863. Glandulina obtussima Reuss, Sitz. Akad. Wiss. Wien., 



vol. xlviii, pt. i, p. 66, pi. viii, figs. 92, 93. 

 1898. Nodosaria rotundata Bagg, Bull. U. S. G. S., No. 88, 



P- 43- 



Description. "Test oval, not much elongated, with rounded 

 base, consisting of only two or three segments, usually two, of 

 which 'the ultimate chamber is much the largest; surface of shell 

 smooth and white; aperture small, rotund, crenulate, placed cen- 

 trally in ultimate chamber. 



"Length, 1-3 mm." (Bagg.) 



Remarks. "This is not an uncommon form in the limesand 

 at Vincentown. Our specimens agree very closely with those 

 figured by Professor Reuss." (Bagg.) 



Formation and locality. Vincentown limesand, Vincentown 

 (Bagg). 



Geographic distribution. New Jersey. 



Nodosaria scabra (Reuss). 



1850. Dentalina scabra Reuss, Denk. Akad. Wiss. Wien, vol. i, 



p. 367, pi. xlvi, figs. 7, 8. 

 1898. Nodosaria scabra Bagg, Bull. U. S. G. S., No. 88, p. 43. 



Description. "Test small, elongate, tapering; surface uni- 

 formly covered with raised longitudinal striae, or tubercles, visible 

 only under high power in reflected light ; chambers eight in num- 

 ber, strongly constricted, becoming quite spheroid in the upper 

 portion ; primordial chamber furnished with a long, delicate spine 

 upon the inside edge of the line of flexure ; ultimate chamber pro- 

 longed into a round phialine neck ; aperture rotund. 



