72 



BULLETIN 71, UNITED STATES NATIONAL MUSEUM. 



reticulated network; wall of fine sand with a small proportion of 

 cement, rather thin; apertures at the ends of the tubes, rounded; 



color white, gray, or brown. 

 Diameter of the main 

 tubes up to 0.5 mm., of the 

 smaller ones as small as 

 0.12 mm. 



Distribution. — Brady de- 

 scribed this species from 

 shallow water about the 

 Admiralty and Friendly 

 islands. A single fragmen- 

 tary specimen was obtained 

 from Albatross station D 

 4922 in Vincennes Strait, 

 south of Japan, in 60 fath- 

 oms. At this and adjacent stations many other species of tropical 

 Foraminifera seem to 



Fig. 93.— Sagenina frondescens. X 10 (after Brady). 



reach 

 limit. 



their northern 



SAGENINA RAMULOSA, new 

 species. 



Description. — Test at- 

 tached, tubular, branch- 

 ing profusely at a small 

 angle, tubes often masse< I 

 or confluent; wall com- 

 posed of fine coralline 

 mud, smooth; apertures 

 at the ends of the tubes; 

 color, white. 



Diameter of the tubes, 

 0.1-0.2 mm. 



Type-specimen. — C at. 

 No. 823 2, U.S.N.M., 

 from Nero station 1066, 



off Guam, 234 fathoms FlG - ^--sagenina ramulosa. 

 in coral mud, attached to fragments of worn shell. 



This species is very slender, much more profusely branching than 

 any specimens of the preceding species that I have seen, and most of 

 the branching at a very acute angle. 



X 15. FROM PHOTOGRAPH. 



