36 DISCOVERY REPORTS 



76. Ammobaculites agglutinans var. filiformis, Earland (SG 116) (A 171). 

 Four stations: 280, 286, 303, 417. 



A single specimen at each station. 



77. Ammobaculites americanus, Cushman (F 97) (SG 117) (A 172). 

 Two stations: 312, 313. 



Very rare: two specimens at St. 312, and a single small individual at St. 313. 

 Pearcey: 342 "rare". 



78. Ammobaculites tenuimargo (Brady) (SG 120) (A 173). 

 Two stations: 312, 313. 



Only two specimens from the sounding at St. 312; common and large in the trawl 

 washings from St. 313. 

 Pearcey: 313, 420 "rare". 



79. Ammobaculites foliaceus (Brady) (SG 121) (A 174). 

 Three stations: 312, 313, 417. 



Very rare everywhere, the best specimens at St. 312. Those from St. 417 were very 

 small. 



80. Ammobaculites foliaceus var. recurva, Earland (A 175). 

 Four stations: 303, 312, 313, 428. 



Several typical specimens at St. 312; single typical individuals elsewhere. 



Genus Ammomarginulina, Wiesner, 1931 



81. Ammomarginulina ensis, Wiesner (SG 122) (A 176). 

 Three stations: 312, 313, 417. 



Frequent and exhibiting great variation in the extent of the uncoiling of the chambers 



at St. 313 ; rarer at St. 312; a few small and pauperate specimens at St. 417, off Coats 



Land. 



Genus Placopsilinella, Earland, 1934 



82. Placopsilinella aurantiaca, Earland (A 178). 

 Two stations: 313, 417. 



Not uncommon on sand grains at both stations, but easily overlooked. The chambers 



are smaller and darker than the type, resembling the North Atlantic specimens referred 



to in A 178. 



Subfamily TROCHAMMININAE 



Genus Ammolagena, Eimer and Fickert, 1899 



83. Ammolagena clavata (Jones and Parker) (F 99) (SG 124) (A 179). 

 Three stations: 290, 313, 417. 



A single small specimen from the sounding at St. 290 ; frequent in the trawl washings 

 from Sts. 313 and 417. 



Pearcey: 291 "common", 313, 342, 420 "rare". 



