130 MR F. GORDON PEARCEY ON 



generally. The colour of the latter, however, shows through, and makes this species 

 conspicuous by its colouring alone. The exterior aspect is illustrated in the drawings. 



Diameter from T \> to -., ; a inch (0'5 to 1'5 mm.). 



Obtained in moderate numbers at Station 420, 2620 fathoms. 



Sub-family HYPERAMMININ^. 



Genus HYPERAMMINA, H. B. Brady. 



Hyperammina subnodosa, H. B. Brady. 



Obtained at Station 420, moderately common. Known from the North and South 

 Atlantic and North Pacific (BRADY, and CUSHMAN), 20 to 2384 fathoms. Found 

 abundantly as far north as the coast of Greenland, 20 to 450 fathoms. 



Hyperammina elongata, H. B. Brady. 



From Stations 291 (few) and 313 (rare). Walls built of coarser material than is 

 seen in typical specimens. Only one specimen complete, with the proloculum perfect. 

 Distribution cosmopolitan, in depths of from 110 to 3125 fathoms. 



Hyperammina friabilis, H. B. Brady. 



A few typical specimens from Station 420, in a more or less fragmentary condition, 

 but with the proloculum perfect. This species also has a wide distribution off the coast 

 of Greenland, Faroe Channel, North Atlantic, South Atlantic, North Pacific, 20 to 3800 

 fathoms. 



Genus SACCORHIZA, Eimer and Fickert. 

 Saccorhiza (Hyperammina) ramosa (H. B. Brady). 



Obtained at Stations 291, 313, 337a, 342, 417, and 420, although nowhere 

 numerous. Known from as far north as Franz Josef Land, and appears to be present in 

 all seas wherever arenaceous organisms are found, at depths of from 39 to 3125 fathoms. 



Genus TOLYPAMMINA, Rhumbler. 

 Tolypammina (Hyperammina) vagans (H. B. Brady). 



Fine typical specimens, but of a dark grayish-brown colour, from Stations 291, 417, 

 and 420. World-wide distribution. Bathymetrical range, 20 to 3800 fathoms. 



Genus AMMOLAGENA, Eimer and Fickert. 



Ammolagena ( Webbina) clavata (Jones and Parker). 



From Stations 291 (common), 313, 342, and 420 (rare), attached to Rhabdammina, 

 Psammoph&ra, Saccammina, and on rock-fragments. A widely distributed form- 

 off the coast of Norway, Faroe Channel, North Atlantic, South Atlantic, North Pacific. 

 90 to 2000 fathoms. 



(ROT. soc. EDIN. TRANS., VOL. XLIX., 1004.) 



