DESCRIPTIVE CATALOGUE OF RECENT PORAMINIFEKA. 269 



SACCAMMINA SPHERICA M. Sars. 

 (Pl;.te!», fig. 2.) 



Test globular or slightly pear shaped, smoothly and strongly built of 

 medium-sized grains of sand; aperture a simple tubular opening in the 

 more or less protuberant end of the shell. Diameter, about 1 mm. (- 2 L S 

 ineh). 



Locality.— Off the Coast of Brazil (station 2760), 1,019 fathoms. 



SACCAMMINA CONSOCIATA, new species. 

 (Plato 9, fig. 3.) 



Free or adherent, subglobular; surface coarse and rough; walls thin, 

 composed ot rather coarse sand mixed with sponge spicules; color a 

 rich reddish brown; orifices one or several, at the end of long slender 

 tubes. Generally united into colonies, either in straight series, or 

 curved, or confused, connected by stoloniferous tubes. Diameter of 

 individual tests, 0.4 to 0.8 mm. (^ to ., L , r inch). 



Locality. — Off Bahia, Brazil (station 2700), 1,019 fathoms. 



Subfamily IJHABD^JVEjVlIlVIJSr. E. 



Test composed of firmly cemented sand grains, often with sponge 

 spicules intermixed; tubular; straight, radiate, branched, or irregular; 

 free or adherent, with one, two, or more apertures; rarely segmented. 



Genus JACULELLA. 

 Test elongate, tapering; aperture at the broad end. 



JACULELLA ACUTA Brady. 

 (Plate 9, fig. 4.) 



Long, cylindrical, tapering, closed at the pointed end when perfect, 

 open at the broad end ; walls constructed of coarse sand ; surface rough ; 

 color, light brown. Length, about 3 mm. (£ inch). 



Locality. — Not recorded. 



Genus H YPER AMM IN A. 



Test free or adherent; consisting of a long, simple or branching, arena- 

 ceous tube, the primordial end of which is closed and rounded; the 

 opposite extremity, which is open and but little if at all constricted, 

 forming the general aperture; interior smooth. 



HYPERAMMINA FRIABILIS Brady. 

 (Plate 10, fig. 1.) 



Test free, consisting of a long straight tube, one end 

 slightly iutlated, the other end slightly contracted, formi 

 rounded aperture; cavity corresponds to the external for 



