DESCKIl'TIVE CATALOGUE OF RECENT FOHAMINIFEIJA. 2G9 



SACCAMMINA SPHERICA M. Sars. 

 (Plate!*, fig. 2.) 



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

 medium-sized grains of sand; aperture a simple tubular opeuiug iu the 

 more or less protuberant end of the shell. Diameter, about 1 mm. (-2^5 

 inch). 



Locality.— Ort' the Coast of Brazil (station l'7(i()^, l,(Hi> fathoms. 



SACCAMMINA CONSOCIATA, new species. 

 (Plate 9, (ig. S.) 



Free or adherent, subglobular; surface <'oarse and rough; walls tliin, 

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

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

 tubes, (ienerally united into colonies, either iu straight series, or 

 curved, or confused, connected by stoloniferous tubes. J)iameter of 

 individual tests, 0.4 to 0.8 mm. [,X„ to .,\, inch). 



Local it I/. —Off Bahia, Brazil (station 2700), l.dl!) fathoms. 



Test coin[)osed of firmly cemented sand grains, often with sponge 

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

 free or adhereut, 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, taperiug, 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. (j^ inch). 



Locality. — Not recorded. 



Genus HYPERAMMINA. 



Test free or adherent; consisting of a long, sim})le or bran(,'hiug, arena- 

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

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

 forming the general a[)erture; interior smooth. 



HYPERAMMINA FRIABILIS Brady. 

 (Plate 10, lig. 1.) 



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

 slightly iuHated, tlie other end slightly contracted, forming a simi)le 

 rounded aperture; cavity corres[)onds to the external form of the test ; 



