REPORT ON THE EORAMINIFERA. 
583 
Mr. Eobertson. It has been further noticed in the North Atlantic, off Gomera, Canaries, 
620 fathoms ; and off Culebra Island, West Indies, 390 fathoms : in the South Atlantic, 
off Ascension, 420 fathoms ; and on the Abrolhos Bank, 260 fathoms (Parker and Jones), 
in the Eed Sea, 580 fathoms ; in the Southern Ocean, off Prince Edward Island, 50 to 
150 fathoms ; and in the South Pacific, off Tahiti, 420 fathoms and 620 fathoms ; off Ki 
Islands, 580 fathoms ; and off Kandavu, Fiji, 255 fathoms. 
Sagrina virgula, H. B. Brady (PI. LXXYI. figs. 4-10). 
Sagrina virgula, Brady, 1879, Quart. Journ. Micr. Sci., vol. xix., jST. S., p. 61, pi. viii. figs. 19-21. 
Nodosaria typus (?), Seguenza, 1880, Mem. R. Accad. dei Lincei, ser. 3, vol. vi. p. 136, 
pi. xiii. fig. 2. 
Test linear, straight or slightly curved, cylindrical, tapering. Uvigerine segments few 
and minute, often entirely wanting ; those of the linear series subglobular or ovate ; 
aperture usually wide, with an everted phialine lip ; surface in thin-shelled specimens 
hispid or setose. Length, ^th to ^th inch (0'5 to 1*0 nnn.). 
Perfect specimens of this species in the normal condition (figs. 4-6) are easily 
distinguished from any of their congeners by their inflated or subglobular chambers. 
The earlier segments are minute, whether combined in straight or spiral series ; and in the 
latter case they form collectively a very small proportion of the entire shell. Frequently 
the Uvigerine segments are wanting ; and it is almost impossible to name any positive 
characters by which shells so constructed (figs. 8-10) can be separated with cer- 
tainty from true Nodosarians. The large aperture and spreading phialine lip generally 
serve to indicate their affinity, and sometimes traces of the everted neck are evident in 
the form of a rim or the remains of a row of spines on the inferior or aboral face of the 
chambers ; but in the absence of such marks, the relationship of individual specimens 
can only be determined by the company in which they are found. 
Sagrina virgula has been obtained in the South Atlantic, off Pernambuco, 675 fathoms: 
with that exception the distribution, which extends altogether to ten localities, is 
confined to the South Pacific, the bathymetrical range being from 12 fathoms to 2075 
fathoms. The specimens from deep water are thick-shelled as compared with those from 
coral-sands. 
Sagrina nodosa, Parker and Jones (PI. CXIY. fig. 18, a.b.). 
JJvigerina ( Sagrina ) nodosa, Parker and Jones (non d’Orbigny), 1865, Phil. Trans., vol. civ. 
p. 363, pi. xviii. fig. 15. 
Messrs. Parker and Jones ( loc . cit .) have referred this particular modification of the • 
type to the JJvigerina nodosa of d’Orbigny, a species based upon a number of figures 
