+ 
GOES: FORAMINIFERA. 21 
ALLIED Forms :— 
1. R. dentaliniformis Brapy. 
R. dentaliniformis Br., Chall. Rep., IX. p. 293, Pl. XXX. Figs. 21, 22. 
Variable in size and thickness, sometimes with more constricted sutures 
and segments more or less inflated. A slender pigmy form is often met 
with. The neck of the segments usually produced. A larger variety, 
with only two or three oblong cylindrical segments, is also met with. 
Pacific. - 885-1201 fathoms ; less rare. 
Caribbean Sea. 420 fathoms; scarce. 
The larger two-chambered variety from Pacific, 1201 fathoms. 
2. R. bacillaris Brapy. 
R. bacillaris Br. (1881), 1884, Chall. Rep., LX. p. 293, Pl. XXX. Figs. 23, 24. 
A more ill defined form than what may be inferred from the figures of 
Brady, the chief difference from the preceding being its shorter, some- 
what globular segments. 
Pacific. 1132-1201 fathoms; rare. 
38 R. pilulifer Brapy. 
R. pilulifera Br., 1884, Chall. Rep., IX. p. 292, Pl. XXX. Figs. 18-20. 
h. pilulifer Gots, 1893, Arct. & Scandin. Foramf., Sv. Vet. Ak. Hdl., 
XXYV. 9, p. 25, Pl. VI. Figs. 176-180. 
A few samples have been met with. 
Pacific. 1800 fathoms. 
Caribbean Sea. 100 fathoms; scarce. 
4. R. distans Brapy. 
R. distans Br. (1881), 1884, Chall. Rep., IX. p. 296, Pl. XXXI. Figs. 18-22. 
The form met with by the “Albatross” has the segments more globiform 
than that exhibited in Brady’s illustrations. Usually only samples, with 
2-3 coherent segments, are met with. Color dirty brown, sometimes 
ash-gray. 
Pacific. 772-1740 fathoms; not very scarce. 
5. R. nodulosus Brapy. 
Only the slender, antennula-like brown form has been met with. It 
differs somewhat from the North Atlantic form, but agrees well with 
the form represented by Brady, Chall. Rep., IX. p. 294, Pl. XXXI. 
Figs. 3, 4. 
Pacific. 1201 fathoms; not plenty. 
Gulf of Mexico. 280-1832 fathoms ; not plenty. 
