REPORT ON THE EORAMINIFERA. 
523 
Frondicularia interrupta, Karrer (PL LXVI. figs. 6, 7). 
Frondicularia interrupta, Karrer, 1877, Geol. K. F.-J. Wasserleitung, p. 380, pi. xvi. b. fig. 27. 
Ftabellina cuneata, Brady, 1879, Quart. Journ. Micr. Sci., vol. xix., N. S., p. 57, pi. viii. Jig. 7. 
The specimens represented by figs. 6, 7, were originally assigned, with some reserva- 
tion on account of their greater regularity of form and structure, to the Flabellina 
cuneata of Munster (Neues Jahrb. fiir Min., &c., 1838, p. 383, pi. iii. fig. 10) ; and 
so far as can be made out from the small and exceedingly indistinct figure furnished by 
Roemer in the memoir referred to, that species differs in little except its dimorphous 
mode of growth from the recent shells. 
Nevertheless, strictly speaking, the living specimens have more affinity with the 
typical Frondicularice than with the dimorphous group, and an alternative is offered 
in the form described by Karrer, under the name Frondicularia interrupta, which presents 
almost identical features. The same author has also figured another and closely allied 
variety, Frondicularia cintonina (Geol. von Luzon, p. 91, pi. v. fig. 14), distinguished 
from the foregoing chiefly by the continuity of the superficial strise and their somewhat 
closer setting. In these particulars one of the recent shells (fig. 7) exhibits intermediate 
characters. 
The habitat of the recent specimens is, — off the Ki Islands, south-west of New 
Guinea, depth, 129 fathoms. 
The fossil shells originally described were from the Miocene of Baden near Vienna. 
Frondicularia robusta, n. sp. (PI. LXVI. figs. 1, 2). 
Test elongate, compressed, stoutly built ; lateral margins nearly parallel, ends 
obtusely angular or rounded, peripheral edges thick, rounded, slightly lobulated. 
Segments numerous ; nearly uniform in size after the initial stage, somewhat irregular 
in contour, comparatively little bent. Surface furnished with closely set, irregular or 
interrupted, longitudinal costae. Length, i^th inch (3 '6 mm.). 
This is a large and striking species, distinguished from most of its congeners by the 
unusually thick and solid proportions of the test. The form of the segments approaches 
that of the Lingidince ; instead of being reflexed at a sharp angle from the median line, 
in the normal way, they are obtusely bent, and the apertural end of each segment is 
blunt and rounded. The superficial ornament is less regular than is customary amongst 
the Nodosarince . 
Frondicidaria robusta has only been found at two localities : — off the Ki Islands, 
south-west of Papua, 129 fathoms ; and on the coral-reefs of Honolulu, Sandwich Islands, 
40 fathoms. 
