GOLDSTEIN’S NOMINA NUDA OF CATENICELLIDAE 
125 
Axis of daughter zooecium inclined at about 45° to that of mother 
zooecium. Ovicell unknown. 
Dimensions. — Zooecium: length, 066 mm., width, 042; aperture: 
diameter, O' 10. 
Observations . — This species is characterized by its rotund 
zooecia and the conspicuous constriction between the distal 
termination of the vittae and the scapular compartments. 
Sub-family Scuticellinae Stach, 1934. 
Genus SCUTICELLA Levinsen, 1909. 
Scuticella subventricosa sp. nov. 
(PI. XVIII, tigs. 8, 9, 10, 11.) 
Catemcella monstrosa Goldstein MS., Jelly, 1889, p. 38 ( nomen nudum). 
Description. — Zooecium semi-elliptical in outline, the suprascapular com- 
partments extending distally beyond level of distal connecting-tube aperture ; 
greatest width, at level of scapular compartments, equals about two-thirds 
length of zooecium. 
The slightly convex proximal rim, with median shallow sinus, is situated 
in the middle third of the zooecium about one-third of the distance proximally 
from the distal connecting-tube aperture. Height of aperture equals three- 
quarters of the distance from the proximal rim to the distal connecting-tube 
aperture. 
The ovate sternal area has five to seven fenestrae, the most distal pair, 
when present, being of smaller size and occurring close to the proximal angles 
of the aperture. 
The scapular compartments, normally at the level of the aperture, usually 
face directly laterally. The suprascapular compartments face upward and 
project distally into acute processes above the level of the distal connecting- 
tube aperture. The distal infrascapular compartments extend to the middle 
level of the zooecium, the proximal infrascapular compartments extending 
to the proximal connecting-tube aperture ; both are laterally-directed. 
Axis of daughter zooecium inclined at about 40° to that of mother 
zooecium. 
The terminal gonoecium is oval in outline and surmounted latero-distally 
by a pair of laterally-directed avicularia with acute distal processes. The 
transversely semi-elliptical sternal area has five fenestrae. The proximal rim 
of the transverse aperture has a median broad shallow sinus. The supra- 
apertural area generally has a median and two lateral distally-placed small 
fenestrae, a median frontal pair and lateral large pair of proximal fenestrae. 
A pair of lateral compartments occurs on each side facing laterally. 
Dimensions. — Holotype: Zooecium: length, 0 63 mm., width, 0 46; aper- 
ture, diameter: 0T6; gonoecium: length, 115, width, 0 80; aperture: 
width, O' 38, height, 0 20. 
Variation. — Apart from the normal variation occurring in Catenicellidae 
(Stach, 1934) the following points are noted: The avicularia usually face 
laterally, but may vary greatly in size, some extending from the distal con- 
