
HALE—AUSTRALIAN CUMACEA 381 
Uropod with the unarmed peduncle fully as long as telson, and slightly ex- 
eeeding endopod in length; exopod little shorter than endopod, with terminal spine 
stout, less than half as lone as the ramus and three times as long as an onter sub- 
terminal spine ; endopod composed of three joints, the first equal to combined length 
of the other two, which are subequal in length; inner margin of endopod wiusually 
well endowed with spines for temale of the genus, there being seven, four and three 
on the respective joints; terminal spine short and stout, not. exceeding last joint 
in length, 
Colour milky white. Length 4-4 mm. 
oc. New South Wales: Ulladulla, 75 metres (K, Sheard, A, Trawl, June, 
1944). Type in South Australian Museum, Reg. No. C. 2671. 
This species bears a general resemblance to polita but is at once distinguished 
by the shorter first peraeopod, the considerable differences in the other appendages 
and above all by the very different telson. 
GYNODIASTYLIS CARINIROSTRIS Sp. nov. 
Oviyerous female, Integument lightly calcified, not. at all brittle, but tough 
and not easily torn. 
Carapace one-third of total Jeneth of animal and barely longer than pedigerous 
somites together ; it is almost twice as long as deep; from above it is subtriangular, 
widest near posterior end, where it is distinetly wider than deep; pseudorostral 

aud cephalothorax from above (XX 24), 
lobes each a sharp, longitudinal, dorsal carina running from apex ta ocular lobe; 
posterior half of carapace with a faint median dorsal depression, flanked at hinder 
end by a pair of pits; sides without sculpture except for a very shallow, short, 
curved furrow extending back from antero-lateral angle; antennal notch distinct 
and angle acute, Pseudorostral lobes narrow, acute anteriorly, meeting for a 
distance equal to fully one-fifth of length of carapace. Ocular lobe rounded, wider 
than long, with three colourless corneal lenses, 
Pedigerous somites smooth, the first much shorter than any of the others which 
do not differ markedly in length; pleural parts of second and third expanded for- 
