

418 RECORDS OF THE S.A. MUSEUM 
slightly longer than exopod, with a distinct suture marking off a proximal joint 
which is half as long! as the rest of the ramus and a faint groove (but no actual 
suture) dividing the remainder into two portions equal in length; inner margin 
with only three spines, one at distal end of first joint, one at the aforementioned 
groove and one alongside the terminal spine, which is a little longer than that of 
exopod and as long as the proximal joint of its ramus. 
Colour cream. Length 2:6 mm. 

Fig. 44, Gynodiastylis concava. Type female; prp., first to third peraspods (x 70; distal 
joints of second leg, X 150). Paratype ovigerous female; ant., first antenna and upper lip 
(x 70; Hagells > 150) ; mxp., third maxilliped (XX 70); urop., uropod with fifth and sixth pleon 
somites, and telson ( 70); tels., distal end of telson (Xx 300), 
Loc. New South Wales: 4 miles off Eden, 70 metres, in silt (type loc., K. 
Sheard, Oct., 1943). Tamasnia: off Babel Island, 39° 55’ S., 148° 31’ E., 0-50 
metres (‘‘Warreen’’ Station 29, Jan., 1939), 
A single female comes from Tasmania; it has the marsupium not fully deve- 
loped, but is 3:3 mm. in length, thus being larger than ovigerous females from. 
New South Wales. 
This species resembles tumida in some respects, but is separated by the 
different proportions of the appendages, the absence of lateral prominences on 
the dorso-lateral folds of the carapace of the adult, the different telson, etc. 
