
166 RECORDS OF THE S.A, MUSEUM 
Third maxilliped without exopod and with ischium poorly defined ; propodus 
a little longer than carpus, . 
First peraeopod with basis very short, much less than half as long as the 
elongate remainder of limb; propodus little longer than carpus and less than twice 
as long as dactylus. 
Second peraeopod two-thirds as long as first; basis subequal in length to rest 
of limb; carpus not much longer than merus, and about as long as propodus and 
dactylus towether; dactylus short and broad, little longer than propodus, and 
shorter than its longest distal spine. 
Carpus of fifth peraeopod shorter than propodus, which is longer than dac- 
tylus. 

Fig. 14. Nunnastacus johnstoni, lateral view and dorsal 
view of cophalothorax of type female (X* 56). 
Pedunele of uropod, two thirds as long as telsonie somite and half as long as 
endopod, exclusive of its terminal spine; exopod fully one-seventh as long as 
exopor and with its terminal spine reaching just beyond three-fourths of length 
of latter; endopod with three short spines on inner margin, all equal in length, 
and with terminal spine halt the length of ramus, 
Length 1-45 mm. Ova in greatest diameter 0:15 mm. 
Colour yellow, with dorsum pale brown. 
Adult male. The usual sexual differences are exhibited. The basis of the 
first four peraeopods is very wide (about twice as long as wide) and there are 
the nenal lamellate teeth on the anterior pairs (see fig. 15). 
Uropod relatively longer than im female; peduncle three-fourths as Jong as 
telson, and Jess than half as long as endopod exelusive of terminal spine; exopod 
less than one-eighth as long as endopod and with its terminal spine reaching just 
beyond middle of length of latter; endopod with six spines on inner margin, 
successively increasing a little in length backwards, and with distal spine fully 
one-third length of ramus. 
Length 1+5 mm. 
Lae. New South Wales: Svdney; Vaneluse, on stones, between tide marks 
(type loc, T. H. Johnston, Jan., 1937) and Shark Tsland. on stones (K, Sheard, 
