

382 RECORDS OF THE S.A. MUSEUM 
wards, and of third and fourth markedly backwards, the coxae of second and third 
peraeopods very widely separated ; as on carapace there are a few pellucid dorsal 
spots and each somite has a median dorsal wavy line, absent on carapace. 
Pleon barely longer than carapace; fifth somite not much longer than sixth, 
which is considerably depressed, a little wider than long; telson short (about three- 


tig. 17. Gynodiastylis carinirostris, paratype ovigerous female; ant., first and secona 
antennae ( 56); mxp., second and third mawxillipeds (XX 56); prp., first to third peraeopods 
(X 56); urop., uropod with fifth and sixth pleon somites, and telson (X 56; spines of endopod, 
X 126); tels., distal end of telson (XX 286). 
fourths as long as sixth somite), subconical, with two short, stout apical spines, 
two pairs of lateral bristles and with lateral serrations in distal third; there is no 
distinct post-anal portion. 
First antenna with first joint of peduncle as long as rest of appendage includ- 
ing flagellum ; second joint shorter and stouter than third. Second antenna three- 
jointed with long plumose setae. 
Mandible with nine or ten spines. 
