
364 RECORDS OF THE S.A. MUSEUM 
25. Telson with an insignificant post-anal portion, armed with a pair of terminal spines flanked 
by a pair of short lateral spines, Endopod of uropod trisegmentate (female) 
*atrumosd ep. NOV. 
Telson with slightly Jonger post-anal portion, armed with a pair of terminal spines, flanked 
on each side by a long bristla. Endopod. of uropod bisegmentate in both sexes 
margarita sp. nov- 
26. Lower part of sides of carapace with four longitudinal ridges ., *pochfordi sp. nov, 
Lower part of sides of carapace with at most one longitudinal ridge “4 
27, Carapace with two pairs of longitudinal ridges on posterior half of dorsum. Telson unarmed 
quadricristata ap. nDy. 
Oarapace with one pair of longitudinal ridges on back. Telson armed with at least a pair 
of terminal spines a “ re ve . -, 28. 
28, Carapace almost smooth and without distinct excavation on the sides, which, as seen from 
above are evenly curved. Hach lateral margin of telson incised to form a large tooth 
brevipes sp. nov. 
Carapace with large lateral deprossions, so that the sides, as seen from above, ate uot evenly 
eurved, Lateral margins of telazon emooth or finely serrate, with no large teeth -. 29. 
49, Becond perseopod with basis longer than the abbreviated remainder of limb concava sp, nov, 
Second peraeopod with basis shorter than reat of limb “13 ey -- 30- 
30, Dorso-lateral carinae of carapace with prominent lateral projections in adult, Toelaon with. 
a bristle on each side near terminal spines. Carpua of second psracopod not ag long as 
ropodus and dactylus together us ss a4 tumida (Hale). 
orso-lateral carina. of carapace without projections. Telson with a short epine on each 
side of terminal spines. Carpua of second peraeopod longer than propodus and dactylus 
together 4 us ve oe ee *robusta ap. nov. 
GYNODIASTYLIS ROCHFORDI sp. noy. 
Subadult male, Interument rather strongly calcified and brittle, 
Carapace a little less than two-fiths of total length of animal and twice as long 
as the pedigerous somites together; it is depressed, fully twice as long as deep, 
and is marked with clear cut longitudinal earinae; apair of these are dorso-lateral, 

Fig. 3. Gynodiastylia rochfardi, type subadult male; lateral view and cophalothorax from 
above (3% 25). 
arising on sides of pseudorostrum, curving around outside of frontal lobe and each 
meeting a ridge tunning from just inside end of suture of frontal lobe and extend- 
ing to hind margin; inside these is a pair of dorsal ridges on posterior half, with a 
pit alongside their hinder ends, and inside these again a pair of shorter ridges at 
