

152 RECORDS OF THE S.A, MUSEUM 
Loc. South Austalia: Page Is., 9 fath. (K. Sheard, submarine light, April 
1941, 7 to 7.30 p.m.). Type in South Australian Museum, Reg. No. C. 2331. 
CYCLASPIS CANA sp. DOV. 
Adult male, Integument strongly calcified. 
Carapace small, less than half length of pleon and about one-fourth of total 
length; a little more than twice as long as depth, which is slightly less than great- 
est width; dorsal margin in lateral view scarcely at all arched ; surface not pitted, 

Fig. 51. Cyclaspis cana, type male; A, lateral view; B, carapace and first four pedigerous 
somites from above; ©, fourth and fifth pedigerous somites from the side. (A and B, ™ Lhd; 
Cc, * 32). 
with very fine reticulate pattern, and with minute sparse spinules; there is a well- 
marked, spinose, median longitudinal carina for whole length and a short groove 
leading back from the antennal notch; on each side are four rounded tubercles, 
one (upper antero-lateral tubercle, from which extends obliquely forward an ob- 
solete spinose ridge) on the hinder portion of the pseudorostral lobe, one below 
this, one immediately behind the termination of the pseudorostral lobe, and one 
at same level, at two-thirds of length; a feeble infero-lateral tuberele ig also 
