
112 RECORDS OF THE S.A. MUSEUM 
30 fath. (K. Sheard, Sept. 1942 and May 1943). Type in South Australian 
Museum, Reg. No. C. 2416. 
Males only, taken with submarine light. 
The spines on the inner margin of the endopod of the uropod vary from five 
to nine (proximal half) plus two to three; the exopod has seven or eight plumose 
setae at middle third in all examples. 
Separated from the related species by the characters given in the key. 
Easily determinable under low magnification are the absence of slight dorsal 
emargination of the carapace, and antennal ridge; the short rami of the uropoda 
in relation to peduncle and with mucrones on exopod, together with the long 
setae of the posterior peraeopods. 
levis group (¢). 
Carapace as in pura and nitida. 
Apex of endopod of uropod simple, that of exopod with spines. 
One Australian species, and one from New Zealand. 
CyYcLASPIS CALMANI Sp. noy. 
Cyclaspis levis Calman (nec Thomson), 1907, p. 8, pl. v, fig. 6-8. 
The present writer agrees with Calman in supposing some gross inaccuracies 
in Thomson’s description of levis but (with apologies to Dr. Calman) assumes 
that the uropods and terminal joints of the first peraeopods should have been 
reasonably clear to the author of the species and that his figures of these features 
are, with reservations, useful. 
The examination of a large number of specimens of various species of the 
levis group substantiates the fact that the presence or absence of terminal spines 
on the rami of the uropods or of mucrones on the exopod alone, provides a con- 
stant and reliable specific character. Thomson shows the apices of both rami as 
simple and it seems unlikely that he could have overlooked terminal spines while 
observing the armature of the inner margin of the endopod (see also notes under 
levis herein). 
The two species in question would be separated thus: 
Exopod of uropod with an apical spine. First peraeopods with propodus little longer than 
carpus. calmani. 
Both rami of uropod without terminal spine. First peraeopods with propodus much longer 
than carpus (nearly as long as merus and carpus together). levis. 
Cycuaspis corront Hale. 
Cyclasnis cottoni Hale, 1937, p. 62, fig. 1-2. 
Some adult males, up to 4 mm. in length, and secured by submarine light 
collecting in two fathoms, are available from Pt, Lincoln and Corny Point, Spen- 
cer Gulf, South Australia. The male allotype, also from Spencer Gulf, was not 
fully mature. 
The carapace of these males is wider in front than in the ovigerous female 
(Hale, ut supra, fig. 1, b) and the breadth across the front is about equal to that 
posteriorly; the ocular lobe is not much longer than wide, is black in colour, 
and bears nine distinct lenses; the middle three are black and are larger than 
the lateral ones, which are pale yellow and increase successively in size from 
front to back; the dorsal carina of the carapace reaches to apex of ocular lobe. 
The first antennae are a little longer than in the female. First peraeopods 
much as in female but dactylus is a shade shorter, two-thirds length of propodus, 
and has a strong terminal seta and two or three thinner and shorter setae, as 
