
158 RECORDS OF THE S.A, MUSEUM 
Colour, pale orange, with a dark irregular brown band across anterior part 
of carapace. 
Adult male Granulation of integument a little more pronouneed than in 
female, 
Carapace more than one-third of total length, slightly depressed and twice 
as long as deep; from the side the dorsum is almost evenly rounded, scarcely -ele- 
vated posteriorly, and the pseudorostrum does not form a decided angle as in the 
female. Antennal angle less prominent, the margin behind it serrate. 
a 

Big. 9. Nannaatacus sheardi, type female and paratype male; ant., mxp, and prp., first 
antenna, third maxilliped and peraeopods: urop., uropods with fifth pleon and telsonie somites 
(all % 86), 
First pedigerous somite short, its pleural parts concealed. Fifth pleon and 
telsonie somites resembling those of female. 
Peraeopods (apart from sexual differences) much as in female but the second 
is three-fourths as long as the first and has the dactylus longer, the carpus being 
shorter than it. 
Pedunele of wropod more than one-third as long again as telsonie somite but 
only about one-sixth longer than endopod, the rami being a little longer than in 
female ; exopod four-fifths as long as endopod without distal spine; endopod with 
four spines (preceded as in female by tiny spinules) on inner margin, the sub- 
terminal almost half as long as terminal, which is less than two-thirds the ramus 
and shorter than exopodal spine. 
Length 1:59 mm, 
Lee. South Australia: St. Vincent Gulf, Brighton, on shingle bar (type fe- 
male, K. Sheard and B. C. Cotton, Mar., 1937 ) ; Wardang Island, 2 fath. (K. Sheard, 
submarine light, Feh., 1941) ; Sir Joseph Banks Group, on reef of gneiss roeks 
(B. C. Cotton, Dee., 1936). Types in South Australian Museum, Reg. No. C. 
2607-2609. 
