
HALE—AUSTRALIAN CUMACEA 169 
Fifth pleon somite fully as wide as long and about as long as telsonic somite, 
with a row of fowr or five spines (whieh successively increase in size) on each 
side of dorsum; back of telsonic somite with median spine as in female, with dorso- 
lateral spines short, and with only insignificant lateral spines, 

Fig. 16. Sehizoirema aculeata, Adult male from the 
side and from above (x 50). Uropods with fifth pleon 
and telaonie somites of adult, male, ovigerous female and 
(juv.) not fully mature male (% 105). 
On the fourth and fifth peracon and first to fourth pleon somites there is 
a longitudinal, median depression between the paired elevations bearing the spines. 
First antenna with second and third peduneular joints subequal in length, each 
half as long as the first ; accessory flagellum single jointed, about one-fourth as long 
as first joint of main flagellum. 
Third maxilliped with basis longer than rest of limb; merus with an outer 
subdistal spine, preceding the usual plumose seta, which like one of the two on 
the outer apical lobe of the basis is unusually stout. 
