

84 RECORDS OF THE S.A. MUSEUM 
Exposed pedigerous somites two, four and five with fine median dorsal ca- 
rina; dorsal portion of third somite very short, sides expanded; second deep, its 
dorsal margin sloping steeply back from level of upper edge of carapace. 

Fig. 12. Cyelaspis strigilis, type male; A, first antenna; B, C and D, first, seeond and third 
peraeopods; EH, telsonic somite and uropod. (A, X 130; B to EB, & 67; Cl, X 200). 
Pleon robust, the first to fourth and telsonie somites equal in length; each 
somite with a fine median dorsal earina that of telsonic somite terminating at 
anterior end of fused telson; articular pegs small but distinet. 
First antennae with accessory flagellum distinet; basal segment about as 
long as rest of appendage; second and third joints subequal in length, each a 
little shorter than the two-segmented flagellum, 
First peraeopod with carpus reaching to level of antennal angle; basis barely 
longer than rest of limb, with inner apical angle produced and external angle 
with a long plumose seta, which reaches well beyond apex of merus; propodus 
about one-half as long again as either merus, carpus or dactylus, the last three 
seements not differing much in length; ischium with a short external spine, and 
longest terminal seta of dactylus as long as the last-named, 
Second peraeopod with basis a little longer than rest of limb; ischium with 
a plumose seta; merus as long as carpus and propodus together, with a plumose 
seta and a subapical spine; carpus with two subapical spines; propodus less than 
half as long as dactylus, which is shorter than its longest terminal spine, 
