
HALE—AUSTRALIAN CUMACEA 171 
KEY TO AUSTRALIAN SPECIES OF CUMELLA. 
1. Pedunele of uropod distinetly longer than telsonie somite 2. 
Pedunele of uropod at most only as long as telsonic somite = 5. 
2, Carapave with a marked dorsal tumidity at posterior end oh .. gibba Zimmer. 
Cavapace with no tumidity at posterior end a¢ at ie bi, abe 
3. Carapaee well arehed dorsally. Pseudorostral lobes not projecting in front of ocular lobe, 
Exopod of uropod much shorter than endopod Pe eycluspoides Zimmer, 
Garapace with dorsal edge practically horizontal, Pseudorostral lobes projecting in front 
vf veular lobe to form a short but distinct pseudorostrum. Exopod of uropod as long, or 
almost as long, as endopod .. ‘ be a o's * 
4, Inner margin of endopod of uropod with spines along practically whole length mwrot sp, nov. 
Tiner margin of endopod of uropod with spines restricted to distal third = .. cana sp, nov, 
5. Terminal spines of rami of uropods not distinctly marked off. . te o. G 
Terminal spines of rami of uropods distinctly marked off 7 turgidula sp. nov, 
6. Adult female with two small median dorsal spines on carapace and with pleon not much 
shorter than cephalothorax. Carpus of fifth peraeopod much longer than ischium and merus 
together as 1% in + hispida Calman. 
Adult female with no dorsal spines on carapace and with pleon only three-fourths as long as 
cephalothorax, Carpus of fifth peraeopod not much longer than ischium and merus together 
michaelsent Zimmer. 
CUMELLA MUNROL §p. oy. 
Ovigerous female. Form as in laevis Calman, the back of the carapace almost 
horizontal and the pseudorostrum very short and truncate in front, Imtegument 
with short sparse hairs. 
First antenna with last two joints of pedunele subequal in length, and first 
joint two-thirds as long again as either; accessory flagellum distinct, main. lash 
not longer than last peduncular joint. 

Pig. 17. Cwmella munroi, lateral view and dorsal view of cephalothorax ot type adult. male 
(x 50). 
First peraeopod with basis, as in laevis, short, less than half as long as rest 
of limb; earpus shorter than propodus aud daectylus together; propodus two- 
thirds as long again as dactylus, 
Second peraeopod with basis about four-fifths as long as rest of limb; dacty- 
lus as long as earpus and propodus together and almost as long as merus and car. 
pus together; longest. terminal spine of dactylus as long as the joint. 
Fifth peraeopod with carpus nearly half as long again as propodus, which is 
not as long as the slender dactylus. 
