
HALE—AUSTRALIAN CUMACEA 71 
KEY TO SPECIES OF CYCLASPIS. 
SECTION 1. 
Sides of carapace without ridges or tubercles in either sex. 
Viewed from above the lateral contour of the carapace is always evenly curved 
or slightly sinuate from posterior margin to front of pseudorostral lobes and it is 
never abruptly wider across the region of the last-named. 
Usually polished and perfectly smooth except for the universal reticulate 
patterning, but sometimes slightly roughened owing to the presence of granules 
(granulosa, sheardt, ete.), or raised edges of reticulations (clarki) or many fine 
striae (costata and strigilis). 
1. 
10. 
11. 
(= 
to 
13. 
14. 
15. 
16. 
Front margin of carapace with an acute, forwardly directed spine on each side, below antennal 
angle = ae oa .. caprella Hale. 
No spines at front of carapace os as ot -s nee Pipe 
A prominent tooth on mid-line of dorsum of carapace as cl 8 
No prominent tooth on mid-line of dorsum of carapace ++ oe A 
A small median dorsal tooth at base of ocular lobe; rami of uropod slender, with simple 
apices bicornis Zimmer. 
No tooth at base of ocular lobe; rami of uropod wide, with articulated apical spines 
unicornis Calman. 
Pseudorostral lobes meeting for an appreciable distance in front of ocular lobe .. 
Pseudorostral lobes barely or not meeting in front of ocular lobe (levis group) tk. 
Eye entirely absent ish ala wai Be 
Hye developed, prominently pigmented (picta group) es 2% + tees 
Carapace subglobose; pseudorostrum short. Peduncle of uropod shorter than rami 
longicaudata Sars. 
Carapace PORIpHERPEM paprmoronrres ic Pedunele of neAEeS more than twice as long 
as Tami ‘ carinata Zimmer. 
Carapace with a tore, median, dorsal projection at Nisbet end . .. gibba ‘P- nov. 
Carapace without median, dorsal projection at posterior end 8. 
Carapace with many longitudinal rows of minute granules. Pedunele of aver not idee 
than telsonic somite costata Calman. 
Carapace smooth. Peduncle of uropoda much longer than telsonic somite .. . 9 
Both rami of uropod with at least one articulated terminal spine ‘s -. 10. 
Both rami of uropod without terminal spine aus va ws .. di. 
First peraeopod short, with carpus not reaching level of antennal tooth. Rami of uropod 
barely half as long as pedunele .. picta Calman, 
First peraeopod long, with carpus reaching level of ‘antennal tooth. Rami of uropod about 
two-thirds as long as peduncle fo en varians Calman, 
Peduncle of uropod one and two-third times as ng é as re which bears a mucro. Carpus 
of first peraeopod one-third as long again as propodus .. lucida sp. nov. 
Peduncle of exopod not or little longer than exopod, which is without mucro, Carpus of first 
peraeopod not longer than propodus + fies a .p 1h 
Setae of third to fifth peraeopods long; five on carpus, the abies sogehiiee for nearly half 
their length beyond tip of daetylus -. mollis sp.nov. 
Setae of third to fifth ak ds short; three on “carpus, none reaching beyond tip of 
dactylus fulgida sp. nov. 
Endopoda. of enous with apex acute dni without articulated forint spines .. 14, 
Endopoda of uropoda with at least one articulated terminal spine eid ely 
Exopoda of uropoda with apex acute and lacking terminal spines or mucrones .. 15. 
Exopoda of uropoda with one or more articulated terminal spines or mucrones 23 WS 
Carapace with numerous fine longitudinal striae a at strigilis sp. nov. 
Carapace without longitudinal striae ¥ a ey m4 wir 6: 
Carapace with a low median dorsal projection at posterior end .. 7 .. 17. 
Carapace without median dorsal projection at posterior end .. ws 218} 
