
HALE AUSTRALIAN CUMACEA 183 
37. Moria of third maxilliped a8 long as carpus and propodns together He .» B8: 
Morus of third maxUiiped much shorter (han carpus and propedna together . od 
38, Fifth ploon somite with feohle transverse sulens. Firat two pedigerois somites elevated 
florgally to form pro-vurved lamellae s . ot 2 BEFTUCOSA Bes, 
Fifth ploon somite with strongly developad (vansverse sulcus. Firah two pedigerous somites 
not Clevated dorsally ta iis i . Gaperd. Bp. NOV, 
29. Pleo somites without dursal teeth, al most with feeble tubercles on first three somites». 40, 
Ploow somites with dorsal tueth . antaretica Malman. 
40. No depressed area on sides of carapace. Merus of third maxilliped not expanded on inndr 
sidy. Daelylis of second persvopod burely ag long as carpus. ; »» nodulosd Bara. 
A depresaed area on cach side of carapace. Merns of third maxilliped triangularly expanded 
oninnor side, Daetylus of second perauupod longer than carpus . . globosd Tlansen, 
41. Dactylus of sesond peraeopod almost equal in leigth fo mous, carpus nud propodus together, 
and with & terminal lobe extending beyond insertion of the mowt distal of the setae =, 42, 
Dactylus of second paracopod at mout ax long ax carpua and propodus together, and with 
Wistal setae quite terminal ar rie wi rr 1 48, 
40. Psaondorostrum relatively long, the lobes mooting for w distance equal to oe-seventh length 
of carapace, 'uborcules of enrupace few and large .. ws rostrata Calman, 
Peendoroatrum shorter, the lobes meeting for a distance equal lo one-tenth longth of carapace. 
Tubereles of carapace small und numerous a inh thetidix sp. moy, 
43. Merus of third maxilliped more than halt as long ugain us carpus 44, 
Merus of third maxilliped wel less than half as Jong again as carpus maculata Zimmer. 
44. Sidos of carapace wilh Uhree diatinet folds, the uppermost two of whieh bear large rounded 
tuberelos . As os « i intermedia Hansen. 
Sides of carapace without carinae bul the depression bordored with rows of large eonieal 
tubercles os on “¥ oe = rm) .. #5. 
48. Outer margin of merus of third maxilliped strongly dentate «— horridivides Btephensen, 
Outer margin of merus of third maxilliped not dentate | horrida Bars. 
OCAMPYLASPIS THOMPSONT Sp. NOV, 
Ovigerous female, AIntegument strongly ¢aleifled with fhe small retienlate 
patterning somewhat diffuse. 
Curapace sparsely clothed with short hairs, without sculpture except for a 
very fine median line, and with pellucid spots on anterior portion; strongly vaulted 
above, ovoid in shape as seen from above, with greatest width nearly two-thirds its 
fength, and equal to its depth; it is more than one-half the total length of the 
aninial. Antennal notch and angle barely indicated. Pseudorostral lobes sub- 
truneate in front and meéeting for a distance about equal in length to oevlar lohe 
whieh is us wide as long, subtriangular, barely at. all constricted at base, and with 
three corneal lenses, the median, at anferior end, divided inta two. 
Pedigerous somites not elevated dorsally and pleural portions not prominent ; 
first two almost wholly concealed. 
Marsupium not visible from the side, the ova (0-275 mm. in greatest dia- 
meter) completely concealed beneath the bulging carapace, 
Uleon somites with faint indieations of dorso-lateral carinae; fifth without 
traneverse suleus, lelsonic somite rounded distally and very little produced, 
Second and third peduneular joints of frst antenna subequal in length, each 
loss than two-thirds ag long as first; first segment of flagellum twice as long as 
second, 
First maxilliped with lerminal joint mmute, with one tiny seta; a score of 
vill-leaflets plus one veflexed. 
Terminal joint of second maxilliped with tour faleate spines; the outermost 
small and erowded, the longest reaching to about level of tip of distal spine of 
penultimate jot, 
Third maxilliped with basis wide and short, not quite as long as remaining 
joints togethers merus two-thirds as wide as long, as long as carpus, propodus and 
Jaciylus together, aud with margins serrate, but with no outstanding dentation 
