24 AUSTRALIAN MAXACOSTBACA. 



Carapace triangulate-oblong, narrowing anteriorly ; its whole 

 surface covered with close-set but very prominent granules, 

 which tend to become small spinules ; rostrum composed of two 

 very small, truncated, sub-vertically deflexed spines. Lateral 

 margins armed with six spines, including the postocular, which is 

 bifid. The sides of the body, beneath the lateral spines granulated. 

 Eye-peduncles very long, compressed, with a small blunt tooth 

 on their anterior margins. Basal antennal joint with a very small 

 spine at its antero-external angle. 



Port Lincoln ; Port Philip ; Port Jackson. 



38. Micippa spatulifrons. 



Micippa spatulifrons, A. Milne-Edwards, Nouv. Arch, du Mus., 

 t. 8., p. 240, pi. xi., fig. 3 ; Haswell, Proc. Linn. Soc. N.S/W., 

 Vol. iv., p. 445. 



Rostrum very obliquely deflexed, contracted at the base, and 

 dilating gradually towards the extremity, terminating in four 

 points of which the two median are directed downwards, and the 

 two lateral outwards. Superior orbital border with two shallow 

 fissures behind, its external angle forming a triangular tooth. 

 Basal joint of the external antennae smooth, its outer border 

 nearly straight. Carapace flattened, strongly depressed on each 

 side of the gastric region, covered with granulations, but without 

 points or spines. Lateral borders nearly straight, ornamented 

 with flattened tubercles or irregular denticles ; a very small spine 

 on the posterior branchial region. Posterior border with a row 

 of close-set tubercles. 



Cape G-renville (Macleay Museum). Pound also in New 

 Caledonia. 



39. Micippa inermis. A.M. 

 Micippa inermis, Haswell, Proc. Linn. Soc. N.S.W., Vol. iv., 



p. 445, pi. xxvi., fig. 3. 



Carapace uniformly tuberculated. Rostrum nearly vertically 

 deflexed, with a deep longitudinal mesial furrow ; ending in two 

 sub-triangular horns curved slightly outwards and separated by 

 a wide triangular notch. Upper orbital border very prominent, 

 ending behind in a blunt spine ; fissures of the upper orbital 

 margin deep. Lateral borders of carapace with a row of short 



