152 AUSTBALIAIT MAIACOSTBACA. 



Sub-Tribe Lithodea. 

 Carapace sub-triangulate as in the Maioidea. Abdomen broad, 

 almost symmetrical. None of the feet natatorial, the second, 

 third, and fourth alike, the fifth small, inflexed beneath the 

 carapace. 



Genus Lomis, Milne- Edwards. 

 Carapace depressed, rostrum rudimentary ; surface tomentose. 

 Ocular peduncles triangular. Fifth joint of the outer maxilli- 

 pedes very broad. Chelipedes very large, broad, and depressed. 

 Following three pairs of legs with the last joint sub- conical ; 

 last pair very slender. 



287. Lomis hirta. A.M. 



Porcellana hirta, Lamarck, Hist, des An. s. Vert., t. v., p. 229 ; 

 Desmarest, Consid., p. 295. 



Lomis hirta, Milne-Edwards, Hist. Nat. Crust., ii., p. 188 ; 

 Hess, Archiv fur Naturg., Band xxxi., p. 159, pi. vii., fig. 15 

 (1865). 



Body covered above with very short close down. Hands as 

 broad as the carapace, carpus as large as the arm, nearly 

 quadrilateral. 



Tasmania. 



Section ANOMOURA INFBBIORA. 

 Eyes anterior to the first pair of antennae. Second pair of 

 antennae posterior and external to the eyes. Abdomen elongate, 

 scarcely inflexed, with caudal, and often ventral appendages. 



Sub-Tribe Pagttbidea. 

 Carapace more or less elongated, and of softer consistency 

 behind. Eyes pedunculate, not retractile, and directed forwards. 

 External maxillipedes pediform. Abdomen usually soft, unsym- 

 metrical, with unequal appendages. Anterior legs with a well- 

 developed hand. Eourth and fifth pairs of ambulatory legs 

 short, raised above the rest, and usually didactyle. 



Genus EupAGiTEtrs, Brandt. 

 Front acute in the middle. Ophthalmic segment exposed, 

 without a mobile scale. Eye-peduncles of moderate size. 



