AUSTRALIAN MAIACOSTEACA. 109 



Carapace as in S. atrorubens. Front also divided into four 

 lobes ; the lobes not so prominent as in 8. atrorubens. Legs as 

 iu the preceding species, only with the ischia broader and shorter. 

 Chelipedes of the female very small. Hands not beset with 

 tubercles. Each finger with three larger teeth. Colour dark 

 red. [Hess.'] 



Sydney (Hess). 



Probably, as suggested by Hess, the female of the preceding. 



200. Sesarma Schutteii. 



Sesarma Schutteii, Hess, 1. c, p. 150, pi. vi., fig. 11. 



Carapace sub-quadrate, lateral borders almost straight, a little 

 curved anteriorly, with three teeth, of which the two behind the 

 orbital tooth are very small. Front inclined downwards, with 

 four lobes, of which the lateral are smaller and scarcely distin- 

 guishable from the larger middle ones. Legs lon'g and thin, 

 chelipedes bent. Carpus strongly granulate, and with a larger 

 tubercle in the middle of the outer surface ; fingers equally 

 toothed on their outer side ; mobile finger strongly arched, 

 armed with three larger teeth. Colour dark brown; legs 

 lighter. [Hess.] 



Sydney. (Hess.) 



201. Sesarma erythrodaotyla. 



Sesarma erythrodaotyla, Hess, 1. c., p. 151, pi. vi., fig. 10. 



Carapace sub-quadrate, sides without teeth, arching downwards 

 immediately behind the orbital tooth. Front provided with four 

 lobes, distinctly separated from one another, but not very 

 prominent. Legs flattened, ischium strongly tuberculated, the 

 rest of the joints ornamented with hairs chiefly on the lateral 

 border. Carpus granulated. Outer border of the mobile finger 

 ribbed. Inner border of both fingers with two larger teeth, 

 between which are several smaller ones. Colour yellowish. [-Hess.] 



Sydney (Hess). 



Sub-Family Plagusiinm* 

 Internal antennae exposed, and each visible from above in a 

 longitudinal sinus of the front. Third joint ^of the external 



*Vide E. J. Miers, Mevision of the Plagusiince, Ann. and Mag.' Nat. Hist., 

 Feby., 1878, pp. 147-154. 



