244 ATJSTBALIAN MALACOSTBACA. 



longer than the superior pair ; flagelhim more than twice as 

 long as the peduncle ; the segments short, broader than long, 

 ornamented at the distal end with a fasciculus of curved seta? 

 both above and below. Gnathopoda subequal, bordered with a 

 fringe of short hairs on the meros, carpus and propodos ; pro- 

 podos ovate; palm undefined. Bami of posterior pleopoda 

 foliaceous, serrated on the borders, the serrations armed each 

 with one or two short setae. Telson triangular, truncate, cleft 

 in rather more than half its length. Length i in. 

 Port Jackson. 



433. Atylus microdeuteropus. A.M. 

 Atylus microdeuteropus, Haswell, 1. c, Vol. v., p. 102, pi. vi., 



fig- 3. 



Eyes oval, large, but separated by a broad space above. 

 Superior antenna? rather longer than the cephalon and first three 

 segments of the pereion, the flagellum nearly twice as long as 

 the peduncle, its articuli armed distally with short hairs above 

 and below — every third or fourth having its distal and inferior 

 angle dilated and crowned with auditory cilia. Inferior antenna) 

 about half the length of the animal, the flagellum more than 

 twice as long as the peduncle. Anterior gnathopoda with the 

 propodos ovate, the palm oblique, with three short spines near its 

 proximal end ; a strong appressed spine on the propodos over the 

 insertion of the dactylos ; dactylos toothed internally. Posterior 

 gnathopoda rather smaller than the anterior pair, propodos ovate, 

 armed with three stout spines near the distal extremity of the 

 palm ; palm oblique ; dactylos toothed internally. Eami of the 

 last pair of pleopoda armed laterally with a few short setae in 

 the axil of each of which is situated a delicate hair. Length 

 nearly \ in. 



Port Jackson ; Botany Bay. 



434. Atylus megalophthajmus. AM. 

 Atylms megalophthalmus, Haswell, 1. c, p. 102, pi. vi., fig. 4. 

 Eyes Tery large. Superior antenna? as long as the cephalon 



and pereion ; flagellum twice as long as the peduncle, every 

 second articulus very slightly dilated at its inferior and distal 

 angle. Inferior antennas longer than the superior pair, the 

 flagellum about three times as long' as the peduncle. Gnathopoda 



