148 ATJSTEALIAN MAIACOSTRACA. 



279. Porcellana pulohella. 

 Porcellana pulohella, Haswell, 1. c. 



Carapace oval in outline ; surface very obscurely lineolate ; 

 lateral margins entire. Front broad, nearly straight, but with a 

 very obscure mesial lobe ; inner orbital angles very slightly 

 projecting. Chelipedes large, the right the larger; carpus 

 strongly tuberculated above, armed with two conical teeth inter- 

 nally ; propodos ornamented externally with four longitudinal 

 ridges, strongly tuberculated in the smaller chelipede, nearly 

 smooth in the larger, and separated by deep sulci. Ambulatory 

 legs with a few obscure granules above. Length of carapace 

 i in. Colour cream colour, with six rounded orange spots on 

 the carapace, and others on the chelipedes and ambulatory limbs. 



Holborn Island, 20 fathoms ; Port Molle. 



This species is allied to P. seulpta, Milne-Edwards, but differs 

 from it in having two teeth on the anterior border of the carpus ; 

 from P. piswm it is distinguished by the possession of the flat 

 tubercles on the carpus, and the longitudinal sulci on the 

 propodos. 



280. Porcellana vigintispinosa. A.M. 

 Porcellana vigintispinosa, Haswell, 1. c. 



Carapace faintly lineolate ; front trilobed, the middle lobe 

 sub-acute, more prominent than the lateral which are obscure ; 

 four minute acute spiniform teeth on the lateral border just 

 behind the eye, the last of the four the largest ; further back 

 and separated by an interval from these are six more acute teeth, 

 the first three very small, the last three larger. Left chelipede 

 larger than the right ; merus strongly crested internally, the 

 crest armed with one or two obscure denticles ; carpus with a 

 sharp crest, divided into three teeth in its proximal portion, 

 entire in its distal portion ; propodos rounded, smooth. Length 

 ■fVin. 



Holborn Island, 20 fathoms (Mr. Alex. Morton). 



281. Porcellana nitida. A.M. 

 Porcellana nitida, Haswell, 1. c. 



Carapace a little longer than broad, closely lineolate. Front 

 prominent, trilobed, the central lobe much larger than the 



