448 ON THE AUSTRALIAN BRACHYTTRA OXYRHYNCHA, 



Hob. Fiji ; Port Curtis (Brit. Mus.) 



I have seen no specimens of this species. 



Fam. III. PERICERIDJE. 



Genus Tiarinia, Dana. 



41. Tiarinia rnammillata, sp. nov. 



Carapace sub -triangular, broad behind, ornamented above with 

 pointed and mammiform tubercles, a cross formed by six of these 

 on the gastric region ; cardiac region with a prominent eminence 

 crowned by three rounded tubercles placed close together. Cornua 

 of the rostrum about half of the length of the post-frontal region 

 of the carapace, slender, pointed, contiguous throughout their 

 length. Orbit with a prominent pointed, slightly curved spine 

 above and in front, and a compressed spine behind. Anterior legs 

 in the male as long as the post-frontal region of the carapace ; 

 third joint with four small teeth on its upper surface, the terminal 

 one rather longer than the others ; hand compressed, smooth ; 

 fingers half the length of the hand, inner edges armed with teeth 

 in their distal half. Second pair of legs a little longer than the 

 first pair ; third joint armed above with a row of half a-dozen 

 small tubercles ; third joint of the two following pairs with two 

 or three tubercles ; that of the last pair smooth. 



Hah. Port Darwin (Macleay Museum) ; Woodlark Islands, 

 (Australian Museum). 



42. Tiarinia , sp.? 



Carapace ornamented above with numerous mammiform 

 tubercles which become elongated iuto short spines towards the 

 lateral and posterior borders. Postral cornua long, closely 

 approximated in the greater part of their length, divergent at the 

 tips, each armed externally with three acute spines projecting 

 outwards and slightly forwards — the central one the longest. 

 Upper orbital margin with a curved sub-acute spine at its anterior 



