in the British Museum. 445 



Dimensions. 



mm. 



Long, corporis (il 



„ capitis 7 



,, prouoti (i 



„ nie-oooti 10 



,, tegminum 7 



„ fern, ant 11 



llab. Santarem, Lower Amazons, March 1806. Taken in 

 the forest by Mr. F. O. Pickard-Cambridge. 



The lower carinas of the thorax and the coxae are dis- 

 tinctly tuberculate. The thorax is strongly granulated and 

 tuberculate ; the prothorax has rows of small tubercles in 

 front, behind, and at the sides j also in the middle, where 

 two are larger and more conspicuous than the others. The 

 mesothorax has three broad obtuse spines on each side of the 

 double median carina, two in front, and the other about the 

 middle. Abdomen with irregular zigzag lines of rugosities, 

 those on the back of the penultimate segment and the one 

 before enclosing long oval spaces. 



A very peculiar species, probably belonging to a new 

 genus, which, however, I do not wish to found upon a single 

 specimen, perhaps immature. It is not unlikely to possess 

 wings when fully developed, but it differs conspicuously from 

 Prisopus and its allies by the much broader and shorter 

 tegmina. 



Subfam. XIV. Pseudophasminjs. 

 Phaamidce, pt., Brunner. 



Genus Dajaca, Brunner. 



Brunner proposed this genus for an undescribed Bornean 

 species of which the Museum possesses a specimen, unfortu- 

 nately in too poor condition to describe. 



Genus Olcyphides, Griff. 

 || I'hocylidus, Stal (nee Pascoe). 



Olcyphides iridescens, sp. n. 



Long. corp. 73, long. tegm. 6, lat. 3, exp. al. 93, hit. 

 21 mm. 



Female. — Head black below and at the sides as far as the 

 level of the eyes; a black space between the antennae and a black 

 curve behind the ocelli ; antenuui black, the scape greenish, the 



