230 Transactions. — Zoology. 



keels of all the femora with numerous blunt serrations. Fore 

 femora with four spines on the inner keel, none on the outer ; 

 middle femora with three spines on each keel ; hind femora 

 with about twenty-two spines on the outer keel and about 

 twelve larger spines on the inner keel. Fore and middle tibite 

 with three pairs of spines below. Hind tibias, above, with 

 thirteen to eighteen long spines in the outer and twelve in the 

 inner row, all nearly equal and at equal distances ; longest of 

 the apical spurs not more than half the length of the first joint 

 of the tarsus ; all the tibiae finely granulated. Sides of the 

 abdominal terga with scattered granules. 



Colours. — Chestnut-brown, darkening on the abdomen, 

 hind tibia3, and tarsi. Fore and middle tibiae and tarsi 

 yellowish, the articulations chestnut-brown. 



Length, 30mm.; pronotum, 10mm.; thorax, 18mm.; ab- 

 domen, 12mm. ; fore tibia, 26mm. ; hind tibia, 56mm. ; hmd 

 femur, 49mm. Width of mesonotum, 11mm. 



Localities. — Norsewood, on totara - trees ; Coromandel, 

 near Auckland. 



Described from two male specimens, one of which is Mr. 

 Colenso's type. The female is unknown. 



Genus Pachybhamma, Brunner. (1888.) 



Body rather stout, legs slender. Head vertical. An- 

 tennae thick, very long, touching at their bases, covered with 

 long hairs ; first joint much longer than broad ; the second 

 cylindrical, short ; the third narrower but not much longer 

 than the second, shorter than the first. Eyes large, semi- 

 circular. Fastigium rising abruptly, sulcate. Face flat, shin- 

 ing, glabrous. Maxillary palpi with the third and fourth 

 joints subequal, the fifth rather longer. Pronotum roundly 

 produced in front over the occiput, truncated behind. Sternum 

 very narrow. Metasternum with an elevated transverse ridge. 

 Legs long ; fore coxae touching each other ; hind coxae closely 

 approximated but not quite touching ; fore coxae armed with 

 a spine. Fore and middle femora each with a short, stout, 

 apical spine on the inner side ; hind femora with a pair of 

 apical spines ; all the femora sulcate below. Fore and middle 

 tibiae with two pairs of apical spines. Hind tibiae with three 

 pairs of apical spines, of which the superior pair is the 

 longest, the inferior pair the shortest ; above sulcate with 

 numerous small equal and equally -distant spines; below 

 rounded and finely granulated. The spurs on the hind tibias 

 with long hairs. First and second joints of hind tarsi with a 

 pair of small apical spines only. Supra-anal plate short, 

 rounded. Cerci rather long. Subgenital plate lanceolate, 

 produced. Ovipositor narrow, nearly straight. Subgenital 

 plate of female small, the posterior margin broadly emarginate. 



