240 FAUNA HAWAIIENSIS 



the foveae thereon deep and remarkably conspicuous. The thorax is transverse, 

 scarcely narrower at the base than in front. 



W.\Y>. Oahu. Not rare, generally in company with M. nmtabilis (Blackburn). 

 Near Honolulu, rare (Perkins). 



(i8) Mitronienus bardns, Blackburn. 



Anchomenus bardns Blackburn, Ent. Mo. Mag. xiv. 1877, p. 146. 



This is a peculiar species of dull brown colour, with broad convex, deeply striated 

 elytra, and transverse thorax which is just perceptibly broader at the base than at the 

 front angles. It is apparently extremely rare. 



Hab. Oahu. Mountains (Blackburn) : Mountains near Honolulu, 2000 — 3000 ft. 

 (Perkins). 



(19) Metronicmis oceanicus, Blackburn. 



Anchomemis oceanicus Blackburn, Ent. Mo. Mag. xiv. 1877, p. 146. 

 This remarkable insect has not been found by Mr Perkins and remains unique. It 

 has an extremely narrow, long head. 



Hab. Oahu. "Mountains, apparently very rare" (Blackburn). 



(20) Metromemis fugitivus, Blackburn. 



Anchomemis fugitivtis Blackburn, Ent. Mo. Mag. xiv. 1877, p. 147. 



Similar to AI. fraternus in colour, but with very deeply striated elytra and a broader 

 thorax. 



Hab. Oahu. Rare, 2000 ft. (Blackburn). Under stones in wet gulches of Koolau 

 Range, far back of Waialua, 2000 ft., January 1893. Mountains near Honolulu, July. 

 Wahiawa, April. On Piptiinis, back of Tantalus. Always rare (Perkins). 



(21) Metromemis protervus, Blackburn. 



Anchomemis protenms Blackburn, Ent. Mo. Mag. xiv. 1877, p. 145. 



This also is a species with deeply striate elytra, which are yellow to a small extent 

 at the tip. It differs much from A. fugitivus by the narrow head and thorax. 



Hab. Oahu. In various localities on the mountains but not common, under bark 

 (Blackburn). Behind Pauoa valley. Mountains near Honolulu. On Piptiints back of 

 Tantalus. Very rare (Perkins). 



