5IO FAUNA HAWAIIENSIS 



The Acriti and some other small forms have been studied very largely under a 

 Ross compound microscope with a |- inch objective and a no. z eyepiece. Without 

 some such power the characters cannot properly be made out. 



Carcixoi'S Marseul. 

 Carcinops Marseul, Ann. Soc. ent. France, 1855, p. S3. 



(i) Carcinops quatuordecimstriata, Stephens. 



Dendrophilus qiiatiiordecimstriatiis Stephens, 111. Brit. v. 1832, p. 413 ; Sharp, Tr. 

 Dublin Soc. in. 1885. p. 225. 



Hab. Cosmopolitan. Introduced into Hawaiian Archipelago ; Oahu (Blackburn, 

 Perkins). 



Saprixus Erichson. 

 Sapriiius Erichson. Jahrb. 1834, p. 172. 



(i) Sapriiius /iigcns Erichson. 



Saprinus lugeiis Erichson, Jahrb. 1834, p. 181 : Marseul, Ann. Soc. ent. France, 

 1855. p. 395 and pi. 16, fig. 34; Sharp. Tr. Dublin Soc. iii. 1885, p. 225. 



H.\B, Mexico, California, Vancouver. Introduced into Hawaiian Archipelago: 

 in decaying carcases all over the islands (Blackburn, Perkins). 



(2) Sapj-iiuis oregonensis Leconte. 



Saprinus oregonensis Leconte, Mon. p. 45 and pi. 5, fig. 12; Sharp, loc. cit. 



Hab. North America. Introduced into Hawaiian Is. (Blackburn, Perkins). 

 "Generally found in company with 5. lugcns" (Tr. Dublin Soc, loc. cit.). 



Bacanius Leconte. 



Bacaitius Leconte, P. Ac. Philad. vi. 1853, p. 291. 



In this genus the scutellum is invisible, and the hind tarsi have five joints. 



(i) Bacanius afovmrius Sharp. 



Bacanuis atomarius Sharp, Tr. Dublin Soc. iii. 1885, p. 128. 

 Plate XV. fig. 37, pro- and mesosterna, &c. 



This species is known only from specimens found by Mr Blackburn, of which I 

 have examined the type and one other. Distinguished at once from any known Hawaiian 



