STUDIES IN AUSTRALIAN ENTOMOLOGY. 



No. III.— ON PROMECODERUS AND CLOSELY ALLIED GENERA 



(CARABID.E). 



By Thomas G. Sloane. 



In the present paper I deal with those species of the carabideous 

 subfamily Broscini which are grouped under the genera Prome- 

 coderus, Cerotalis, and Adotela. The species included in these 

 genera number at the present time 58 species, of which I am able 

 to notice 35 from actual observation. Future collecting will 

 undoubtedly greatly add to the numbers, and probably some 

 new and remarkable species will be found in the interior of the 

 continent. 



Following the classification adopted by Drs. Le Conte and Horn 

 in their " Classification of the Coleoptera of North America," 

 (Washington, 1883,) we find that the Carahidce. fall into two great 

 divisions : — 



(1) Those in which the epimera of the mesosternum 



reach the middle coxte Carahince. 



(2) Those in which the epimera of the mesosternum 



do not reach the middle coxae, which are thus 

 entirely inclosed by the mesosternum and 



metasternum Harpalince. 



To the second of these divisions the subfamily Broscini belongs. 

 Briefly the Broscini are distinguished by having the body pedun- 

 culate, the scutellum in the peduncle, the elytra without a border 

 on the base, the hinder marginal punctures of the prothorax 

 always considerably in front of the basal angles, a single puncture 

 above each eye ; and by the presence of a suture or ridge, more or 

 less distinct, on the sides of the head and extending backwards 

 below and behind the eyes. M. Putzeys in his monograph of the 

 Broscini (Sett. Ent. Zeit. 1868) seems to have been the first to 

 notice this feature ; he terms it the " sutui-e temporale." By Le 



