614 REVISIONAL NOTES ON AUSTRALIAN CARABID^, V. 



Australia, but the area of its range is unknown. Helluodema 

 extends, in the eastern coastal districts, from the Clarence River 

 to Cook town. Epimicodema has been found from the Clarence 

 River to Rockhampton: its range inland is unknown. Helluo 

 is found in Eastern Australia ; H. costatus from Brisbane to 

 Wilson's Promontory throughout the mountains and coastal dis- 

 tricts; //. insignis on the Darling River from Walgett to Bourke; 

 Helluarchus irovn Cue, W.A., to the MacDonnell Ranges. Helhi- 

 apterus is from North- West Australia (Onslow and Cue). Giga- 

 dema may be divided into four groups. (1) The sulcatum-^YO\\Y> 

 ranges from the Murray River, N.S.W., to Onslow, W.A.; its 

 range in Central Australia is unknown. (2) The grande-growp 

 is found in tropical Australia : its range inland is unknown. 



(3) The ?ioc^e-group is very widely spread in Queensland, New 

 South AVales, Northern Territory, Western Australia, and the 

 northern parts of South Australia, also North- Western Victoria. 



(4) The lo7igipenne-gTOup contains but one species, G. longipenne 

 Germ., which is found over the greater part of the continent; 

 but is not yet reported from Queensland (north of Gayndah), 

 Victoria (south of the Dividing Range), nor the south-western 

 part of Australia. Neohell uo a.nd Ametroglossus are tree-dwelling 

 genera from the forests of tropical Queensland. ^Enigma is 

 found in the coastal districts, from Sydney to Port Denison. 

 Creagris is found in Ceylon, Java, Banghok, and tropical Queens- 

 land. 



