516 Prof. Westwood on New Australian Lucanidce. 



witli a short impressed line near die scutellunn, two others on the 

 disc parallel with the suture, the outer one not extending so far 

 as the inner, and two other sulci on the disc beyond the middle. 

 The legs are strong ; the fore tibiae broad aud multidentate, the 

 tooth preceding the apex being the strongest, the middle and 

 hind tibiae have a strong spine in the middle of the outer margin, 

 preceded by a minute one. 



The general structure of this female insect removes it generically 

 from all the other groups with the females of which we are ac- 

 quainted. The rounded prothorax and spinose tibiae separate it 

 from the true Lucani. In Odontolah'is {^Alces, &c.) the hind tibiae 

 are simple. In L. Rnffesii, Nepaletisis and Chevrolalii, the form of 

 the prothorax and broad fore tibiae of this new insect are not 

 found. It is, however, much closer to some of the larger species 

 of Dorcus, especially in the toothing of the legs and in the pro- 

 duced clypeus, but its broader form and rounded thorax removes 

 it from all of these. 



DESCRIPTION OF PLATE XXI. 



Fig. I. Dorcus Hnwittanvs, $. 



Fig. 2. Dorcus Pelorides, J , magnified. — 2a, the head from above; 2 6, maxilla ; 

 2c, terminal joints of antenna; 2d, fore tibia; 2e, 

 middle tibia ; 2f, hind tibia. 

 Fig. 3. Dorcus carbonarius, 5 , natural size.— 3a, the head from above; 3ft, max- 

 illa ; dc, mentum ; Zd, labium and palpi; Ze, 

 antenna. 



