MALCOLM BURR. DERMATOPTERA. 



17 



are depressed, gently dilated around the pygidium, then nearly straight, denticulate along 

 inner margin, slighly arched imvards in the apical portion. 



Etna Bay 1904/05, 4 cf, 3 9 an d 3 larvae. 



This species is allied to Hamaxas feae (Borm.), the distinguishing characters lie in the 

 last dorsal segment, pygidium and forceps of the maie. They may be compared as follows: 



cf last dorsal segment 



çf pygidium 



(J curvature of forceps 



ç? armature of forceps 



feet 



pronotum 



H. feae. 



with short transverse dépression 

 in middle near posterior margin. 



with a blunt tubercle on each side 

 of médian dépression. 



with posterior margin simple. 



with a minute tubercle at each 



angle, 

 in a gently regular ellipse. - 



sharp small tooth near base. 



yellowish. 



sides with yellowish border. 



H. 



papuensis. 



with a shallow tumid élévation, eut 



by a médian suture, 

 with blunt tubercle on each outer 



angle, 

 with posterior margin incrassate, 



milled. 

 with a short sharp spine at each 



angle, 

 bowed in basai third, then straight 



and converging. 

 sharp small tooth beyond middle. 

 blackish. 

 ail black. 



It differs from H. dohertyi Burr and H. semiluteus Borm. in the black pronotum : also 

 from the latter in form of the last dorsal segment and forceps of the maie, which in 

 H. setniluteus resemble H. feae, of which, perhaps, it is only a colour variety. 



Hypurgus Burr. 

 1. biroi Burr. 



Van Weels Camp, 23 June, 4 çf 1 . 



7 June, 1 Ç. 

 Bivak Eiland . . 11 May, 1 Q- 

 Sabang .... 12 August, 1 cf. 

 Noord River . . 10 May, 1 larva. 



5 May, 19. 

 12 May, 1 9. 

 Sabang .... 7 July, 3 9. 



Hitherto known only from a single pair in the Budapest Muséum, from Huon Gulf 

 (New Guinea). A striking and a handsome insect. 



Apterygida Westw. 

 1. arachidis Yers. 



Noord River, 5 May, 2 Q. 

 A cosmopolitan species. 



Nova Guinea. IX. Zoologie, 



