68 



AI'STR.VI.IAN niXID.K. 



TABLE OF KNOWN LARViE. 



Dorsum of abdominal sejjmeiits 2-7 carrying a con- 

 spicuous crown of hairs; armature of spines 

 present only on the abdominal sternite o and 

 6 D. GENICULATA, Tonn. 



The abdominal sejrmcnts without crown of hairs; 

 armature of spines present on the abdominal 

 segments 5-7 2. 



Base of the lateral plates of the spiracular armature 

 connected by a chitinous plate; spiracles round; 

 caudal appendage not much longer than the 

 lateral plates. /;. TASMANIENSIS, Tonn. 



The lateral plates not connected between them at 

 base; spiracles elongated; caudal appendage 

 distinctly longer than the lateral plates. 



D. MCHOLSONI, Tonn. 



Fisr 7. Kxtrrmity of the boily of Inivip ftom nliovp : — A: P. prti^rulata; 



It: iJ. 'iirhiilsoiii : C: h. IcmmnnioiniH ; n : xpirnrU* : up: fpir- 



acular plate: Ip : Inlct-nl j)lnlf ; ca : caiKlnl npiifridat'o ; dc : 



clonal crown of hairu. 



