54 FRESHWATER AND LAND CRAYFISHES OF AUSTRALIA 
dactylus stout, with one small tubercle on cutting edge, upper margin smooth ; 
upper and lower surfaces of both propodus and dactylus divided by a longi- 
tudinal carina. Carpus densely punctate, a row of small tubercles on upper 
margin ; upper margin of merus feebly serrated. 
Fig. 2. Austroastacus cymus sp. nov. 
Female . — Length of average adult specimen, 53 mm. 
Similar to male, but differs in having a much larger abdomen and tail 
fan. The abdomen is almost as long and broad as the carapace, and the 
uropods are as large as the telson. 
Colour . — Wholly bright orange. 
Habitat. — Victoria: Dondangadale (between Myrtleford and Whitfield) 
(E. Clark, Dec., 1935). 
Types in National Museum, Melbourne. 
A series of 38 specimens, ranging in size from 4 mm. to 
53 mm. long examined. One female had eggs attached to the 
swimmerets; another female, found in a small burrow lead- 
ing oft’ the main burrow, had several newly-liatched voung 
(from 4 mm. to 10 mm. long). 
This species burrows in swampy patches in the valley and 
on the dry land on the tops and sides of heavily-timbered 
hills. Lntiances to burrows in swampy ground have cones 
three or four inches high, with an opening in the top; the 
burrows are eighteen inches to three feet deep. On the hills 
no cones are formed, the burrows being indicated onlv by 
small round holes, usually underneath fallen Ions OT* stnnps • 
