14 FRESHWATER AND LAND CRAYFISHES OF AUSTRALIA 
Euastacus serratus s.sp. hirsutus (McCulloch). 
(PI. II, fig. 14.) 
Astacopsis serratus var. hirsutus McCulloch, Records, Australian 
Museum, No. 11, 1917, p. 238, pi. 43. 
Male. — Length, 82 mm. 
General characters as in serratus. Carapace and abdomen devoid of spines 
and tubercles, but densely covered by short setae. Carpus of great chelae 
with three; spines on upper margin where serratus has two. 
Habitat. — -New South Wales : Belmore Falls Creek, Kangaroo River 
(type locality). 
Types in the Australian Museum, Sydney. 
Described from two paratypes received on loan from the 
Australian Museum, Sydney. 
Euastacus varraensis (McCoy). 
(PI. II, fig. 13.) 
Astacopsis serratus Shaw var. yarraensis McCoy, Prodromus Zool. 
Victoria, ii, Dec. 16, 1888, p. 225, pi. 16. 
Length of average adult specimen, 300 mm. 
Rostrum twice as long as broad at base, apex long and sharp; carinae 
sharp, each with three or four small sharp spines ; two blunt spines on cara- 
pace posterior-laterally to carinae. 
Second antennae stout, reaching to third abdominal somite ; squame 
smooth, inner lobe broad, terminal spine long and stout. Interantennal spine 
triangular, long, sharply pointed, lateral margins serrated. 
Carapace twice as long as broad, broader than high, as long as abdomen; 
branchiostegitcs with numerous small tubercles and an irregular row of six 
to nine large tubercles on upper margin. 
First abdominal somite with a small sharp spine on lateral lobes, second 
somite with three sharp spines along lateral margins, three following somites 
with a sharp spine on lateral margins and a smaller one immediately above 
it, and a large sharp spine nearer dorsum of somite; most examples have a 
row of small blunt tubercles on dorsum. 
Telson longer than broad, almost completely divided by a transverse 
suture, posterior half membranous; ten to fifteen sharp spines present on 
surface, and a spine on each lateral margin at suture ; inner rami of uropods 
each with two sharp spines marking the obsolete median carina, one spine 
on outer lateral margin near posterior margin; outer rami each with an 
obsolete longitudinal median carina, numerous sharp spines along transverse 
suture, and three spines on outer lateral margins. Lobes at base of uropods 
without spines. 
Great chelae stout, propodus almost twice as long as broad, upper margin 
with four blunt spines, lower margin with a double row of short blunt spines, 
cutting edge with two large tubercles; upper margin of dactvlus smooth, 
cutting edge with six or seven large tubercles; two sharp spines on under 
surface at base of dactylus. Carpus with one large and one small spine on 
upper margin ; merus with four or five large and three small spines on upper 
margin. 
Habitat. — Victoria : Yarra River (type locality); Yea River (Yea State 
