AUSTRALIAN MALACOSTRACA. 143 



two prominent conical tubercles. Arm with four small teeth 

 on its posterior border ; wrist armed with a long slender spine ; 

 hand sub- triangular, in lateral outline, the upper border produced 

 into a prominent tooth above the insertion of the dactylopodite, 

 outer surface ornamented with two fasciculi of short stiff setae. 

 Ambulatory legs slender, terminal joint longer than the 

 penultimate. 



Gloucester Passage, Port Denison, about five fathoms. 



271. Paratymolus latipes. 



Paratymolus lai/pes, Haswell, 1. c, p. 303, pi. xvi., figs. 3-5. 



Carapace and limbs closely pubescent. Rostrum of two 

 broadish lobes, each armed externally with a short acute spine 

 directed forwards and slightly inwards ; antero-lateral border 

 with four acute spines, the first (the shortest) placed in front of 

 the eye, the second behind it, and the third (the longest) about 

 half way between the second and the fourth, which occupies the 

 lateral angle ; dorsal surface smooth. Anterior legs stout. Arm 

 provided with a few small slender spines on its internal and 

 inferior borders ; wrist armed at its internal and distal angle 

 with a short stout spine ; hand compressed, its outer surface 

 ornamented with numerous granulations and a few minute 

 spinules, upper border with a row of minute spinules, inner 

 surface smooth. Ambulatory limbs laterally compressed. 



Port Denison ; Port Jackson. Dredged in depths of under 

 ten fathoms. 



Sub-Tribe Kaninidea. 



Carapace oblong. Mouth and efferent channel as in the 

 Leucosiidce. 



Genus Rani>~a, Lam. 



Carapace triangular in outline, with the base forwards and the 

 apex rounded. Surface convex and unequal. Anterior border 

 very long, nearly straight, and armed with strong teeth, of which 

 the median constitutes a small rostrum. Lateral borders curved 

 regularly inwards. Ocular peduncles composed of three pieces ; 

 orbits very deep. Internal antennae not lodged in a fossa ; 

 provided with two short terminal flagella. External antennae 



