158 AUSTBALIAN MALACOSTBACA. 



ward, and forming an obtuse angle with the lower margin of the 

 palm. Dactyli of the second and third legs on the left-hand 

 side rather short, scarcely exceeding the penultimate joint in 

 length ; on the right hand side they are relatively longer and 

 curved. [Miers.~] 



Shark's Bay (Brit. Museum). 



298. Diogenes senex. 



Diogenes senex, Heller, Reise der Novara, Crust., p. 85, pi. vii., 

 fig. 3. 



Carapace a little hirsute above ; front rounded in the middle ; 

 lateral teeth acute, little prominent. Rostrum mobile, very 

 acute, spiniform, reaching the apex of the ophthalmic squamules. 

 Eyes reaching a little beyond the peduncle of the antennae, 

 ophthalmic squamules broad, sub-arcuate externally, the apex 

 armed with 2-3 spinules. Chelipedes unequal, the left much 

 the larger, carpus and palm acutely granulated, denticulate at 

 the upper margin, the palm a little broader than the carpus, 

 with a rough longitudinal ridge in the middle of the outer surface, 

 fingers short, hand and fingers clothed with long hairs. Right 

 chelipede short, also pilose. Ambulatory legs slender, hirsute, 

 the dactylus a little longer than the propodos. [Heller.] 



Sydney. 



G-enus Calcotjs, Dana. 



Anterior feet unequal, the left larger. Eingers moving in a 

 vertical plane, calcareous at the tips, spoon-excavate. Eront 

 with a small point as a rostrum. 



299. Oaloinus terrse-reginae. A.M. 



Calcinus terrce-regincB, Haswell, 1. c. 



Surface of carapace and limbs ornamented with scattered 

 punctations. Eyes slender, longer than the front of the carapace ; 

 basal scale slender. Left chelipede somewhat swollen, smooth ; 

 hand with a row of small granules below ; fingers widely gaping, 

 obscurely toothed internally. Right chelipede with the carpus 

 and hand compressed, slightly granulate externally, and with a 

 few scattered hairs ; hand strongly cristate above, the crest 

 divided into five strong teeth ; mobile finger with three or four 



