AUSTRALIAN MALACOSTRACA. G5 



the inner orbital hiatus. Anterior legs robust, usually spinose 

 or denticulated. Ambulatory legs of moderate length, not 

 cristate. 



109. Pilumnus vespertilio. A.M. 

 Cancer vespertilio, Eabr., Ent. Syst., ii., p. 463 (1793). 

 Pilumnus vespertilio, M.-Edw., Hist. Nat. Crust., i., p. 418, 



(1834). 



Carapace entirely covered with long brown (or cinereous) 

 hairs. Latero-anterior margins with three large spines placed 

 in the same line, and a fourth smaller spine upon the ptery- 

 gostomian region. Upper and external surface of the hands 

 granulated, lower portion of the hand smooth. 



Common on coral reefs in Australia, the Melanesian Islands, 

 etc: Said also to have been found in New Zealand. 



110. Pilumnus monilifera. Plate 1, fig. 3. A.M. 

 Pilumnus monilifera, Haswell, Proc. Linn. Soc. N.S.W., 



Vol. vi. 



Surface convex, smooth, regions faintly defined. Front divided 

 by a deep notch into two prominent rounded lobes with granulated 

 margins, A conical tooth between the front and the internal 

 orbital hiatus. Borders of the orbit with a series of prominent 

 granules. Antero-lateral borders with four teeth, of which the 

 first is inconspicuous, each tooth capped by a cluster of granules. 

 A cluster of three or four granules situated close together on 

 either side of the middle line between and rather behind the 

 orbits ; an oblique row of prominent granules on either side 

 near the lateral border, continuous behind with the granules of 

 the third lateral tooth ; a short row of three or four granules 

 behind this near the fourth lateral tooth. Anterior legs very 

 large, the left a little larger than the right. Carpus, propodos, 

 and base of dactylos covered with prominent granules. Carapace 

 and limbs covered with a short close pubescence. Length of 

 carapace f ths in. ; breadth 13/16ths in. 



Tasmania. 



111. Pilumnus lanatus. 



Pilumnus lanatus, Latr., Encycl., t. x., p. 125 ; Milne-Edwards, 

 Hist. Nat. Crust., t. i., p. 419. 



E 



