OF NEW SOUTH WALES. 



359 



Plate XIII. 



1. Eleotris elongata, nat. size. 



2. Salarias lineolata, nat. size. 



3. ,, geminatus, nat. size. 



4. ,, irroratus, nat. size. 



Plate XIV. 



1. Salarias Jilamentosus, nat. size. 



2. ,, auridens, nat. size. 



3. ,, cristiceps, nat. size. 



Plate XV. 



1. Mugil delicatus, \ nat. size. 



2. Pomacentrus obseurus, nat. size. 



3. Heptadecanthus longicaudis, nat. size. 



Plate XVI. 



1. Chaerops notatus, g nat. size. 



2. Cheilolabrus magnilabris, |- nat. size. 



3. Pseudoscarus flavolineatus, J nat. size. 



Plate XVII. 



1. Psendoscarus nudirostris, ^ nat. size. 



2. Ielithyocampus maculatus, § nat. size. 



3. Moneanthus Cheverti, i nat. size. 



Description of a supposed New Species of Rock Wallaby from the 

 Palm Islands, on the North-east Coast of Australia, proposed 

 to be called Petrogale assimilis. By E. P. Ramsay, F.L.S., 

 Curator of the Australian Museum, Sydney. 



It having been proposed by Mr. Wm. Macleay that I should 

 examine the collection of mammals obtained during the Chevert 

 expedition, with a view of reporting thei'eon and desciibing any 

 new species it might contain, I beg leave to lay before the Society 

 this evening a description of what I believe to he a new species of 

 Rock Wallaby, of the genus Petrogale. As the specimen is at pre- 



