PANDARUS. 
319 
ing the claws of the first and third pairs of foot-jaws through 
the skin. 
Dinemoura Lamnac, Johnston, sp. — Linear-oblong ; 
dorsal plates smaller than in preceding, oval, smooth, and 
of a pale colour ; cephalothorax with a brown blotch in 
front ; centre of upper part of last segment of thorax with 
a long black spot. 
Hab. Berwick Bay : on a Beaumaris shark (Lanina Mo - 
nensis ) . 
Gen. 177. P AND ABUS, Leach. 
There are several pairs of plate-like appendages covering 
the thorax. All the feet fitted for walking, and armed near 
the end with short thick hooks. Dr. Baird adds, that 
“ these hooks are evidently useful to the animal in moving 
or walking, by enabling it to attach itself to the bodies upon 
which it creeps.” 
All the species are parasitic on the shark tribe ; so that 
these ferocious tyrants of the sea are themselves subject to 
fish-lice. 
Pandarus bicolor, Leach. (Plate XIX. fig. 3.)— Body 
elongated-oval. Cephalothoracic segment, and the second 
