58 ANNALS OF TEE QUEENSLAND MUSEUM. 
Upper surface o£ body plumbeous, profusely spotted and ver- 
miculated with gray ; lower surface white. Occiput darker than the 
body and more sparsely spotted ; snout, interorbit, and sides of 
head gray with numerous darker spots and bars ; anterior border of 
eyelid white. Spinous dorsal black ; soft dorsal, caudal, and pec- 
torals lavender, the rays with alternate darker and lighter bars ; 
anal white, except the last ray, which is mesially dusky ; ventrals 
gray, profusely marbled with darker. 
Described from a specimen, 125 millim. long, taken in Moreton 
Bay by Mr. Gr. T. Bond, and presented by him to the A.E.A.Q. 
Museum, Cat. No. 1491. 
Named for my friend, Captain Donald MacDonald, late first 
officer of the E.I.S. " Endeavour," and now chief pilot at Keppel 
Bay, to whom I am indebted for many favours. 
