146 
FISTULAEID^. 
“Fishes of greatly elongate form; the anterior 
hones of the skull are much produced, and form a 
long tube, terminating in a narrow mouth. Teeth 
small. Parts of the skeleton and dermal productions 
form external mails. Scales none, or small. The 
spinous dorsal fin is either formed by feeble isolati^d 
spines, or entirely absent ; the soft dorsal and anal 
of moderate length; ventral fins abdominal, com- 
posed of six rays, without spine ; they are separate 
from the pubic bones^ which remain attached to 
the humeral arch, Branchiostegals five ; air-bladder 
large ; four gills ; pseudobranchim. Pyloric appen- 
dages in small number ; intestinal tract short. 
“ Tropical parts of the Atlantic and of the Indian 
Ocean." 
Fistularia Serrata inhabits Port Jackson and Northern Aus- 
tralia, but I do not think it extends to the southern coast of 
Australia. It is figured in “ White’s Voyage to New South 
Wales,” pi. 64, fig, 2. 
Order II. 
ACANTHOPTEEYGII PHAEYNGOGNATHI. 
“The inferior pharyngeal bones are coalesced, 
with or without a medium longitudinal suture. Part 
of the rays of the dorsal, anal and ventral fins not 
articulated, forming spines. Air-bladder Avithout 
pneumatic duct ” 
