b3 * 4 z $ e T | 
- and snout covered with long osseous plates, Poi are radiated, 
and interlocked at their extremities: these are in pairs, "m 
. on the head, and about six other pairs along the snout. d 
Ween the extremities are other smaller plates so as to fill the 
j eam The orbiculars. are strong, forming the base of tl ni 
snout, and extend to about half its length. Both its sides i 
Micipica - with Small stellifori n 
€ each other, and present the a 43 
_ tion, supporting the membranous skin of the snout. Eyes 
. small, oblong, above the articulation of the upper jaw ; nostrils 
© small, ; double, one above the other, in front. of the eyes, but a " 
a little more elevated. Jaws equal, without teeth, maxillar and ? 
Nm close together, and;in length equal. s " 1 
v ane and narrow ; ien oi of the mouth 
LÀ 
2 
i operculum, which articulate with each other. ii "n skin 
E supports all these bones, expanding and attenuating to a point’ ® 
3 eer, almost to the end of the pectoral fin, and covering 
. the wide branchial aperture on each side. - 
|. "Branchie large: ah. arcs have two rows of T 
bristles, in close connexion, directed towards the front. 
s defend a broad membranous expansion, that accomp: 
the interior centre of each arc, between the bristles, the 
the membranes being furnished with small and very 
ca rtilaginous laminze, and behind the arcs is a 
membrane, to support the g^ str 
emities, - e sliðulder bones a 
s : 
