280 MALACOPTERYGII. — SYNGNATHID^. 
presented by these curious fishes to the Marsu- 
pial Mammalia will doubtless occur to our 
readers. 
One hundred species are now known to belong 
to this Family, all of which are marine : they 
are scattered over the seas and oceans of both 
hemispheres. Seven species are recognised as 
British. Two Sub-families are indicated, which 
are thus distinguished : 
1. Pegasina. In these the body is depressed, 
and broad ; the snout lengthened and tubular, 
but the mouth is placed beneath, and is moveable. 
PEGASUS. 
The pectorals are very large, and the ventrals are 
composed each of a single slender ray. The 
species inhabit the tropical seas of the eastern 
hemisphere. 
2. Syngnathina. The head and body are slen- 
der and compressed ; the mouth opens upward 
at the extremity of the snout ; the ventrals are 
