CLASSIFICATION. 69 



7. Malacopterygii Subrachiati, — ventral fins un- 

 der the pectoral, on the throat. 



8. Malacopterygii Apodes, — destitute entirely of 

 fins. 



9. Acajvthopterygii. — first dorsal fin, or the first por- 

 tion of both, where there are two, having spinous rays. 



This last order, Acanthopterygii, is divided 

 into seven families : — 



1. Tanioides, — as Mediterranean Band-fish — having a 

 short snout. 



2. Gobioides, — without a swimming bladder, and having 

 slender flexible dorsal spines, as the brenny. 



3. Labroides, — a single dorsal fin, as the Wrasse, of Euro- 

 pean seas. 



4. Percoides, — having the dorsal and anal fin supported be- 

 fore, by strong, sharp spines, as thesculpin and perch. 



5. Scomberoides, — having small scales, as the mackerel. 



6. Squamipennev , — scales encrusting the soft part of the 

 dorsal and anal fins, as the Chcelodon. 



7. Fistularidce, — the mouth at the extremity of a long 

 tube, which is a prolongation of the ethmoid, and other bones 

 of the head, as the pipefish. 



