embiotocidjE. 533 



CoRiDODAX. — Jaws as in Odax, head naked. Scales of the 

 body small ; lateral line continuous. Snout of moderate extent. 

 Dorsal spines numerous, flexible. 



The " Butter-fish," or " Kelp-fish " of the colonists of Few 

 Zealand (C. puUus), is prized as food, and attains to a weight 

 of four or five pounds. It feeds on zoophytes, scraping them 

 from the surface of the kelp, with" its curiously formed teeth. 

 Its bones are green, like those of Belone. 



Olistherops, from King George's Sound, has scales of 

 moderate size, but agrees otherwise with Coridodax. 



SiPHONOGNATHUS. — Head and body very elongate, snout long, 

 as in Fistularia ; upper jaw terminating in a long, pointed, skinny 

 appendage ; opercles and cheeks scaly ; scales of moderate size ; 

 lateral line continuous. Dorsal spines numerous, flexible. Jaws 

 as in Odax; the dentigerous plate of the lower pharyngeal very 

 narrow. 



S. argyrophanes, from King George's Sound, is the most 

 aberrant type of Wrasses, whose principal characters are re- 

 tained, but united with a form of the body which resembles 

 that of a Pipe-fish. 



Third Family — EmbiotocidjE. 



Body compressed, elevated or ohlong, covered with cycloid 

 scales ; lateral line continuous. One dorsal fin, with a spinous 

 portion, and with a scaly sheath along the base, which is 

 separated by a groove from the other scales ; anal with three 

 spines and numerous rays; ventral fins thoracic, with one 

 spine and five rays. Small teeth in the jaws, none on the palate. 

 PseudohranchicB present. Stomach siphonal, pyloric appendages 

 none. Viviparous. 



Marine Fishes characteristic of the fauna of the temperate 

 North Pacific, the majority living on the American side, and 

 only a few on the Asiatic. AU are viviparous (see Fig. 70, 

 p. 159). Agassiz describes the development of the embryoes 



