57G 



OnORDATA. 



The Ostariophysiiil families are the Silueidte (1000 species), 

 or cat-fish, with barbies about the mouth, of which Malcqderurua, 



Fio. 603.— Salmo aalar* Atlantic salmon. (Aftc-r Goode.) 



the electric cat of Africa, is most notewortliy. The C'YPRixiDiE, 

 or carp (1000 species), and the suckers, CATOSTOMiDyE, have little 

 food value. The electric eel of South America belongs to the 

 Gymxonoti. The other families are true Physostome.s. The Sal- 

 jcoxiDiE are easily recognized by the 'adipose dorsal,' a fin formed 

 of a fold of skill Avithout fin rays. The trout and salmon {Salmo *) 

 belong here and are among the most important food fishes. 

 Osmerus,* smelt; Corcgonus* white fish; ClupeiD-E, herring, 

 shad; Anguillid^ts, eels, the breeding habits referred to above. 

 EsociD^, pike and pickerel. AiinLYOPSiD.E, blind fish of Mam- 

 moth Cave. 



Order II. Paryngognathi. 



In many fishes the inferior phalangeal bones (i.e.. the last 



rudimentary gill arch) fuse to form a single bone, and these forms 



are called Pharyngognathi. Some have spiny fins, among the 



L.VKKiD^i:, including Ctenolabrus,* the cunuers, and Tautoqa.* the 





■^^^ 



■;^y 



„-^ 



Fro. (1(14. -(7i)ioiii/. )■»,■< vnr\i]f\ui* rnnncr. (.\ftrr Ociodcl 



tautog. Thcs(^ arc placed aruong the A("antho])teri by American 

 authors. Others have only soft fin rays. Tlu>se ai'e the Synento- 

 guatlii and include the Exoco;'rii)_i;. or some of the flying fishes, 

 in wliich the i)cctora,l fins are very large, acting as parachutes 

 when tlu! lish leap from the water. Krocaius.* 



