140 ORDER ACANTHOPTERYGII. 



as long as the head, has on its internal edge six or 

 eight thorns, curved toward the base \ 



There have been properly separated from the cotti, 

 the 



AspiDOPHORr, Lacep. 



Agonus, Bl. Sch., Phalangista, Pall. 



Which have the body shielded by angular plates, like 

 the peristedion; the mouth has no teeth on the vomer. 

 On our oceanic coasts there is one, 



Cot. cataphractus, Lin., Bl. 



A small fish, of a few inches long, which has the 

 mouth opening underneath, and all the membranes 

 of the gills furnished with small fleshy filaments. 



The North Pacific Ocean produces many species, 

 among which are found some like the European 

 species, with the mouth underneath, and the mem- 

 brane of the gills villose 2 . 



Others have the lower jaw more forward, and the 

 branchiostegous membrane smooth 3 . 



Others, moreover, have the jaws equal, and the two 

 dorsal fins separated 4 . 



1 C. jnstilliger, Pall. Zoog. Ross. iii. 163. N.B. Coitus anos- 

 tomus, Pall. Zoog. Russ. iii. 128. is an Uranoscopus. 



2 Phalangistes acipenserinus, Pall., or Ag. acip. Tiles. 



1 Phal. loricatus, Pall., or Agonus dodecaedrus, Tiles. Phal. 

 fusiformis, Pall., or Ag. rostratus, Tiles. Ag. Icevigatus, Tiles, or 

 Syngnathus segalknsis, Mem. des Nat. de Moscou ii. 14. 

 * Coitus japonicus, Pall., Spie. Zool. vii. 5., or Ag. slegophthal- 



