CLASS PISCES. 239 



T^nioides, Lacep., 



With the single dorsal of the Gobioides, have a still 

 more elongated body. Their physiognomy is ex- 

 tremely singular ; the upper jaw is very short, the 

 lower elevated, and every where convex, ascends in 

 front of it, being both armed with long, hooked 

 teeth ; the eye is almost reduced to nothing, and is 

 completely hidden under the skin. The cavity of the 

 mouth is occupied by a fleshy and nearly globular 

 tongue; some small cirrhi beneath the lower jaw. 



But one species is known, the Tamio'ide Herman- 

 men, Lacep., which lives in the mud of ponds in the 

 East Indies \ 



Bloch. Schn. p. 63, very properly separates from 

 the whole genus Gobius, the 



Periophtiialmus, Schn., 



Where the entire head is scaly ; the eyes are placed 

 side by side, and provided at their inferior edge with 

 an eyelid which can be made to cover them, and the 

 pectorals are covered with scales for more than half 

 their length, which gives them the appearance of being 

 attached to a sort of arms. Their gills being even 

 narrower than those of other gobies, they can live 

 out of water for a still longer period. They are often 



1 It is the cepola ccecula, Bl. Schn. pi. liv. from a drawing by 

 John. The Tcenioide hermannien, Lacep. II. xix. 1. from a 



Chinese drawing ; and the Gob'/oide rubicunda, Bnch. pi. v. f. 9. 



10 

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