PISHES. 391 



76. GYMNOOASTBR. No ventral or anal fins. G. arcti- 

 cus. 



b. Snout pointed. Gape wide. 



77. TRICHIURUS. Skin with indistinct scales. No cau- 

 dal fin nor filiform termination. T. lepturus. Bloch. tab. 

 158. 



78. LEPIDOPUS. Caudal fin distinct. L. tetradens. 

 Montagu, Mem. Wern. I., p. 82., tab. ii. iii. 



79. STYLEPHORUS. Tail ending in a long filament. S. 

 chwdatus. 



II. Gobioidae. Dorsal fins slender and flexible. In- 

 testine equal, large, and without cceca. No air-bag. 



80. BLENNIUS. Ventral fins jugular, and consisting of 

 two rays. Body lengthened compressed : The following 

 subgenera have been instituted : 1. Blennius (B. Galerita). 

 2. Pholis (B. pholis). 3. Salarias (S. quadripennis). 4. 

 Clinus (B. rnustelaris). 5. Muraenoides (B. gunnellus). 6. 

 Ophistognathes (O. Sonnerati). 



81. ANARIIHICAS. No ventral fins. A. lupus. 



82. GOBIUS. Ventral fin, thoracic, and united like a 

 funnel, by some, erroneously considered as a sucker. 1 . 

 Gobius (G. niger}. 2. Gobioides (<7. lanceolatus). 3. 

 Tenioides (G. Schlosseri). 4. Periophthalmus (G. Koehl- 

 reuleri). 5. Eleotris (G. PisoJiis). 



83. SILLAGO. Two dorsal fins, the first high. Snout 

 produced. Head scaly. Gill-lid spinous. S. acuta. 



84. CALLIONYMUS. Gill-openings reduced to a small 

 hole on each side of the neck. Ventrals, jugular, and larger 

 than the pectorals. 1. Callionoymus (C. dracunculus). 2. 

 Trichonotus (T. setigerus). 3. Comephorus (C. Baical- 

 cnsis). 



III. Labroide. Body oblong, scaly. One dorsal fin 

 anteriorly, with strong spines, and terminal filaments. Lips 

 fleshy. Three toothed pharyngian plates ; two above and 



