Jordan and Evermann . Fishes of North Amet ica . 2345 



gg. Caudal fin truncate; air bladder wanting; scales mi- 

 nute; teeth in jaws in more than 1 series; teeth 

 on vomer, none on palatines ; first 5 dorsal spines 

 lengthened and partly separated. GIBBONSIA, 870. 

 ee. Shoulder girdle without upturned hook on its inner edge above. 

 A. Maxillary greatly developed, reaching much beyond eye; 

 teeth on vomer and palatines ; scales minute ; soft dor- 

 sal long. NEOCLINUS, 871. 

 hh. Maxillary normal, not greatly expanded. 



i. Anterior part of lateral line normally formed; usual- 

 ly a comb of filaments at the nape. 

 j. Palatines without teeth ; scales moderate or small, 



38 to 110 in lateral line. 



k. Teeth in jaws in 1 row only; teeth usually 

 on vomer, none on palatines; usually a 

 comb of filaments at the nape. 



MALACOCTENUS, 872. 



kk. Teeth in jaws in more than 1 row, a band 

 of villiform teeth behind the others; 

 teeth on vomer, none on palatines. 



I. Body oblong, the depth 3| to 4 in 



length ; a filament above the eye. 



LABRISOMUS, 873. 



II. Body elongate, the depth about 6 in 



length; no filaments above the 



eye. MNIEBPES, 874. 



jj. Palatines with teeth, those in jaws in more than 



1 series; scales large, 30 to 37 in lateral line; 



no nuchal filaments. 



m. Head very broad, depressed ; soft dorsal of 

 about 20 rays. GOBIOCLINUS, 875. 



mm. Head moderate, not depressed ; soft dor- 

 sat of about 8 rays. STABKSIA, 876. 

 ii. Anterior part of lateral line running on a series of 

 enlarged scales without visible pores; teeth in 

 more than 1 series in jaws; teeth on vomer and 

 front of palatines. CBYPTOTREMA, 877. 



dd. Dorsal with 1 short soft ray only; scales large; teeth in jaws in 



more than 1 series ; teeth on vomer, none on palatines, 

 n. Dorsal fin more or less deeply notched behind the third spine, 

 o. First 3 spines of dorsal very slender, close set, forming a 

 separate ribbon-shaped fin, which is much higher than 

 any of the spines in the second dorsal; anal spines 

 rather high; body strongly compressed, the snout 

 very sharp. EXEBPES, 878. 



oo. First 3 dorsal spines stiff, wide set, not remote from rest 

 of fin behind dorsal notch; anal spines short; body 

 more elongate, the snout less acute. 



AUCHENOPTEBUS, 879. 



nn. Dorsal fin continuous, not notched. PABACLINUS, 880. 



EMMNIIN.E : 

 bb Lateral line straight, close to the dorsal fin; scales small, cycloid; 



notched, its anterior half of slender spines ; no cirri on head ; ventrals thick- 

 ish, inserted slightly before pectorals; teeth in bands, 



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