Jordan and Ever mann. — Fishes of N'orth America. 2215 



dd. Color in life, cherry red, with many bluish cross bars; body stout; depth 

 4J in length. D. VI-11;A. 9. Scales large. zebra, 2550. 



«c. Scales moderate or small, 40 to 90. 



o. Soft dorsal and anal short, each of 10 to 14 rays ; body more or less elongate. 



EUCTENOUOBIUS (eu, M-ell; KTeis, comb; Gobilis) : 



p. Caudal rounded, not much longer than head. 



q. Scales 40 ; dorsal with 9 soft rays only ; anal with 9 ; depth 6i in 

 total length; head broad, flattish; snout short, decurved; 

 eye 4J in head, 1§ in interorbital area, longer than snout; 

 maxillary extending to below middle of eye. Some of the 

 dorsal spines produced in filaiiienls, the third li times depth 

 of body; caudal short, rounded. Two rows of ill-defined 

 blotches on upper half of body; 2 rows of brownish spots 

 on second dorsal, the upper strongly marked 



POEYI, 2551. 

 qq. Scales 50 ; dorsaj and anal with 10 soft rays each ; ])roflle very 

 oblique. Color dark browu. badius, 2552. 



GOBIONELLDS* (diminutive of Gobius): 

 pp. Caudal lanceolate, much longer than head; lower jaw thin; usually 

 a green spot on roof of mouth in life. 

 r. Body rather deep, the depth about 5 in length. 



«. Teeth minute, seen with a lens only. Dorsal spines fila- 

 mentous; scales much reduced below. D. VI-13; A. 14. 

 Scales 62. microdon, 2553. 



ts. Teeth well developed. 



t. Scales rather large, 39 to 42 ; body moderately elon- 

 gate, compressed ; depth 5J ; head 4. Head not 

 compressed, the cheeks tumid, the snout short, 

 abruptly decurved; mouth large, little oblique, 

 the jaws equal, the maxillary 2^ in head, reaching 

 to below pupil ; eye 5 in head ; teeth above large, 

 unequal, uniserial, some of them fixed, those be- 

 low small, in a band. Scales anteriorly cycloid, 

 becoming larger posteriorly, and ctenoid ; dorsal 

 spines scarcely filamentous, none of them as high 

 as body; caudal 2J in body. Light olive, with 

 dark olive blotches; body and head with many 

 conspicuous round spots of cream color, each 

 surrounded by a dusky ring, these most distinct 

 on the head, all smaller than pupil; snout with 

 dusky streaks; dorsals and caudal sharply 

 barred ; anal and ventrals dusky (in male) ; a small 

 round spot at base of caudal. D. VI-11 ; A. 11. 



SMARAGDUS, 2554. 



tt. Scales comparatively small (53). Body elongate, 

 compressed behind; head a little compressed, 

 3| in length; depth 5; eye 3| in head, shorter 

 than the rounded snout; maxillary reaching 

 to below middle of eye; teeth small, the outer 

 a little enlarged ; dorsal spines all shorter than 

 head, not filamentous. Nape scaly, its scales 

 much reduced in size; scales ctenoid. Two violet 

 stripes from eye to mouth ; 8 or 9 violet bars on 

 sides; 3 or 4 bars on caudal; second dorsal 

 spotted. D. VI-12 ; A. 11 or 12. 



STRIGATUS, 2555. 



rr. Body elongate, the depth 6J to 9 in length ; head 4i ; teeth well 

 developed; caudal very long. 



* Gobionellus is probably generically distinct from Gobius and Ctenogobius, but at pres- 

 et we do not know howto limit it, and therefore we are unable to define it. 



