490 REVIEW OF NORTH AMERICAN GOBIID^. 



somewhat pointed. Olivaceous, mottled with gray; 

 about five rounded dark blotches along middle of 

 sides, the last forming a spot at base of caudal; 

 no dark spot on side of nape ; some dark marks 

 on head ; vertical fins barred. D. VI-12. A. 13, 



Scales 33 to 35 Shufeldti, 23. 



ilj. Region between nape and dorsal entirely naked. 



k. Highest rays of second dorsal little more than half head, none 

 of them reaching base of caudal. 

 I. Profile much decurved, skull rounded behind, without dis- 

 tinct median ridge; mouth horizontal. Body 

 elongate, deepest below front of dorsal, tapering 

 regularlj' backwards, the greatest depth 5^ in 

 length. Head short, blunt, profile anteriorly ab- 

 ruptly decurved, cheek somewhat swollen. 

 Length of head 3^ in body. Snout about equal 

 eye, 3 jin head. Mouth horizontal, maxillary reach- 

 ing to below pupil (in male) ; lower jaw included. 

 Teeth in both jaws in a band, the outer row of 

 the upper jaw large, recurved. Scales large, 

 ctenoid, somewhat reduced anteriorly. Nape, 

 breast, and belly naked. Dorsal spines about | 

 of head. Caudal pointed, 2| to 3| in body. Color 

 olivaceous, with numerous dark reticulations on 

 the back ; five black spots along the sides, the last 

 forming a spot on base of caudal, sometimes with 

 V-shaped dark bars extending from them to dorsal. 

 Breasts and sides of belly with numerous dark 

 specks in male ; a dark line between eyes ; a dark 

 line from eye to middle of premaxillary, some dark 

 spots below eye, sometimes forming bars, some- 

 times a stripe. A large oblique . spot above 

 pectorals, continued on opercle; a black spot at 

 base of pectoral. Dorsals and caudal barred, anal 

 uniform dusky, ventrals and pectorals black in 

 male, white in female. Dorsal VI-ll. Anal 10-12. 



Scales 25-30 Boleosoma, 24. 



U. Profile little decurved, skull flattish behind, much broader 

 than in boleosoma, with an evident median ridge; 

 mouth very oblique, much larger than in boleosoma; 

 lower jaAv thin and flat. Back slightly arched. 

 Body a little deeper and rather less com])res8ed 

 than in G. enc(v.omu<. the depth 5 to 6 in length. 

 Head 4. Anterior profile moderately decurved. 

 Eye 3^ in head. Mouth large, oblique ; maxillary 

 reaching to below pupil in both sexes. Teeth 

 above uuiserial, some of them enlaiged and re- 

 curved; lower teeth in a narrow band, males 

 with the hindermost of the outer series sometimes 

 a strong, exserted, recurved canine ; belly naked. 

 Longest dorsal spine f head ; caudal 2^ in body. 

 Color light greenish, sides of male with 5 or 6 nar- 

 row, straight, rather sharply defined whitish or 

 yellowish cross-bars, regularly placed ; four dark 

 bars, three below eye and one on opercle ; a small 



