492 REVIEW OP NORTH AMERICAN GOBIID^. 



coining larger posteriorly, and ctenoid ; dorsal 

 spines scarcely tilameutous, none of them as 

 high as body ; caudal 2i in body, light olive,* 

 with dark olive blotches; body and head with 

 luauy conspicuous round spots of cream-color, 

 each surrounded by a dusky ring, these most dis- 

 tinct on the head, all smaller than pupil; snout 

 with dusky streaks ; dorsals and caudal sharply 

 barred; anal and ventrals dusky (<?). A small 

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



11. Scales 3S) to 42 Smaragdus, 29. 



vim. [Dorsal rays VI-9 ; A. 9. Depth 6^ in total length ; head 

 broad, llattiish : snout short, decurved ; eye 4J in 

 head, 1^ iu iuterorbital area, longer than snout. 

 Maxillary extending to below middle of eye. Some 

 of the dorsal spines produced in filaments, the third 

 1^ times depth of body. Caudal short, rounded. 

 Two rows of ill-defined blotches on upper half of 

 body ; two rows of brownish spots on second dorsal, 

 the upper strongly marked. Scales 40.] (Stein- 



dachner.) POEYi, 30. 



dd. Scales rather small, 53-92. 



n. [Scales comparatively small (53). Body elongate, com- 

 pressed behind ; head a little compressed ; head 3f 

 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 en- 

 larged ; 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. Scales 53-13.] {Steindachner.) 



Kraussi, 31. 

 nn. [Scales moderate (55 to 60). Caudal fin about half longer 

 than head ; body elongate, the depth 6^ in length ; 

 head 4f . Eye longer than snout, 4 in head, mouth 

 slightly oblique, the jaws equal, the maxillary 

 not reachiug centre of eye ; teeth in a narrow band, 

 the outer much enlarged and separated from the 

 others by a narrow interspace. Second dorsal 

 spine not equal to depth of body. Caudal 3J in 

 bodJ^ Scales on nape and axil very small, those 

 on posterior part of body much larger. Light olive 

 green ; a series of brown spots along middle of 

 tail ; sides of head with dusky blotches, vertical 

 fins dotted with black. D. VI-13. A. 14. Scales 



58-20.] Sagittula, 32. 



nnn. Scales very small (60 to 90) ; caudal more than twice 

 as long as head. Body compressed, extremely elon- 

 gate, the depth 6 to 7§ in length ; head higher than 

 wide, short, compressed, 4^ to 5 in length, month 



* This is the coloration of the male. The female we have not seen, unless a plain 

 olivaceous example from Charleston, agreeing in all essential respects except in col- 

 oration, re})resents the latter. 



