65 G CONTRIPUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 



rr. Highest dorsal spine little if any more 



than half the length of bead. 

 y. Pale blotches on sides not form- 

 ing a continuous lateral band; 

 occipital ridges moderate. 

 z. Pale markings flesh-color; dark 

 markings olivaceous.. cantatas. 

 zz. Pale markings yellow: dark 

 markings blackish. .<//>//*(/< lax. 

 yif. Pale blotches on sides, forming 

 a continuous lateral band; body 

 and fins profusely speckled with 

 pale; dark markings black; 

 pale markings yellow; occipital 



, ridges very strong nebulosus. 



it. Nuchal spines present, usually distinct from 

 occipital; cranial ridges very 

 short and high; olivaceous, 

 banded with black; head red 



below t Hfrricep*. 



88. Cranial ridges with the surface broken, spi- 

 nous; frontal ridges elevated; 

 color bright red, with black 

 bauds niyrocinctus. 



a. Species with very small scales (lat. 1. 90-100); the cranial ridges little developed 

 the mouth very large, the lower jaw much projecting. (Xebttntodcx.) 



IOO8. S. paiicispillis (Ayres) Gill. Boccaccio; Mvron; Jtit-k. 



Pale dull orange red, dark brown above, the sides somewhat vaguely 

 spotted; young olivaceous; fins nearly plain, lower reddish, upper 

 dusky; tip of lower jaw dark. Dody elongate, compressed, profile 

 straight from the protruding tip of the lower jaw to the trout of the dor- 

 sal. Head large, long, and narrow, pointed. Month much larger than 

 in any other species, oblique, the broad maxillary reaching to beyond the 



* 



e\e; its length 1<| in head; lower jaw very strong, with a projecting 

 knob at tip, which protrudes farther than in any other species. Pre- 

 maxillary on the level of lower edge of pupil. Cranial ridges little de- 

 veloped, the preoeidar and oeeipital traeeable and sometimes ending in 

 small spines. I nterocular spaee broad, with two low ridges; top of 

 head scaled to tip of snout; maxillary and preorbital scaly: preorbital 

 with narrow neck and three small spines; suborbital stay moderate; 

 preopereiilar spines sharp and diverging, the third largest, the lower 

 often divided: opereulaV spines moderate, dill-rakers slender, com- 

 pressed, not very long. Kye large, l-<! in head, slightly more than in- 

 terorbital width. Scales very small and rough, irregular; accessory 

 scales few. Dorsal spines low, rather slender, the lin deeply emar- 



