108(6). TRIGLIDJ5 PEIONOTUS. 735 



fifth dorsal spines, this ocellated below; 2 longitudinal light streaks 

 below dorsal blotch; second dorsal with oblique whitish streaks. Head 

 comparatively smooth above. Preopercular spine strong; opercle scale- 

 less; band of palatine teeth short and broad, shorter than eye. Pec- 

 torals short, not reaching middle of second dorsal, 2J- in length; pec- 

 toral appendages strong, more or less dilated at their tips; ventrals 

 long, reaching anal; gill-rakers rather short, about 10 below angle; 

 maxillary 3 in head. Head 3; depth 5. D. X-13; A. 12; Lat. 1. 58. 

 Atlantic coast of the United States; common northward. 



(11 Trifjla Carolina Linnaeus, Mantissa, ii, 528: Trigla palmipes Mitchill, Trans. Lit. 

 & Phil. Soc. N. Y. i, 431, 1815: Prionotus pilatns Storer, Proc. Bost. Soc. Nat. Hist, ii, 

 77: Prionotus palmipes and P. pilalua Storer, Fish. Mass. 18: Prionotus carolinusC. & V. 

 iv, 90: Prionotus carolinus Giiuther, ii, 192.) 



aa. Month large, mandible reaching at least the vertical from front of orbit; no dis- 

 tinct transverse groove between and behind the eyes; preopercnlar spine 

 with a smaller one at base; dorsal blotch diffuse, not ocellated. (Prionotus.) 



1125. P. tribulus Cuv. & Val. 



Dark brown above, with darker blotches and numerous small, pale 

 spots; belly pale; a black blotch at base of mandible; membrane of 

 spinous dorsal, between the third and sixth spines, with a black blotch 

 above; second dorsal with brownish spots, forming oblique bars, and 

 with 2 dark blotches at base, the posterior blotch continued obliquely 

 downwards and forwards t,o below the lateral line; pectoral olive 

 brown, with dark cross-bars, which are more distinct towards the tip 

 of the fin; its upper edge white; pectoral appendages with dark spots; 

 basal half of caudal paler. Pectorals rather short, not reaching end 

 of dorsal, 2 in length to base of caudal; pectoral appendages thick, 

 tapering. Body robust. Head shorter and broader, snout shorter, 

 and bones more strongly striate than in P. evolans; iuterorbital space 

 deeply concave; occipital and supraorbital spines very strong and 

 much compressed; band of palatine teeth as long as eye; gill-rakers 

 shortish, 9 below angle; membranous edge of opercle scaly. Head 2J 

 in length; depth 4. D. X-12; A. 11; Lat. 1. about 50. South Atlantic 

 coast of the United States; abundant. 



(Cuv. & Val. iv, 98, 1829; Giinther, ii, 195; Jordan & Gilbert, Proc. U. S. Nat. Mus. 

 1878, 374.) 



1126. P. evolans (Linn.) Gill. 



Similar to var. lineatus, but spotted also with white; the pectorals 

 plain black, with pale edgings above, longer than in var. lineatus, 

 reaching usually past the end of the second dorsal and anal, 1^-lf in 



