28o REPORT OF NEW JERSEY STATE MUSEUM. 



when compared with examples from coastwise streams, such as 

 the Egg Harbor River and Cedar Swamp Creek. 



The Delaware River examples show the following: Head 2% 

 to 2% ; depth 2^5 to 25^ ; D. XI, 11 or 12 ; A. V or VI, 9 to 11; 

 scales 35 to 39 in lateral line to base of caudal; scales 6 between 

 origin of spinous dorsal and lateral line, and 12 between latter 

 and origin of spinous anal; maxillary 2V10 to 2^ in head, from 

 tip of upper jaw; eye 4 to 4>4 ; total length of fishes 4^ to jY\ 

 inches. 



Centrarckus pomotis Baird, 9th An. Rep. Smiths. Inst., 1854, 



P- 325- 



Amhloplites pomotis Abbott, Proc. Acad. Nat. Sci. Phila., 

 1861, p. 95. — Abbott, Geol. N. J., 1868, p. 807. — Abbott, Am. 

 Nat., IV, 1870, p. 102.— Abbott, Rep. U. S. F. Com., 1875-76, 

 p. 841. — Boulenger, Cat. Fish. Brit. Mus., Ed. II, I, 1895, p. 11. 



Acantharchiis pomotis Abbott, Am. Nat., IV, 1870, p. 386. — 

 Abbott, Rep. U. S. F. Com., 1875-76, p. 837.— Jordan, An. N. Y. 

 Acad. Sci., I, 1879, P- 100. — Abbott, Nat. Rambles, 1885, p. 

 477.— Bean. Bull. U. S. F. Com., VII, 1887, p. 143. 



Acantkarcus pomotis Cope, Am. Nat., XXX, 1896, p. 943. — 

 E. Smith, Tr. Linn. Soc. N. Y., No. IX, 1897, p. 42. 



Genus Enneacanthus Gill. 

 The Spotted Sun Fishes. 



V 



Key to the species. 



a. Black opercular blotch smaller than pupil ; males in spring with bright 



blue spots, transverse dark bands faint or wanting. gloriosus 



aa. Black opercular blotch as large or larger than pupil ; transverse dark bands 



rather distinct. obesus 



Enneacanthus gloriosus (Holbrook). 



P1.ATE 38- 



Spotted Finned Sun Fish. Blue Spotted Sun Fish. Spotted 



Sun Fish. 



Head 2j^ ; depth ij^ ; D. X, 1 1 ; A. Ill, 11, i ; scales 33 in lat- 

 eral line to base of caudal ; 5 scales obliquely back from origin of 



