APPENDIX. 477 



Eed-backed Salamander. Plethodon erythronotus. 



Ked Triton. Spelerpes ruber. 



Purple Salamander. Gyrinophilus porphyriticus. 



Tiger-Triton. Amllystoma tigrinum. 



There are other salamanders found in Mercer County, I am con- 

 fident, but only the above have I been able positively to identify. 

 Of the latter species, I have seen but the one specimen. 



Hellbender. Menopoma Alleghaniense. 



Accidental. Believed to have escaped from a traveling " show." 



FISHES. 



Hog-Fish, Sand-Perch. Percina caprodes. 

 Darter. Boleosoma Olmstedi. 

 Crimson Darter. Poecilichthys erochrous. 

 Darter. Pcecilichthys fusiforme. 



Yellow Perch. Perca flavescens. 

 Hook-Fish. Roccus lineatus. 

 White Perch. Roccus Americanus. 

 Mud Sunfish. Acantharcus pomotis. 

 River Sunfish. Lepomis auritus. 



Blue Sunfish. Lepomis pallidus. 



Rare. Single specimens, now and then, have been ^found in the 

 Delaware. 



Sunny. Lepomis giblosus. 



Banded Sunfish. Mesogonistius chcetodon. 



Spotted Sunfish. Enneacanthus simulans. 



Spotted Sunfish. Enneacanthus obesus. 



The first mentioned of these " spotted " sunfish is extremely 

 abundant, but the other is uncommon. Very probably they are 

 not distinct. 



