26 



fig. 2. Not uncommon in fresh water. The Essex Institute has speci- 

 mens from Wenham lake. 



149. Rhinichthys atronasus {Mitch.) Ag. Black-nosed Dace. 

 Argyreus atronasus Storer, Hist. Fish. Mass., 1867, p. 122, pi. xxi, fig. 

 4. Common in brooklets everywhere in Massachusetts. The Essex 

 Institute has specimens from Groveland. 



Order NEMATO GN ATHI. 



Family SILURID^. 



150. Amiurus catus {Linn.) Gill. "Bull- head," Horned Pout. 

 Pimelodus atrarius Storer, Hist. Fish. Mass., 1867, p. 118, pi. xx, fig. 

 3. Common in quiet ponds everywhere. 



Order APODES. 

 Family CONGRID^. 



151. Conger vidgaris Cuv. Conger Eel. Conger eels and 

 their curious transparent young — "phantom fish" — are occasionally 

 seen. The museum of the Essex Institute has a specimen of the lar- 

 val form of the so-called Leptocephalus, collected at Nahant beach, 

 July 22, 1858, by Caleb Cooke. 



Family ANGUILLID^. 



152. Anguilla vulgaris Turton. Eel. Anguilla hostoniensis 

 Storer, Hist. Fish. Mass., 1867, p. 214, pi. xxxiii, fig. 1. Eels are 

 common in both fresh and salt water. They are supposed to descend 

 to the sea in the fall for the purpose of spawning. 



Family NEMICHTHYIDJE. 



153. Nemichthys scolopaceus Puchardson. Snipe-eel. Ne- 

 michthys scolopaceus Giinther, Cat. Fish. Brit. Mus., viii, 1870, p. 21. 

 Two specimens of this remarkable eel-like fish have been obtained 

 from the stomachs of fishes on George's banks. 



Family SYNAPHOBRANCHID^. 



154. Synaphobranclms pinnatus {Gronow) Giinther. Twin- 

 GiLLED Eel. Synaphohranchiis pinnatus Giinther, Cat. Fish. Brit. 

 Mus., viii, 1870, p. 23. A common resident of the deep waters of the 

 oflf-shore banks in 200 to 300 fathoms, where individuals are often 

 taken on the fishermen's trawl-lines. 



