26 



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

 mens from Wenham lake. 



149. Rhiniclithys atronasus (Mitch.') Ag. BLACK-NOSED DACE. 

 Argyreus alronasus 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 NEMATOGNATHI. 

 Family SILUKID^. 



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 AFODE3. 

 Family CONGRIDJE. 



151. Conger vulgaris 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 ANGUILLIDJE. 



152. Anguilla vulgaris Turton. EEL. Anguilla bostoniensis 

 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 NEMICHTHYHXaS. 



153. Nemichthys scolopaceus Eichardson. 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 SYNAPHOBEANCHID^. 



154. Synaphobranchus pinnatus (Gronow) Giinther. TWIN- 

 GILLED EEL. Synaphobranchus pinnatus Giinther, Cat. Fish. Brit. 

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

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

 taken on the fishermen's trawl-lines. 



