34 



The following list includes the species known to occur in the fresh 

 and brackish water of Essex County, thirtj^-seveu in number, seven- 

 teen of which, having already been mentioned as inhabitants of the 

 sea, are printed in italics. 



€ 



Esox americanus. 

 Salmo salar. 



Salrao salar sebago. 

 Salvelimis fontinalis. 

 Alosa sapidissima. 

 Pomolobiis vernalis. 

 Pomolohus (EStivalis? 

 Brevoortia tyrannus. 

 Catostomus teres. 

 Erimyzon sucetta. 

 Carassius auratus. 

 Luxilus cornutus. 

 Notemigonus chrysoleucus. 

 Semotilus bullaris. 

 Rhinichthys atronasus. 

 Amiurus catus. 

 Anguilla vulgaris, 

 Acipenser oxyrhynchus. 

 Acipenser brevirostris. 



The following list of names, fifty-seven in number, represents the 

 fauna of the off-shore banks. Twenty-eight species, the names of 

 which are given in italics, have already been referred to as occurring 

 in Massachusetts Bay. Hippocampus antiquorum was obtained at the 

 surface. Try g on centrura is a southern straggler to the shoals of 

 George's Banks. The remaining twenty-seven species are found only 

 at sea, at depths of 80 to 400 or 500 fathoms, and in water colder than 

 38° F. Twenty-nine of the species included in this list have been 

 added to the fauna of New England and Nova Scotia within two years 

 by the labors of the U. S. Fish Commission. 



1. Lophius x>iscatorius. 



2. 3Iola rotunda. 



7. Hippocampus antiquorum. 



21. Glyptocephalus cynoglossus. 



23. Hippoglossoides platessoides. 



26. Hippoglossus vulgaris. 



27. Platysomatichthys hippoglos- 



soides. 



28. Macrurus Fabricii. 



29. Macrurus Bairdii. 



30. Gadus morrhua. 



31. Pollachius carhonarius. 



