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in length the measurement of this species usually 

 given in books.* 



But the fishes on the two sides of this dividing line 

 differ even more than the reptiles. The whole number 

 of species of Vermont fishes is about fifty. Of these, 

 more than forty species are pretty well determined ; 

 and of those determined, not more than four or five 

 are common to the two sides of the Green Mountains. 

 There are perhaps seven or eight species, which are 

 found on the east side of the mountains and not on the 

 west, and at least thirty species on the west side, 

 which are not found in any Vermont waters on the 

 east side ; and more than twenty of these thirty spe- 

 cies are not, so far as I am informed, found in any other 

 New England waters. Of these twenty or more spe- 

 cies not found to the southeastward of western Ver- 

 mont, six belong to the Perch family, four to the Sal- 

 mon family, three to the Herring family, two to the Pike 

 family, two or more to the Carp family, one Cottus, one 

 Corvina, one Catfish, one Eel, and one Sturgeon.t 



* The largest individual which I have seen, of this species T I 

 found near Lonerock Point, in Burlington, in 1845. It had been 

 killed a short time before I found it, and about one half of the 

 tail had been broken off and was missing. The remainder meas- 

 ured 35 inches, and the body was a little more than one inch in 

 diameter. The tail in this species being about one third the total 

 length, the whole length of the individual measured, must have 

 been about 42 inches. This snake is quite common in the low 

 grounds about the mouths of rivers and streams in the vicinity of 

 Lake Champlain, but is never found upon the highlands, nor at 

 any considerable distance from the lake. 



t The following are the species : Lucio-perca Americana, L. 

 grisea, Centrarchus fasciatus, C. jcneus, Etheostoma caprodes, 

 Percopsis pellucida, Salmo amcthystus, S. confinis, Coregonua 



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