MAMMALS OF PENNSYLVANIA AND NEW JERSEY. 53 



Records in Pa. — The following records have been secured chiefly with the 

 view of determining the numerical proportions of the normal "gray " and the 

 melanistic (abnormal?) " Hack " phases of color in this species, and how the 

 ratio of " blacks " increase as we approach the Canadian life zone. 



Cameron Co.— Grays and black equally divided in 1896. — Larrabee. 

 Black as numerous as gray in 1899. — Hays. 



Cambria Co. — Blacks never as plenty as grays. — Shields. 



Centre Co. — Blacks occasional in this Co. in 1899. — Rothrock. Black are 

 rare but gray abundant in 1900. — Fernald. 



Clearfield Co. — Blacks as numerous a gray in 1899. — Hays. 



Clinton Co. — Blacks as numerous as gray in 1899. — Hays. Black phase 

 rare south. of Elk and" Clinton Cos. — Todd. Blacks less numerous than the 

 gray in 1901. — Pfoutz. Sometimes black outnumber grays 3 to i, and some- 

 times grays seem more numerous. — Nelson. During two trips into the region 

 north of Round Island, covering about 5 weeks' hunting, I saw about half a 

 dozen squirrels of this species, one of which was intense black, another 

 smoky gray ; the rest normal gray. They are rare on the mountain tops and 

 were not abundant anywhere in the spring of 1896 and fall of 1898. — 

 Rhoads. 



Columbia Co. — Rare of late years (1899) ; about i black to 100 gray. — 

 Buckalew. 



Crawford Co. — Blacks numerous near Titusville in 1900.— Price. A few 

 seen every year but less common now than gray (in 1900). In the History 

 of Crawford Co. it is stated that the black squirrels were so common as to 

 be a pest, the gray squirrel not appearing till the country was settled.-^Kirk- 

 patrick. 



Elk C<?.^Black phase rare south of Elk Co.— Todd.. Black and gray 

 plenty in Elk Co. in 1899. — Luhr. Black numerous, gray rarely seen in 

 1899. — Clay. Black as numerous as gray in 1899. — Hays. 



Erie Co. — Black and gray evenly divided. Both scarce in 1899.- — Bacon. 



Forest Co. — Black often seen; more plenty than gray in 1900. — Zendle. 

 Blacks are abundant in 1900. — Haslet. Abundant in certain years; not as 

 plently as gray in 1900. — Irwin. 



Franklin Co. — A specimen of black squirrel is in my collection shot by 

 Amos Light near Williamson, Oct. 15, 1897. It was sent by my kind friend 

 W. B. Crawford, who, with Dr. M. W. Strealy of Chambersburg, had been 

 endeavoring to secure one for years in the South Mountain region, where 

 they are very rare, though the grays are unusually abundant. — Rhoads. 



Huntingdon Co. — Not many black at Mt. Union in 1896, but several are 

 killed in the Co. every year. — Ingersoll. 



Lackawanna Co. — Blacks rather rare. Have a specimen stuffed, from La 

 Plume. Five specimens have been brought to me in as many years, 1895 ^^ 

 1900. — Friant. 



