RACCOONS OF NORTH AXD MIDDLE AAIERICA 35 



the skull of p. I. lotor is larger and heavier; jiigal broader; sides of 

 frontals behind orbits usually more deeply indented or constricted; 

 maxillary tooth row longer; posterior upper premolar and upper 

 carnassial usually distinctly larger. 



Measurements. — Adult female from Liberty Hill, Conn.: Total length, 832 milli- 

 meters; tail vertebrae, 247; hind foot, 118. Adult female from Minerva, N. Y.: 805; 

 225; 105. Adult male from Granville, -Nova Scotia: 837; 240; 116. Two adult 

 males from Dismal Swamp, Va., respectively: 800, 860; 245, 285; 115, 110. Adult 

 female from Dismal Swamp, Va. : 800; 250; 115. Skull: Adult female from Lib- 

 erty Hill, Conn.: Greatest length, 114.4; condylobasal length, 109.8; zygomatic 

 breadth, 74.1; interorbital breadth, 23; lea.st width of palatal shelf, 14.8; maxillary 

 tooth row (alveoli), 41.7; upper carnassial, crown length, 8.8, crown width, 9.2. 

 Male and female from Adirondack Mountains, N. Y., respectively: Greatest 

 length, 117, 110.9; condylobasal length, 112.9, 107.4; zygomatic breadth, 71.8, 

 67.9; interorbital breadth, 22.7, 23.3; least width of palatal shelf, 16.2, 16.2; max- 

 illary tooth row, 42.4, 41.9; upper carnassial, crown length, 8.3, 8.3, crown width, 

 8.9, 9.3. Male and female from Dismal Swamp, Va., respectively: Greatest 

 length, 116, 111.6; condj'lobasal length, 109.2, 105.7; zygomatic breadth, 76.4, 

 68.5; interorbital breadth, 25, 23.3; least width of palatal shelf, 16.2, 16.5; maxil- 

 lary tooth row, 41.9, 39.7; upper carnassial, crown length, 8.8, 8.5, crown width, 

 9.2, 9.1. 



Remarks. — Although individual variation is considerable, and due 

 allowance should be made for it, the general characters of P. I. lotor 

 are maintained with a fair degree of constancy throughout its range. 

 Specimens from the northern part of the area have somewhat longer 

 pelage and average somewhat darker than those from the southern 

 part, but individuals contrasting strongly in color, some very dark 

 and others light in tone, may be found at the same locality. Inter- 

 gradation with P. I. hirtus, P. I. sohitus, P. I. litoreus, and P. I. 

 varius is evident, but the transition from one geographic race to another 

 seems to be rather abrupt. [See also appendix, p. 84.] Specimens of P. 

 I. lotor from Belleville, 111., and Xew Richmond, Mich., approach 

 /( />/;/.'* and might be referred to that form. Those from Dismal Swamp, 

 Va., and eastern North Carolina are variable; some being near-typical 

 lotor, while others grade toward solutus. 



[Meles] lotor Boddaert, L[otor] imlgaris Tiedemann, and Procyon 

 annulatus G. Fischer are substitute names for [Ursus] lotor Linnaeus. 

 Procyon gularis Hamilton Smith was based on a live individual "in the 

 State of New York," in which the "whole throat was black." There 

 is no reason to assume that the animal differed from the typical form 

 of the region, in which the amount of black on the throat is quite 

 variable. 



Specimens examined. — Total number, 181, as follows: 



Connecticut: Liberty Hill, 3;^ West Greenwich, 2 (skulls only); e.xact localitj' un- 

 known, 1 (skull only). 

 District of Columbia: Washington, 1 (skull only). 



3 Mus. Comp. Zool. 



