124 Bangs — The Cotton Mouse, Peromyscns Goss^jpinus. 



Size. — Average measurements of six adult specimens from type locality : 

 total length, 183; tail vertebrae, 79.5; hind foot, 24.45. Maximum size 

 (of largest old adult in above average) : total length, 196; tail vertebrte, 

 84; hind foot, 25. 



Specunens exarinncd, 6, all from the tyi)e locality. 



Peromyscus gossypinus palmarius subsp. nov. 



Ti/pe from Oak Lodge, on east ]ieninsula opposite Micco, Brevard 

 County, Florida. No. 3224, $ old adult, collection of E. A. and 0. Bangs. 

 Collected by O. Bangs February 23, 1895. Total length, 183 ; tail verte- 

 bne, 74; hind foot, 21. 



Geograpldc distribution. — Peninsular Florida, north at least to Brevard 

 County on the east and Citrus County on the west. 



Subspecific characters. — About the size of typical P. gossypinus ; hind foot 

 shorter ; colors much paler and more yellowish ; no decided darker dorsal 

 band ; a black orbital ring. 



Color. — Adult: Upper parts varying, according to freshness of pelage, 

 from bright russet to wood brown, usually a few darker hairs scattered 

 al(Mig middle of back, but not enough to form a dorsal band ; a black 

 orbital i-ing; under parts grayish white, the hairs plumbeous at base; 

 ears dusky ; tail bicolored, dusky above, white below ; feet grayish white. 



Size. — Average measurements of twenty adult specimens from type 

 locality: total length, 181; tail vertebrje, 71.88; hind foot, 21.55. Maxi- 

 mum size (of largest old adult in above average) : total length, 206 ; tail 

 vertebrae, 83 ; hind foot, 22. 



Remarks. — Peromyscus gossypinus palmarius often shows a pectoral spot 

 of yellowish brown, sometimes of large size. 



It is often difficult to tell the young in the second pelage of palmarius 

 from the young of typical gossypinus, but as a rule they are lighter in 

 color, more grayish, less sooty, and have the dorsal stripe much less well 

 defined. 



Specimens examined, 166, from the following localities in Florida : Oak 

 Lodge, east peninsula opposite Micco, Brevard County, 111 ; Micco, 3 ; 

 Flamingo, 19 ; Miami, 2 ; Jupiter Inlet, 3 ; Crystal River, 4 ; Citronelle, 3 ; 

 Blitches Ferry, Citrus County, 21. 



Peromyscus gossypinus nigriculus subsp. nov. 



Type from Burbridge, Plaquemines Parish, Louisiana. No. 2731, 9 adult, 

 collection of E. A. and O. Bangs. Collected by F. L. Small January 30, 

 1895. Total length, 174; tail vertebrai, 79; hind foot, 24. 



Geograpliic distribution. — Bayou region of the coast of Louisiana. 



Subspecific clmracters. — Size smallest of the gossypinus series ; hind foot 

 about as in typical gossypinus ; tail proportionally longer ; colors very dark ; 

 a broad dorsal band nearly black ; ears and ujiper surface of tail lilack ; 

 a black orbital ring. 



Color. — Adidt: upj^er ])arts vai'ying from vaiidyke brown to sepia, often 

 with a sooty cast ; darkening along middle of back into a broad dorsal 



