THE MUSEUM 



A Monthly Magazine Devoted to Research in Natural Science. 



Vol. V. 



ALBION. N. Y., MAY 15, 1899 



No. 7 



THE MUSEUM. 



A Monthly Magazine devoted to Ornithology, 



Oology, Mollusca, Echinodermata, 



Mineralogy and Allied 



Sciences . 



Walter F. Webb, Editor and Manager 

 Albion, N. Y. 



Correspondence aud lt<?ras of Interest on above top- 

 ics. :is well lis notes on the various Museums of the 

 World— \-te\vs from same, discoveries relative to the 

 bandllns and keeping of Natural History material, 

 descriptive habits of various s-pecies, are solicited 

 from all. 



Make articles as brief as possi I .l^* and as free from 

 technical terms ,is the subjects » ill allow. All letters 

 will be promptly answered. 



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Revision of th ; Chickarees or 

 North Americiin Red Squirrels 



Continued from March Number.) 



Siiiirus liudsoniciis ricliardsonii 

 Hachman; Richardson's Chickaree. 

 Winter Pelaf^e. Above with a broad 

 median band of chestnut rufous, the 

 hairs finely annulated with black; rest 

 of upper surface, including limbs and 

 feet, brownish gray, the hairs ringed 

 with pale fulvous and black, the gen- 

 eral effect being a rather dark gray 

 with a wash of fulvous; tail above with 

 a narrow central area of dark rufous, 

 more or less grizzled with black, and 

 extending generally only about half 

 the length of the tail; rest of the tail 

 intense black, with a slight tinge of 

 yellowish on the sides for about two- 



thirds of the length from the base; ex- 

 ceptionally extending all around the 

 tail, including the tip; black lateral 

 line generally prominent, sometimes 

 more or less obscured; tail below yel- 

 lowish gray centrally, the rest black or 

 wholly black at the surlace with the 

 base of the hairs gray or grayish ful- 

 vous; below white, finely vermiculated 

 with black, the dark plumbeous under- 

 fur showing more or less through the 

 surface, giving a general effect (with 

 the vermiculationsj of grayish white; 

 ears well tufted, the apical half black- 

 ish. 



Summer pelage. Above nearly uni- 

 form rufous olivaceous, the hairs being 

 ringed with fulvous or reddish fulvous 

 and black; feet ochraceous to reddish 

 orange, this color extending over the 

 forearm to the sides of the shoulder, 

 and generally over the hind limbs to 

 the edge of the thigh; black lateral line 

 strongly developed; ventral surface 

 generally clear white, the plumbeous 

 under- fur usually more or less tinging 

 the surface; tail above with a narrow 

 deep reddish central area, extending 

 one-half to two-thirds the length of 

 the tail, the hairs being basally yellow- 

 ish chestnut rufous, more or less ringed 

 and varied with black; rest of upper 

 surface of tail black, with a yellowish 

 or rufous fringe, generally confined to 

 the sides, the tip being wholly black; 

 lower surface of tail with the central 

 area gray, grizzled with black, with 

 more or less fulvous suffusion. 



The range of this species is western 

 border of northern Montana, central 

 and northern Idaho, north-eastern 

 Oregon, north eastern Washington and 

 thence northward into south-eastern 

 British Columbia — in other words, the 

 Bitterroot and Coeur d'Alene Moun- 

 tains on the western border of Mon- 



