072 



MONOGRAPHS OF NORTH AMERICAN RODBNTIA. 





!• , i. 



'^ 9. Middle of tbe dorsal region dasky or black ; rest of dorsal sarface Taricil with dnghy iiiul 



. . yellonish-rnfoas ; beneath dark reddisb-brown, varying to floryorange ; lengtb abont 



t).50 inches; tail full and bushy, rather longer than bead and body. Hab. — Southern 



portion of Central America and the northern portion of South America.. .S. aERiunDi. 



10. Size rather small ; length about 6.00 to 9.00 inches; above dark olivaceons-browii, minutely 



varied with yellowish or rnfons ; beneath fnlvons or mfous ; tail rather narrow, occa- 

 sionally decidedly cylindrical towar<l the end. ffnt.— Brazil, Northern South America, 

 and Central America. Runs into two well-marked subspecies S. jestvash. 



a. Length about 8.00 inches; tail Alged with pale yellowish; smaller and less rufous thun 



the next. Bab. — Brazil and Guiana var. a!s(i«»i«. 



b. Length about 9.00 inches; tail edged with red, varying in tint fh>m light yellowish- 



red to dark cherry-red; general iiolor above rather more rnfons than in var, 

 atluaxt; also riither redder below. Hab. — Northern South America and Central 



America var. rufimiger. 



III. Tall -vertebra) alone equal to tbe length of the head and bo<ly ; tail with the hairs one-seventh to 

 one- fourth longer ; size large; premolars f : 



A. Tall full, bushy : 



11. Above dark pure-gray ; beneath white ; tail block, washed with white, ffai.— Paolflo 

 coast from the Columbia River southward to San Diego, Lower California; not east of 

 the Coast Ranges S. Kosson. 



12. Above clear gray, except the middle of the dorsal region, where the colo' is mixed yellowish- 

 brown and black ; beneath generally white, varying at some localities to yellowish- 

 fulvonsor rufous, iffaft.— Mexico 8. colli jii, 



13. Above black, varied with oobre-yellow and mfons; beneath white, fulvous- or brownish- 

 red ; tail black at base and centrally k«low, edged broadly with red or yellowish-red, 

 appearing mainly of this color at the surface ; pelage short and sparse, especially below. 

 Alt.— Western Brazil, and thence westward to the eastern base of the Andes, and from 

 Bo.ivis northward to New Grenada S. variabilis. 



B. Tail narrow ; pelage coarse and rigid : 



14. Color variable, running into both albinistio und melanistio phases ; generally more or less 

 black above, varie/<. with fulvous and red beneath, ffaft.— Southern Mexico and Central 

 America S. bypopthrbus, 



I. — Species inhabiting North America north of Mexico. 



SCIURUS HUDSONIUS Pallas. 



Chickaree. 



Var. HtJDSONius. 

 Butern Chlckarr^ 



Stiitrut txilgari* Forrtkr, Phil. Trans Ixii, 1773, 378. 



Bcinriu mtgarit, e, h»dtonioiit EliXLEBKK, Syst. Anini. 1777, 416. 



Soinrut AsdMrniH* Pallas, Nov. Spec. Olir. 1778, 376.— Ombun, Syst. Not. i, 1788, 147.— Scbrkrrr, 

 Sitngeth. iv, I'Oii, 777, pi. ccxiv.— SflAW, Gen. ZoSI. ii, 1801, 140.— KUBI., Beitriige sur Zuol. 

 1S'20,66.-DksmaiiE8T, Mammal, ii, 182!{, 340.— StBiNK, Franklin's Narr. 18S23, 663.— Ham- 

 LAN, Faun. A.ner. 1885, 185.— Qopman, Am. Nat. Hist. Ii, 1H36, 138.— RicUARnsoK, Fauna 

 Boreali-Amer. i, 18!i9, 187, pi. xvii.— Fischbr, Synop. Mam. 1839, 349.— Qappbr, ZoSI. Jour. 

 V, 1830, 205.— "F. CuviER, Suppl. Buff. Hist. Nat. i, Mnm. 1831, 303."— Bacuman, Proc.ZoSl. 

 8oo.Lond. vl, 1838, 100; Charlesworth's Mag. N. H. ill, 1839, 383.— Thompson, Nat. Hist. 

 Vermont, 1842, 46; App. 1853,14 (albino).— DeKay, New York ZoOI. i,lH42,6I,pl.xvii, flg.3.— 

 Wagner, Snppl. Schreber'a Siiuget. 111,1843, 178.— Scbine, Synop. Mara. 11, 1845, 13 —Au- 

 ni-BON & Bachman, Quad. N. Am. i, 1849, 185, pi. xi r.— Woodhousk, I^itgreaveit's Expl. Col- 

 orado and Zuni Rivers, 1863, 63 (Indian territory) —KEtmicoTT, P«t. Off. Sep., Agr., I8,"fl, 

 (1857), 67, pi. vii.— Baird, Mnm. N. Am. i. .17, 860, pi. xlvl, flg. 1.— Thomas, Trans. III. State 



