31b 







NORTHERN ZOOLOGY. 















Dimensions. 











Inch. 



Lin. 



Inch. 



Lin. 





Inch. Lin. 



Length, total 



13 



6 



Length of bill to rictus . 1 



8 



Length of outer hind toe 



10£ 



„ of tail 



5 







,, of tarsus . . 1 



2 



„ of its nail 



. 5 



„ of wing 



. G 



2 



„ of middle toe . 1 







„ of inner hind toe . 



4$ 



„ of bill above 



. 1 



Ci 



„ of its nail . . 



Gh 



,, of its nail 



. 4 



— R. 



[108.] 1. Melanerpes erythrocephalus. (Sw.) Red-headed Woodpecker. 



Genus, Melanerpes*, Swains. Sub-genus, (Typical form) Swatns. 



Red-headed Woodpecker. Penn. Arct. Zool, ii., No. 160. Wjls., i., p. 142, pi. 9, f. 1. 



Picus erythrocephalus. Bonap. Syn., No. 39. Wagler, Sp. Av. Picus, 14. 



This Woodpecker, so well known in the United States for the havoc it com- 

 mits in the orchards, ranges in summer from the northern shores of Lake 

 Huron to the Gulf of Mexico. A few individuals remain in Pennsylvania all the 

 winter. There is a specimen in the Hudson's Bay Museum, brought from the 

 banks of the Columbia. 



DESCRIPTION. 



Colour. — Head and neck arterial blood-red. Fore part of the back, scapulars, and wing 

 coverts bluish-black ; greater quills, anterior border of the wing above and beneath, and the 

 tail, pitch black : the two outer tail feathers edged on the top with brownish-white. Rump, 

 tail coverts, lesser quills, and all the under plumage, with the inner wing coverts, pure white : 

 shafts of the secondaries black. Bill greenish-blue, its tip blackish-grey. Orbits dark- 

 brown, hides yellowish-brown. — In young birds several of the exterior lesser quills are 

 barred and blotched with black. — R. 



Form, typical. Bill stout; ridge slightly arched; lateral angle of the upper mandible 

 distant from the commissure, and reaching only half the length of the bill. Middle toe a 

 little longer than the versatile or outer posterior one. — Sw. 



Dimensions. 





Inch. 



Lin. 







Inch. 



Lin. 





Inch. 



Lin. 



Length, total 



. 9 



9 



Length 



of bill to rictus 



. 1 



3 



Length of outer hind toe 







8* 



„ of tail 



. 3 



6 



53 



of tarsus 







m 



„ of its nail 



. 



3| 



„ of wing 



. 5 



4£ 



?? 



of middle toe . 



. 



9£ 



,, of hind toe 







4 



„ of bill above 



1 



1 



« 



of its nail . 







4 



,, of its nail 



. 



2 



[109.] 1. Troglodytes tedon. (Vieillot.) House Wren. 



Family, Certhiadae. Sub-family, Troglodytaenae, Swains. Genus, Troglodytes, Antiq. 

 House Wren {Sylvia domestica). Wils., i., p. 129, pi. 8, f. 3. 

 Troglodytes aedon. Vieil. Ois. de I' Am., p. 52, pi. 107- 

 Troglodytes furvus. Bonap. Syn., note 13, p. 439. 



If the House Wren of Wilson, as supposed by Prince C. Bonaparte, is the 



* Th. piXas, niger, et i/nro, repo. 



