508 APPENDIX. 



mainiiig during the winter; most of these had white edgings on all their feathers, 

 and were probably young of the year. Their flight is described as wavering, some- 

 thing like that of Colaptes mexicanus. While flying they utter a high note, resembl- 

 ing ivkuif-whuij, repeated several times. He never heard them sing, as they are said 

 to do, although he has watched them frequently. They are very restless, and are 

 always found about the mistletoe, on the berries of which they feed almost exclu- 

 sively. The nest is saddled on a horizontal branch, generally of a mesquite-tree. 

 It is a shallow structure, about 4 inches across; its inner diameter is 2 J inches, 

 depth J an inch. It is comiiosed of fine sticks, fibres of plants, and lined with a 

 little Cottonwood diuvu and a stray feather. The first uest was found May 16. 

 This was ])rinci pallj- lined with the shells of empty cocoons. The number of eggs 

 was two. Though ho found more than a dozen nests with eggs and young, he 

 never found more than two in a nest. Their gromid-color varies from a greenish- 

 white to a lavender and a grayish-white, spotted all over with difiereut shades of 

 brown. The spots are all small, and most abundant about the larger eud, and vary 

 gi-eatly in their distributions. In size they range from .97 of an inch to .84 in 

 length, and in breadth from .6(1 to .'iO. 



Collurio ludovicianus, var. robustus (I, 420). See Am. Xat. VII, Octo- 

 ber. IS 7;!, p. Cid'.l. 



Certhiola newtoni (I, 427). See Am. Xat. VII, October, 187:5, p. Gil.- 

 Certhiola caboti (I, 427). See Am. Xat. VII, October, 1873, p. G12. 



Certhiola barbadensis | (I, 427). See Am. Xat. VII, October, 1873, 



Certhiola frontalis J p- 612. 



Pyranga hepatica (I, 440). Cajitain Bendire found wliat he identified as 

 this species breeding near Tucson, Arizona. Its nests and eggs resembled those of 

 P. ctstiva. The latter vary in length from 1.02 inches to .95, and in breadth 

 ii'om .70 to .07 of an inch. Their ground-color is a pale light gi-eeu. Some are 

 sparingly marked over the entire egg with very distinctive and conspicuous blotches 

 of purplish-brown ; others are covered more generally with finer dottings of the 

 same hue, and these are so numerous as partly to obscure the ground. In shape 

 the eggs are oblong oval, and are of nearly equal size at either end. This species 

 was also obtained by .Mr. Henshaw, at Apache, Arizona. 



As no skins of the pareut appear to have been preserved, it is not improbable 

 that the liird in question may be really P. a'stiva, var. con-peri. 



Hesperiphona vespertina, var. montana (T, 450). Two adult males 

 obtained at \\'aukogan, Illinois, in January, 1873, by Mr. Charles Douglass, are 

 typical examples of the Rocky I*Iountain form. 



Pinicola enucleator (I. 4.5.3). Dr. Cooper mentions having shot a fine male 

 of this species near tlie summit of the Central Railroad Pass at an elevation of 

 about 7,000 feet. It was in a fine orange-red plumage. It was moulting, and 

 appeared to be a straggler. 



P3m'hula cassini (I, 4.")7). Since the publication of the article on this spe- 

 cies we Icaru from Calianis {Journal fiir Ornitbologie, 1871, 318, 1872, 315) that 

 the species is not uncommon in the vicinity of Lake Baikal, in Siberia, and that it 



