C6 IciDGWAY on Birds of Calaveras County, California. 



Trees, May 10, 1877. Apparently the true solitarius. Of common oc- 

 currence, and bleeding. 



16. Lanivireo cassini. No. 73,537, ad. No date. 



17. Vireosylvia gilva, /3. swainsoni. No. 73.043. No date. 



18. Collurio borealis. Nos. 73,015 and 73,616, January 2 and 8, 

 1877. 



19. Collurio ludovicianus. Nos. 73,617 and 73,618. No date. 

 These examples, like most Caliibrnian ones, are by no means referable to 

 excubitoroides, but are fully as dark as the darkest individuals of true 

 ludovicianus from the Southern Atlantic and Gulf States. 



20. Hesperiphona vespertina. No. 73,538, g ad. No date. 



21. Pinicola enucleator, /3. canadensis. No. 73,539, <J juv. Soda 

 Springs, Placer County, September 28, 1877. 



22. Carpodacus cassini. No. 73,048, $ ad. Big Trees, May 20, 

 1877. 



23. Chrysomitris tristis. No. 73,630. No date. 



24. Chrysomitris lawrencii. No. 73,629, $ ad., January 9, 1878. 



25. Chrysomitris pinus. No. 73,540. Murphy's. No date. 



26. Chondestes grammaca No. 73,541. Murphy's, February, 

 1877 (!). 



27. Pooecetes gramineus, /3. confinis. No. 73,542. No date. 



28. Passerculus sandvichensis, y. alaudinus. Nos. 73,071, April, 

 1877 ; 73,625-7. No date. ("Summit of Sierra Nevada, lat. 39°.") 



29. Zonotrichia leucophrys. No. 73,543. No date. 



30. Spizella socialis, $. arizonae. Nos. 73,544, Soda Springs, Placer 

 County, September, 1877, 73,628, Calaveras County. No date ; also seen 

 January (!, L878. 



31. Melospiza fasciata, /3. guttata. No. 73,050, $ ad. Murphy's, 

 March 20, 1879. No. 73,619. No date. 



:'.!'. Melospiza fasciata, y. fallax. No. 73,621. No date. 



33. Melospiza fasciata, 8. heermanni. No. 73,621, July, 1877. 

 Probably the resident form. 



34. Melospiza lincolni. Nos. 73,540, 73,622-4. No dates. 



:5a. Passerella iliaca, 8. megarhyncha. No. 73,049, <J ad. Big 

 Trees, .May. 1n77. 



36. Myiarchus cinerascens. No. 73,546. Murphy's, April 17, 1877. 



37. Sayornis nigricans. A very curious albinescent example of this 



(No. 73,611) is colored as follows : Prevailing color very pale pearl- 

 gray, fading to white on the abdomen and lining of the wing. Wing- 

 coverts tipped with creamy buff, forming two distincl narrow hands. The 

 specimen i> a full-grown young one. as Bhowfo by the hull' wing-bands and 

 the texture of the leathers. Slight indications of the normal pluinag 

 Been in a small black Bpol just above the posterior angle of tin; right eye. 

 and several black feathers among the lesser wing-coverts, while, according 

 to the collector, there was a Bpol ><( the same eolor on the breast, but this 



