380 KANSAS UNIVERSITY SCIENCE BULLETIN. 



Lark. One adult male, taken March 29, has been referred to 

 this form by Mr. H. C. Oberholser. A number were found on 

 this date on an offshoot of the Coconino plains northeast of 

 Williams. They were silent, and hard to find, because of their 

 protective coloration. 



9. Cyanocitta stelleri diademata (Bonap.) — Long-crested 

 Jay. Five adult males, February 24, February 26 ; two March 

 8, March 13. Three adult females, March 13, 17 and 21. 

 Common everywhere in the pines. Found in flocks, usually 

 on the side of the mountain. They were rather wary and kept 

 ahead of me in the woods, but when I could manage to catch 

 up with them they seemed to rely on the thick branches of the 

 pines for concealment. This would have been sufficient had 

 the birds been able to remain quiet, but they were continually 

 moving about and screaming and so exposed themselves. They 

 began to mate before I left, and I think from their actions 

 that a few pairs had already begun building. These jays usu- 

 ally kept to themselves, though I found a few of them with 

 flocks of Cyanocephalous cyanocephalous. 



10. Aphelocoma ivoodlioiiseii (Baird). — Woodhouse Jay. 

 One adult male, March 13. One or two small flocks of this 

 species were found in the piiions on Crater Mountain but were 

 very wild. They had the same flat, rapidly given note as 

 Aphelocoma calif ornica, and reminded me of that bird in their 

 actions. Whenever I saw them they were always out of range 

 and slipped away through the pihons so fast that I could not 

 get near them. 



11. Cyanocephalons cyanocephalous (Weid.) — PiiiON Jay. 

 Two adult males, March 29; three adult females, March 8, 13 

 and 29. Common in suitable localities in the pifions. Will- 

 iams was about the highest point that they were found on the 

 mountain, as they never got far away from the pihons. Until 

 the end of my stay they were very wild, and sometimes I would 

 follow a flock through the pines for fifteen minutes with their 

 strange querulous notes continually sounding just ahead of me, 

 without even catching sight of one. One female, shot March 

 8, contained a fully developed e^g, but the greater number of 

 the birds had just begun to pair on my departure. The last 

 day or two they were not so wild. I found them feeding on 

 the ground then, and when frightened they flew up only into 

 the dead limbs of the trees to give their queer, half-laughing 



