90 



KEY TO THE BIKDS OF EASTERN NORTH AMERICA. 



* Group 2. Wing, 6 to 7.50 inches long. 



CrowQ, sreeuisli or sri-ci'iiisli liluuk; Icga, uiaugc yellow iu liff. 



Ardnt i'/)-escc«s. Qreen Heron, 



See No. 15«. 



* Group 3. Wing, 8.50 to 1 1 inches long. 



I'M- 



GrciiU'.r pui't o£ |>liimiigii, sluty blue; belly, Slaty blue; liead, tiiisjed with purplish brown 

 (adult). Ardi'ii oi/ryJcri. Little Blue Heron. 



See No. 1,57. 



* For (lii-urtions for irieaHiii-uTiieut, nee p;ip:e 9. 



