151 



migrations ; the first of October to November 10th, and during April. 

 Breeds sparingly in the small lakes. 



315. P. auritus var. californicus Lawr. EARED GREBE. Not 

 uncommon in winter upon Lake Michigan. Several species of grebes 

 and a number of ducks are occasionally taken during the winter upon 

 the hooks, set several miles off shore by the fishermen. 



Genus Podilymbus Less. 



316. P. podiceps Linn. CAROLINA GREBE. Very common sum- 

 mer resident. Arrives in April and remains until the first of Novem- 

 ber. Nests along the borders of reedv sloughs, marshes and rivers. 



SPECIES NOT GIVEN IN THE PRECEDING LIST WHICH ARE KNOWN TO 

 , OCCUR IN ILLINOIS. 



1. Peuccea cestivalis. Common, locally, in Wabash, Richland, and 

 adjoining counties. 



2. Guiraca ccerulea. Rare in the southern half of the state. :- 



3. Cyanospiza em's. Seen in Wabash Co. in June (Ridgway'). 



4. Caprimulgus caroUnensis. Wabash Co. (Ridgway). 



5. Campephilus principalis. 



6. Falco lanarius var. polyagrus. Wabash and Lawrence counties 

 (Eidgway} and Rock Island (Sargent}. 



7. Elanus leucurus. Wabash Co. (Ridgway}. 



8. Ictinia mississippiensis. Abundant summer resident in the soutlf- 

 ern portion of the state. Probably occurs in Northern Illinois. ''; 



9. Butfo nitida var. plagiata. 



10. Archibuteo ferruyineus. Under date of November 13, 1876, Mr. 

 Ridgway writes me that While returning from the West the present 

 autumn, Dr. Coues observed this species eh'tirely across the Great 

 Plains, and also on the prairies of Illinois, while on the Illinois side 

 of the Mississippi, at Rock Island, it was still common. 2 



11. Catharistes atratus. 



12. Ardea wnrdemanni. Mr. Ridgway states that while at Mt. Car- 

 mel, Wabash Co., September 11 to 22, 1876, he found several of these 

 birds along the Wabash River near that place, and that one was se- 

 verely wounded, but escaped. 



13. A.-rufa. Not uncommon near Cairo in August. 



14. A. ccerulea. Excessively numerous near Cairo in August. 



15. Nyctherodias violaceus. Breeds at least as far north as Wabash 

 Co. 



16. Plotus anhinga. Common in summer near Cairo, and seen by 

 Mr. Ridgway near Mt. Carmel. 



See also Bull. Niht. Orn. Club, Vol. II, p. 26. 



