July, 1889.] 



AiS^D OOLOGIST. 



99 



cates in fields by tlie last of May; eggs, four. 

 Departs by the last week in September. 



43. Ar.titis macularia (Liim.). Spotted Sand- 

 piper. Summer resident; abundant. Anives 

 last week in April; eggs to the number of four 

 are usually laid by the first week iu June. 

 Departs last week in September. 



44. xSgialitis vocifera (Linn.). Killdeer. 

 Summer resident; common. Arrives second 

 week in March ; eggs, four in number, are 

 laid by the second week in May; two broods 

 are generally reared each season. Departs by 

 the loth of November. 



4."). CoUnus virginianns (Linn.). Bob-white. 

 Resident; tolerably common. Nidificates in 

 old fence rows; eggs, eight to twenty. 



40. Bnnasaunihellus (Linn.). Rutted Grouse. 

 Resident; tolerably common. Xidification 

 commences generally by the first week in 

 May; the nest is placed on the ground in dense 

 undergrowth, at the base of a bush, some- 

 times among the limbs of a fallen tree, and is 

 composed of leaves and fine grass. Eggs, 

 eight to twelve. 



47. Ectopistes migratoriux (Linn.). Passen- 

 ger Pigeon. Accidental visitant; rare. Mr. 

 Doan took one in .June, 1888, near Coatesville. 

 lie has several specimens that were taken by 

 him during the fall of 1882, along the Octo- 

 raro. 



48. Zenaidura macroura (Linn.). Mourning 

 Dove. Summer resident; common. Arrives 

 first week in April. Xidification takes place 

 by the first week in May; eggs, two. Departs 

 by the last week in October. 



41). Cathartex aura (Linn.). Turkey Vulture. 

 Resident; abundant. Xidification commences 

 by the last week in March ; eggs, two. 



.50. Circus hudnonius (Linn.). Marsh Hawk. 

 Transient visitant; common. Arrives first 

 week in April, and again by the second week 

 in September. 



.51. Accipiter ve.lox (Wils.). Sharp-shinned 

 Hawk. Resident; common. Xidification takes 

 place by the second week in April; eggs, four 

 to five. 



o2. Accipiter cooperi (Bonap.). Cooper's 

 Hawk. Resident; common. More plentiful 

 in summer than at other seasons. X^idification 

 commences by the last week in April; eggs, 

 four to five. 



58. Accipiter atricapillufi (WUh.). American 

 Goshawk. Winter visitant; rare. 



.54. Bntenhorealis{Ci\nc\.). Red-tailed Hawk. 

 Resident; common. Xidification begins the 

 second week in March ; eggs, two to four. 



5.5. Buteo lineatua (Gmel.). Red-shouldered 



Hawk. Resident; tolerably common. Xidifi- 

 cation in medium sized trees, in low woodland, 

 and usually takes place by the second week in 

 April. Eggs, three to four. 



56. Buteo latissimus (Wils.). Broad-winged 

 Hawk. Resident; tolerably common. Xidifi- 

 cates by the second week in April. 



57. Archibuteo lagopus sancti-johannis 

 (Gmel.). American Rough-legged Hawk. 

 Winter visitant; rare. I have never seen this 

 si>ecies in this country; Mr. Doan has taken 

 several during the winter months. 



58. Aq^dla chrysaetos (Linn.). Golden Eagle. 

 Accidental visitant; very rare. Mr. Doan se- 

 cured a fine male on the western borders of 

 the county, April 15, 1883; which is the only 

 record that has come under my observation of 

 its being taken in this county. 



59. Haliceetux leucocephalus (Linn.). Bald 

 Eagle. Accidental visitant; rare. Appears in 

 spring and fall. I have never observed it here 

 during the summer and winter months. 



60. Falco coluinharius (Linn.). Pigeon 

 Hawk. Winter visitant; rare. Have met 

 with it occasionally from November 1 until 

 the middle of April. 



61. Falco sparverius (Linn.). Sparrow 

 Hawk. Resident; common. Eggs, four to 

 five, are usually laid in a hole in some de.ad 

 limb, by the second week in May. Have 

 known them to rear two broods some seasons. 



62. Pandion halia'etun carolinensis (Gmel.). 

 Osprey. Transient visitant; common. Ar- 

 rives first week in April, again by the 15th of 

 October. 



63. Strix pratincola (Bonap.). Barn Owl. 

 Resident; rare. George Kinzer and Wm. D. 

 Doan each found this species breeding in this 

 county, along the Octoraro Creek. Both nests 

 were in a hollow of a willow tree {Salix hahy- 

 lonirn), one contained five eggs, collected 

 March 15, 1882; the other six eggs, and was 

 collected March 28, 1884. 



64. Asio wilsonianus (Less.). Long-eared 

 Owl. Resident; tolerably common. Have 

 never taken its eggs but once, April 15, 1885, 

 found nest with four eggs. 



65. Syrnium nebulosum (Forst.). Barred 

 Owl. Resident; tolerably common. Xidifi- 

 cation commences by the last week in March ; 

 eggs, three to four. 



66. Megascops asio (Linn.). Screech Owl. 

 Resident; common. Xidification takes place 

 by the middle of April; eggs, four to six. 



67. Bubo virginianus (Gmel.). Great Horned 

 Owl. Resident; tolerably common. Xidifica- 

 tion commences by the first week in March. 



