arriving usually a little earlier than the preceding species 

 and departing at about the same time. Never breeds and 

 never winters in the garden. 



6^. Black and White Creeper. — A spring and autumn 

 visitor, commonest in October. Arrives in late March or 

 early April, and is not apt to be seen after the latter month 

 until late August. During September it is occasionally ob- 

 served and is more often seen during the first half of Octo- 

 ber than at any other time. 



64. Prothonotary Warbler. — A very rare late-summer 

 visitor. 



65. Blue Yellow-backed or Parula Warbler. — A spring 

 and autumn visitor, commonest in spring. It arrives in late 

 March or early April, and is seldom seen after the latter 

 month until October, when one or two are usually ob- 

 served. 



66. Summer Warbler or Yellow-bird. — A spring and 

 autumn migrant, commonest in late April. 



67. Black-throated Blue Warbler.— A spring and 

 autumn visitor, never observed between April and Sep- 

 tember. Commonest in late September and early October. 

 It is a curious fact that females of this species are com- 

 paratively seldom seen in the garden. 



68. Yellow-rumped or Myrtle Warbler. — The garden's 

 commonest winter bird. Arrives usually in late October 

 (earliest record for the garden, October 11), and remains 

 until early May. Most abundant from December until late 

 March, especially during "cold waves." 



69. Yellow-throated Warbler. — A rare bird in the gar- 

 den^ sometimes seen in early spring. 



70. Pine Warbler. — A very rare winter visitor, very 

 seldom seen and then only during unusually cold weather. 



71. Ovenbird. — A rare spring and autumn migrant, oc- 



64 



