HETEROCHROSIS IN ESSEX BIRDS AND THEIR EGGS. 185
Skylark. Alauda a. arvensis L.
Unrecorded.
Complete .. 1
Complete partial 4 1 (male, cinnamon)
Partial .. . . 2
Total .. 7
Ref.: The Birds of Essex (Christy); The Field, vol. 36, p. 236, vol.
116, p. 955 ; A History of the Birds of Essex.
Meadow-Pipit. Anthus pratensis (L).
Complete .. 0
Complete partial 1
Partial .. .. 1
Total .. 2
Ref.: The Birds of Essex (Christy); The Field, vol. 74, p. 545.
Pied Wagtail. Motacilla alba yarrellii Gould.
Complete .. 0
Complete partial 0
Partial .. .. 3
Total .. 3
Ref.: The Essex Nat., vol. 15, p. 259; The Felsted School Scientific
Soc. Report, No. 25; A History of the Birds of Essex.
Red-backed Shrike. Lanius c. collurio L.
Complete .. 0
Complete partial 0
Partial .. .. 1
Total .. 1
Ref.: The Field, vol. 90, p. 389.
Whitethroat. Sylvia c. communis Lath.
Complete .. 0
Complete partial 0
Partial .. .. 1
Total .. 1
Ref.: The Birds of Essex (Christy).