OBSERVED IN HERTFORDSHIRE IN 1910. 
285 
Species. 
Garden-Warbler ... 
(,Sylvia kortensis ) 
Chiffchaff . 
(.Phylloscopus rufus) 
Willow-Wren. 
(.Phylloscopus trochilus ) 
Wood-Wren. 
(.Phylloscopus sibilatrix) 
Sedge-Warbler ... 
(.Acrocephalus phragmitis ) 
Reed-Warbler . 
(Acrocephalus strep eras) 
Yellow Wagtail . 
(.Motacilla rail) 
Locality. Date. 
St. Albans (N.Fm.) May 80 
Hailey bury. ,, 13 
Haileybury. Mar. 26 
Tring .... April 3 
Wallington. ,, 3 
St. Albans . ,, 3 
MoorPark. ,, 10 
St. Albans . Mar. 29 
Moor Park.. April 14 
Watford . ,, 16 
Haileybury .. ,, 27 
Haileybury. May 7 
Observer. 
Miss Dickinson. 
F. AY. Headley. 
F. AY. Headley. 
C. Oldham. 
F. AV. Langston Day. 
Miss Dickinson. . 
AV. Bickerton. 
Miss Dickinson. 
AY. Bickerton. 
C. Oldham. 
F. AY. Headley. 
F. W. HeadleV. 
Marsworth Res. April 17 C. Oldham. 
Moor Park . ,, 28 AY. Bickerton. 
Haileybury. ,, 80 F. AV. Headley. 
Moor Park . ,, 21 W. Bickerton. 
Tree-Pipit . 
(Anthus trivialis) 
Red -backed Shrike 
[Lanins collurio) 
Tring . 
St. Albans 
Moor Park 
Moor Park 
Hitchin . 
Haileybury 
10 
12 
30 
14 
16 
28 
Spotted Flycatcher 
[Muscicapa grisola) 
Swallow . 
(Hirundo rustica) 
House-Martin. 
(Chelidon urbica) 
Sand-Martin 
(Cotile riparin ) 
Swift. 
(Cypselus apus ) 
jNightjar . 
(Gaprimulgus enropceus ) 
AVryneck . 
[lynx torquilla ) 
Cuckoo .. 
[Cuculus cauorus ) 
Tring . May 20 
Baldock . ,, 22 
Haileybury .. 28 
Hatfield April 30 
Sawbridgeworth May 18 
Moor Park .. June 5 
Ash well .. April 12 
Sawbridgeworth. ,, 12 
Hitchin . ,, 13 
Berkhamsted . ,, 13 
MoorPark . ,, 14 
Tring . ,, 17 
Hatfield . ,, 21 
St. Albans . ,, 24 
Watford . ,, 25 
Haileybury. ,, 28 
King’s Langley . May 3 
(Last seen) St. Albans . Oct. 19 
AVatford. ,, 25 
Sawbridgeworth ,, 25 
Hitchin . April 22 
Marsworth. ,, 24 
Moor Park . ,, 29 
Haileybury. May 10 
Hitchin . April 9 
Tring . ,, 10 
Baldock .1. ,, 12 
Hitchin . May 7 
AVatford . 8 
Haileybury. ,, 15 
AVatford . ,, 21 
E. Hartert. 
Miss Dickinson. 
AV. Bicketton. 
AV. Bickerton. 
A. H. Foster. 
F. AV. Headley. 
C. Oldham. 
F. AV. L. Day. 
F. AV. Headley. 
Miss R. Blackett. 
H. S. Rivers. 
AV. Bickerton. 
E. Snow Fordham. 
H. S. Rivers. 
A. H. Foster. 
Mrs. E. Mawley. 
AV. Bickerton. 
C. Oldham. 
Miss R. Blackett. 
Miss A. Dickinson. 
Mrs. J. Hopkinson. 
F. AV. Headley. 
Miss C. Vulliamy. 
Miss Dickinson. 
Airs. J. Hopkinson. 
H. S. Rivers. 
A. H. Foster. 
C. Oldham. 
AV. Bickerton. 
F. AV. Headley. 
A. H. Foster. 
C. Oldham. 
F. AV. Langston Day. 
A. H. Foster. 
C. Oldham. 
F. AV. Headley. 
C. Oldham. 
Hitchin . Mar. 30 A. H. Foster. 
Aloor Park. April 17 AV. Bickerton. 
Haileybury. ,, 29 F. AV. Headley. 
Hitchin . ,, 15 A. H. Foster. 
AVatford . ,, 15 Mrs. J. Hopkinson. 
