OBSERVED IN’ HERTFORDSHIRE IN’ 1884 . 
229 
The earliest dates of observations of insects and birds alone being 
given in the following table, for details Mr. Silvester’s notes on the 
insects (p. 233) and Mr. Littleboy’s notes on the birds (p. 207) 
should be referred to. 
Earliest Dates of Observations of Insects, Birds, etc., in 
1884, with the Mean Date for 1876-84. 
No. 
Species. 
1884. 
Mean. 
80. 
Melolontha vulgaris (cock-chafer) appears . 
May 22 
May 25 
81. 
Rhizotrogus solstitialis (fern-chafer) ap.... 
May 23 
June 9 
82. 
Timarcha Icevigata (bloody-nosed beetle) ap. ... 
Mar. 16 
83. 
Lampyris noctiluca (glow-worm) ap. 
June 12 
June 15 
84. 
Apis mellifica (honey-bee) ap..... 
Jan. 1 
Jan. 23 
85. 
Vespa vulgaris (common wasp) ap. .. 
Mar. 27 
Mar. 30 
86 . 
Pier is Brassiere (large white butterfly) ap.. 
Mar. 15 
Apl. 9 
87. 
P. Rapce (small white butterfly) ap. 
Mar. 8 
Mar. 24 
88 . 
Anthocaris cardamines (orange-tip butterfly) ap. 
May 17 
May 1 
89. 
Epinephile Javtira (meadow-brown butterfly) ap. 
May 24 
May 26 
90. 
Bibio Marci (St. Mark’s fly) ap. 
Apl. 29 
Apl. 28 
91. 
Strix Aluco (brown owl) hoots ........ 
Apl. 1 
Mar. 18 
92. 
Muscicapa grisola (flycatcher) arrives ... 
May 10 
May 14 
nests . 
May 30 
- hatches.. 
June 8 
93. 
Turdus musicus (song-thrush) sings . 
Jan. 1 
Jan .11 
- nests . 
Mar. 23 
- hatches ... 
Apl. 3 
94. 
T. pilaris (field-fare) arrives . 
Aug. 25 
Oct. 23 
95. 
96. 
Daulias Luscinia (nightingale) sg .. . 
Saxicola (Enanthe (wheatear) arr. .. . 
Apl. 7 
Mar. 30 
Apl. 13 
97. 
Phylloscopus Trochilus (willow-wren) sg. 
Mar. 17 
Mar. 27 
.98. 
P. collybita (chifl-chaff) sg . 
Mar. 30 
Mar. 23 
99. 
Alauda arvensis (sky-lark) sg ... 
Jan. 1 
Jan. 15 
100 . 
F.'inqilla ccelebs (chaffinch) sff. 
Feb. 4 
101 . 
Corvus frugilegus (rook) builds . 
Feb. 25 
Feb. 20 
- hatches .. 
Apl. 8 
102 . 
Cuculus canorus (cuckoo) calls .. 
Apl. 5 
Apl. 10 
- changes its note .. 
May 25 
May 30 
103. 
Hirundo rustica (swallow) arr ... 
Apl. 3 
Apl. 11 
-- flocks .. 
Aug. 12 
- departs (last seen) . 
Oct. 20 
104. 
R. urbica (house-martin) arr . 
Apl. 3 
Apl. 9 
105. 
H. riparia (sand-martin) arr. .. 
Apl. 3 
Apl. 10 
106. 
Cypselus Apus (swift) arr . 
Apl. 28 
May 7 
- departs (last seen). 
Sept. 19 
107. 
Caprimulyus europceus (goatsucker) arr . 
108. 
Columba Turtur (turtle-dove) coos .. 
May 9 
May 2 
109. 
Perdix cinerea (partridge) pairs . 
Jan. 22 
110. 
Scolopax Rusticola (woodcock) arr . 
Sept. 1 
Oct. 10 
111. 
Crex pratensis (corn-crake) arr . 
Apl. 10 
Apl. 22 
112. 
Rana temporaria (common frog) spawns . 
Feb. 12 
Mar. 8 
Erog spawn was first seen at Watford on the 23rd of February, 
at Eanhams Hall, Ware, on the 11th of March, and at Hertford on 
the 15 th of March. 
