LINDE Xx, 
The names of counties, districts, and localities will be found under the heading 
“County Distribution.” 
The detailed re 
q. =quoted or quotation. 
Abergavenny, 14. 
ADDER— 
age, 118. 
anatomy, 96. 
antidotes, 139-142, 225, 
attitudes, 137-139, 221. 
average length, 76. 
bite, 126-141. 
black, 248. 
climate, 112. 
colour variation, 94, 95, 109-125, 
321, 301, 291. 
description, 76-80, 
development, 153-163, 
dissections, 101, 103, 105, 107, 
149, 151. 
distribution, 75, 237. 
effect of venom, 126-136. 
eggs, 151-155 
embryos, 15 
enemies, 167. 
fangs, 97, 98. 
fat, 139. 
food, 84-92, 113, 
frequency, 240. 
gland, 98. 
gullet, 100, 101, 105. 
habits, 83. 
haunts, 82. 
head, 96. 
head plates, 96, 97. 
160. 
rences to the three species of British snakes will be found under the 
respective headings ‘ Adder,” “ Ring Snake,” 
and © Smooth Snake. 
Adder— 
heart, 102, 105, 107. 
heredity, 112. 
hibernation, 60-67. 
incidents, 221-232. 
jaws, 97. 
jumping, 138, 221. 
keel-back 
liver, 102, 
local distribution, 237. 
locality, 113. 
male and female, 245, 
markings, 77-81. 
measurements, 76, 77, 367. 
Monnow Valley, 84. 
number of young, 145-153. 
objections to theory, 167-173. 
cesophagus, 100. 
oviducts, 151. 
pairing, 145. 
pancreas, 102. 
pathological, 125. 
poison-gland, 98, 
preserving specimens, 218. 
remedies for bite, 159-142. 
reproduction, 143-163, 
respiration, 108. 
sexes, 92-94, 117. 
shape, 81. 
side-markings, 80. 
size, 76, 77. 
