INDEX : 283 
torpor of colony, 123, 231 
of queen, 16, 141 
transformations of humble-bee, 27 
trumpeter, 48 
Muck, W. Et, 78, 176 
underground-nesting species, 17 
Pocket-makers, 43 
variabilis, Bombus, see helferanus 
varieties, dark and light, 147 
dimorphic, 147 
geographical, 151 
ventilation of humble-bees’ nest, 47 
venustus, Bombus, of Saunders, see 
helferanus 
of Smith, see helferanus and mus- 
corum 
vestalis, Psithyrus, 60, 149, 208, 
257 
life-history of, 61 
vestibule of observation nest, 97, 100 
virginalits, Bombus, see terrestris 
Vogt; Dr. O., 148 
voice of humble-bee, 11 
voles, 118 
Volucella, 114 
bombylans, 76 
THE 

wax of different species, 155, 159, 166, 
175, 185, 190, 192, 199 
of humble-bee, 25, 36 
where produced, 260 
wax-moth, 73, 127 
way, covered, of carder-bees, 42 
weasels, 109 
wing-hooks, 9 
workers, attacking new laid eggs 51, 
eh 
containing eggs, 242 
diminutive, 37 
fighting between, 241, 251, 255 
find their way in dark places, 262, 239 
freshly emerged, 31 
how distinguished, 144 
laying, 52, 69, 242, 255 
number of, in nests, 53, 155, 159 
TO L7OmeL 77, LOO LOS, Loo, 
199, 237, 251, 257 
occupation of, 46 
reason why they attack eggs, 257 
their function, I, 2 
worms, earth-, 106, 230 
parasitic, 80 
xanthopus, variety of Bombus terrestris, 
159 
END 
Printed by R. & R. Crank, Limitep, Edinburgh. 
'Y'S 'N ‘SIONITT) ‘YNYEUA 
‘AIONSTT Teamen 19 Ligieaoue) ome stam 
