448 



muEx. 



Typ 



with sensitive flames, 225 ; as to 

 sense organs in antennae, 228 

 TypMoppne, absence of eyes in, 11 



ULTRA-RED rays, ants not sen- 

 sitive to, 206 

 Ultra-violet rays, sensitiveness of 



ants to, 201-220 

 Uropoda fiirmioaria described, 429 



VARIETIES produced in beetles 

 frequenting nests of various 



ants, 77 

 Verrall, G. H., Esq., description of 



a new genus of Phoridce, 26, 431 

 Yespa germmiica, experiment 



vrith, as to communication, 415 

 — milgaris, experiment as to 



colour with, 316 

 Vibrations producing sensations 



of sound and colour, 225 

 Violet light, avoidance of, by ants, 



189 

 Violets, colours of, 309 : seeds of, 



earned into nests by Lasius, 26, 



59 

 Viscidity of plants, a defence 



against insects, 56, 66 

 Vision among ants, 182 ; of the 



WOE 



ocelli, 183 • of compound 4y«A 

 184; limits of, 199,206,219 



WALKER, Mr., honey ant sent 

 from Australia by, 48 



Wasps, occatiional fertility of 

 workers among, 36 ; sense of 

 hearing among, 221 ; experi- 

 ments with, 311, 416; more 

 clever than bees in finding their 

 way, 313; their courage, 314; 

 account of a tame one, 315; 

 their colour sense, 316; their 

 industry, 421 



Water, ants' visits prevented by, 

 52 



Wesmael, M., describes Myrmeco- 

 cystus, 47 



Westwood, Mr., on the production 

 of neuters, 22 ; on the sound 

 produced of Mutilla, 229 



Wirgs of ants, atrophy of, among 

 the workers, 12 ; pulled ofE after 

 flight by the queen ants, 12, 19 



Winter, aphis eggs tended by ants 

 through the, 70 



Workers among ants alwaj s wing- 

 less, 12 ; varieties of form 

 among, 19-22 ; occasional fer- 

 tility of, 35 ; longevity of. 87, 88 



(3) 



