INDEX. 



407 



43 ; with foot-stalks, 46 ; 

 life-boat of, constructed by 

 the gnat, 72; of insects, hy- 

 bernation of, 79 ; experi- 

 ments on, by Spallanzani 

 and John Hunter, 79 ; sin- 

 gular groups of, 81 ; protec- 

 tion of, from heat, 83 ; in 

 spiral groups, S5,Jig. ; of the 

 lackey moth, arched form 

 of, 86,7z§-. ; of aphides, hy- 

 bernation of, 87 ; of cocci, 

 singular protection of, 88 ; 

 of the vapourer moth, on its 

 cocoon, 95 ; of insects, ef- 

 fects of cold on, 96 ; of birds, 

 structure of the, 100; of in- 

 sects, hatching of, 100 ; not 

 hatched by insects, 101 ; 

 hatched before they are laid, 

 108 ; of silk-worms, man- 

 agement of, 120; of some 

 insects, increase in size, 121; 

 of ants, growth of, 122 ; of 

 spiders, development of, 123; 

 of insects, valves of, 126 



Elaleridce, M. 226 



Elattr nocHlucuSy Linn., T. 

 230; M.228,». 



Electric centipede, M. 230,/.£^. 



Electricity, influence of, on in- 

 sects, M. 21 



Elephant, smell in, M. 52 



Emberiza pecoris, Wilson, T. 

 63 



Emmets or jet-ants, A. 279 ; 

 galleries of, in trees, 281 ; 

 populous colony of, 282 



Emperor moth, A. 320 ; cocoon 

 of, 321 



Enn/rius inserens, Kirby, T. 

 260 



Ento'ozaria, T. 238 



Epeira conica, Walck., A. 368 



Epcirea diadema, A. 336 ; 

 340; 353; 358, 359; T. 39; 

 67; 93; 123; 358 ; hatch- 

 ing; of the egg of, I24,^g. 



EpeircB, T. 104 

 Epeira quadrat a, A. 364 

 Ephemera, 205, 206 ; T. 138, 

 139 ; nests of the grubs of, 

 A. 2Q6, Jig. ; grub of 206, 

 Jig. ; nests of, in holes of 

 cossus, A. 207, Jig. 

 Eph enter ce, A. 207 ; T. 316 

 Ephemerae live more than one 



day, M. 219 

 Ephemera grubs, nests of, A. 

 206 ; nests of, in a willow- 

 stump, 207 ; dissection of 

 the water-grub of, T. 139, 



fg- 

 Ephemera vuJgata, T. 402 

 Ephemeridce, T. 285 ; 373 ; 



M. 205 ; choral assemblies 



of, T. 373 

 Epipone nidulans, Latr., A. 



83 

 Erinaceus Europcevs, T. 187 

 Eriogaster laneslris, A. 327; 



T. 314, 315; experiment 



with, A. 327 

 Eriosomamali, Leach, M. 178, 



Eriosoma populi, Leach, A. 

 392, 393 



Erislalis tenax, Fabr., T. 184 ; 

 322 ; and E. apiformis, 

 Meigen, T. 5 



Ermine moths, encamping ca- 

 terpillars of the, T. 205 



Error of Gcedart and of De 

 Mei concerning the produc- 

 tion of bees, T. 5 



Error of Virgil and Columella 

 explained, T. 4 



Euclidia glyphica, Ochsenhe- 

 im, T. 147 



Eumenes, A . 52 



Euonymus, T. 207 



Euplocamus graneUa, T. 221 



Enplocami and Tineot, destruc- 

 tion of grain by, T. 221 



Eurytoma Stigma, Steph., T, 

 60 



