34^ 



British Dragoiflies. 



riibens, 271 

 rubicimda, 63 

 rubra, 82 

 rufescens, 2 1 o, 

 riificolUs, 6q 

 rufostigma, 87 

 rustica, 190 



sangiiiiit'a, 87, 253 



siibalpina, 137 



"Sundew"' and Dragonflies, 8 



Scorpion-flies, 28 



scoticiini, 93 



Search for nymphs, 314 



Setting-boards for Dragonflies, 325 



Setting Dragonflies, 325 



Sex in nymphs, to distinguish, 39 



Sheen on Dragonfly'^ wings, 24 



Short sector, 53 



Sialidcr, 28 



iictila, 69 



Sight of Dragonflies, 46 



Simple eyes of Dragonflies, 46 



Size : 



^li. ccvriilca, 184 



yE. cyanea, 197 



u£. grandis, 204 



^. isosceles, 2IO 



yE.j'uncea, 19 1 



^. mixta, 178 



y4. itnperator, 164 



^. mercuriale, 292 



A. pulchelliim, 278 



j9. pratense, 171 



C. cpnea, 142 



6'. annulatus, 158 



f. splendeiis. 222 



C virgo, 215 



-£". cyathigerum, 299 



^. naias, 244 



6^. vulgatissimiis, 152 



/. pumilio, 267 



y. elegans, 272 



Z. drprcssa, 1 00 



Size — continued. 



L. dry as, 229 



Z,. d tibia, 64 



L. fulva, 1 19 



Z. quad rimaculata , 108 



Z. sponsa. 233 



(9. carulescens, 123 



(9. ca/iccllatunt, 127 



(9. curtisii, 149 



Z". uyiiip/iula, 253 



Z*. peniiipes, 239 



Z*. teiu'llum, 262 



.S". arclica, 138 



.S". flaveoluni, 82 



^. fonscolom bii, 7 7 



.9. rnetallica, 132 



»?. sajiguincum, 88 



^. scoticuiii. 94 



.S'. striolatuiii , 71 

 "Snake-doctors," 2 (foot-note) 

 Snake-flies, 28 



Soinatochlora arctica, 137, 331 

 Jlavomaculata, 141, 312 



■rnetallica, 130, 331 

 Sound made by Dragonfly's wing, 



54 



sparshalli, 312 



spectrum, 233 



Spiracles in Dragonflio, 54 



splendens, 214, 220 



splendeo, 214, 220 



sponsa, 232 



squatnata, 183 



Stemmata, 46 



Storage of preserved nymphs, 318 



striolatuni, 69 



Stufling abdomen, 322, 324 



Sub-costa, 51 



Sub-median nervure, 51 



Sub-nodal sector, 53 



Sulphuric ether and colour-pre- 

 servation, 323 



Supra-triangle, 53 



Sympetriim, 32, 69, 324 



flaveoluni, 10, 81, 92, 9(), 313 

 (foot-note), 331 



