322 



INDEX 



march, 124-5 ; experiments, 

 126-8; on a circular track, 120- 

 39 



Pliny, on the Cabbage-Caterpil- 

 lar, 300 



Pompilus, 11, 66 



Rose-chafer. 12 



Snail-shell, Osmia's use of, 225 

 Sphex, 3, 11, 56, 66, 192 

 Sphex, White, Banded, 13 

 Spiders, 142-201; apprised of 



prey by vibration, 193-201 

 Staphylinus, 59 

 Stizus, 11 

 Swede, 290 



Sacred Beetle, 81, 83 



Saprini, 60 



Sarcophaga carnaria, see Flesh- 

 fly 



Scarabaeus, 10 



Scolia, 12, 56, 192 



Scops, 12, 21 



Serin-finch, 12 



Sex, distribution, determination 

 and permutations of, in the 

 Osmia, 240-67 



Silpha, 59-61 



Sitaris, 56 



Snail, the prey of the Glow- 

 worm, 270-78 



Tadpoles, 20 



Tarantula, Black-Bellied, see 



Lycosa 

 Thistles, 7, 8 

 Thomisus, 192 

 Toad, Bell-ringing, 18-20 

 Tree-frogs, 13 

 Tree Wasps, 14 

 Turkeys, how trapped, 98-9 



Ventoux, Mount, 14, 222 



Wasp, Common, 13 

 Woodpecker, 53 



