456 



INTRODUCTION TO ZOOLOGY 



Simocephalxis*, 172 



Simuliidae, 3S3-356, 360 



SimuKvm*, 353-356, 360, 361 



Sirexgigas*, 432-433, 446 



Siricidae, 432-433, U6 



Slipper Animalcule,* 12-13 



Slug, Black*, 130, 134-135, 136, 138 



Carnivorous*, 136-137, 138 



Cellar, 136 



Common Garden, 136, 138 



Grey, 136, 138 



Tree, 136 

 Snail, Apple (or Roman)*, 131-132, 

 133 



Bog*, 114, 115 



ChrysaUs*, 132, 138 



Common Pond*, 105-114, 137 



Desert, 134 



Door-shell, 132-133 



Dwarfed*, 114, 115 



Ear-shaped*, 114, 115 



Fountain Bladder*, 118 



Garden*, 126-131, 138 



Greedy*, 132, 138 



Grove (or Brown-lipped), 131 



Keeled Trumpet*, 117 



Moss Bladder*, 117, 118 



Round-spired Trumpet*, 117 



Thread-spinning*, 117, 118, 137 



Trumpet (or Ram's-hom)*, 112, 

 115-116, 137 



Twisted Trumpet*, 117 



Wandering*, 114, 115 



Whirlpool Trumpet*, 116, 117 



White-lipped, 131 

 Societies, 363-384,. 5S7 

 Solaster pappostis*, 65, 69 

 Spathegaster*, 440, 441, 442 

 Sperm cell, 29 

 Sphaeriidae, 148, ISl 

 Sphaenum*, 148, 151 

 Sphegidae, 363, 398, 399 

 Sphingidae, 229-230, 239 

 Sphinx ligustre*, 229-230, ^39 

 Spiders, Common Cross*, 180-191, 

 199, 200 



Flower Crab*, 196, 199 



Grass, sheet- web weaving, 192, 199 



House*, 181, 192, 199 



Money-spinner, 196, 199 



Raft, 195, 199 



Stone Drassid*, 196, 199 



Trap-door, 196 



Water*, 193-194, 199, 200 



Spiders, Wolf*, 194-195, 199 



Zebra*, 195-196, 199 

 Spigot, use of term, 182 

 SpUosoma lubricipeda, 231, S39 

 Spinnerets, 182 

 Spiracle, meaning of term, 210 



Sponge, Ascon type of*, 53-54 



Bath, 53, 55, 58 



Bread-crumb*, 53, 58 



Ciliated, 55, 58 



Pond, 56-57, 58 



Purse*, 52, 58 



River, 56, 58 



Sycon type of*, 54-55 



Turkey Cup, 55-56, 58 



White Lattice, 54, 58 

 Spongia officinalis, 55-56, 58 

 ^ongilla lacustris, 56-57, 58 

 Squama, 327 

 Staphylinidae, 252, ^64 

 Starfish*, 60-65, 69 

 Statoblasts, 100 

 Stendbothrus, 272 

 Stenophylax*, 321, 323, 325 

 SUpiumoceros* , 102, 104 

 Stick Insects, 271 

 Stigmata, use of term, 183 

 Stone-canal, 65 

 Stone-fly*, 311-313," S25 

 Stratiomyidae, 335-337, 360 

 Stratiomys chamadeon*, 335-337, 360 

 Stridulation, organ of, 272 

 Strigil, meaning of term, 405 

 StrobUa*, 40, 41 

 Stylopyga {Periplaneta) orientalis*, 



266-269, S74 

 Sun-star*, 65, 69 

 Swimmerets, 161 

 Sycon ciliatum, 55, 58 

 Symbiosis, meaning of term, 28 

 Sympetrum, 303, 304, 3^5 

 Syrphidae, 332-335, 360 

 Syrphus*, 327, 332-333, 360 



Taenia soli/um, 96, 103 

 Tanypus*, 349-351, 360, 361 

 Tapeworm, 96, 103 

 Tarsus, meaning of term, 207 

 Tegenaria domestica*, 181, 192, 199 

 Tegmina, use of term, 271 

 Telson, use of term, 158 

 Tentaculocysts, use of term, 39 

 Tenthredinidae, 363, 430-432, 446 



