Salicylic Acid 261 use of 261 Sage 232 white 226 figure of 227 Sawdust 154 Saws 151 Barnes' 151 foot-power 151 Second Swarms 102 Secretion 62 Secretory Organs 61 Sections 147 dove-tail 147 figure of 146 Hetherington 146 glassing 146 Phelps-Wheeler-Betsinger 147 figure of 147 veneer 144 glassing 145 Section Block 145 figure of 145 Section Frame 147 figure of 148 where placed 148 Section Rack 149 Doolittle 151 figure of 150, 151 Southard & Ranney's 150 use of 149 Wheeler 151 Senses of Insects 51 hearing 51 seeing 54 smelling 52 feeling 51 Separators 146, 150 figure of 146 tin 148 figure of 149, 150 wooden 146 figure of 146 Shade for Hives 153 ever-greens 154 grape-vines 153 houses 153 use of 153 prevents idleness 153 prevents melting of comb 153 Smokers 198 bellows 198 how used 201 Bingham 199 figure of 199 Quinby 193