CONTENTS XV11 



PAGE. 



177. Map showing habitat of the Brown Elfin Butterfly 



(Incisalia auyustus) 205 



178. Map of United States, showing principal zones of life.. 210 



179. Long-winged Grasshopper of the plains (Dissostcira 



loii<iii>('iiiiis) 213 



180. Grasshoppers invading a city 215 



181. Cecropia larva bearing cocoons of a parasitic Bee 218 



182. Net and hoop 224 



183. Plan for a net 224 



184. Map of collect ing vicinity 229 



185. An insect mounted on card-point 232 



186. Spreading-board for Lepidoptera 233 



187. A student's cabinet 235 



188. A convenient breeding-cage 243 



189. Foot of House-fly 245 



190. Board plan for an artificial Ant-nest 247 



191. Plan for simple microscope stand 251 



192. Cyanide bottle 253 



193. Front view of head of Grasshopper 256 



194. Clypeus and labrum 257 



195. Front view of Grasshopper head with mandibles spread 



out 258 



196. Inner view of maxilla 258 



197. Labium 259 



198. Side view of prothorax with leg 260 



199. Side view of thorax 262 



200. Ventral view of thorax 262 



201. Meta thoracic or jumping leg 264 



202. Dorsal aspect of body 265 



208. Exterior view of auditory organ 266 



204. Side view of male 267 



205. Dorsal view of caudal appendages of male 267 



206. Side view of abdomen ( female ) 268 



207. Side view 269 



208. Digestive system of Bee 270 



209. Digestive, circulatory and nervous system of female 



Grasshopper 271 



210. Respiratory system 273 



211. Reproductive system of female Grasshopper 276 



