LIST OF ILLUSTRATIONS XV 



PAGE 



126. A queen termite, (xl.) ...... 365 



127. A soldier termite. ( x 13.) ...... 366 



128. Winged male termite, enlarged ..... 367 



129. A worker termite. ( x 9.) ...... 368 



130. The American spring-tail, enlarged. After Marlatt . 378 



131. The American spring-tail, under side of the body, en- 



larged. After Marlatt ...... 378 



132. The common book -louse, enlarged .... 380 



133. A powder-post beetle (Z. linear is), enlarged . . . 387 



134. The death-watch beetle, enlarged ..... 389 



135. The white-marked spider-beetle, enlarged . . . 393 



136. Chelicera of a spider ; p, poison gland ; d, duct; 0, open- 



ing at tip of fang ; /, fang, enlarged . . . 399 



137. Hour-glass spider, dorsal view. ( x 2|.) . . . 403 



138. Hour-glass spider, ventral view. (x4.) . .. 404 



139. The southern cattle-tick. ( x 4.) ..... 407 



140. A solpugid. After Putnam ...... 409 



141. Centipede from Texas, much reduced .... 412 



142. A dragon-fly. ( x 1.) ....... 415 



143. An earwig. (x2.) ....... 416 



144. An electric light bug (Belostoma) . (xl.) . . . 417 



145. The cannibal bug (R. personatus). ( x 2.) . . . 419 



146. The blood-sucking cone-nose. ( x 3.) . . . .423 



147. Screw worm fly. ( x 3^.) . . ... . .425 



148. The buck moth (H.maia). (xl.) . . . .429 



149. Eggs of the buck moth, (xl.) .430 



150. Poisonous hairs (P) and ordinary hairs (R) of the 



brown-tail moth caterpillars ..... 434 



151. Materials used in fumigation . . . . . 444 



152. A room " strung " for fumigation ..... 446 



