NEST MAKING: ITS ORIGIN AND USE. 



321 



fe^S-;3S?---- 



Fig. 301. 



Fig. 303. 



Fig. 301. The sUk lined burrow or nest of the American Trapdoor spider, Cteniza califomica. The 

 earth is cut away, giving a vertical exposure of the tube and its lining. Fiu. 302. A colony 

 of Purseweb spiders' nests on a palmetto trunk. Fiu. 303. Purseweb spider's tube ; soil removed 

 to show underground burrow. 



