PLATE XIV 



Lee Passinore 



A WESTERN TRAP-DOOR SPIDER, Aptostichus. DORSAL VIEW OF MALE 



'^ - : t :>'>-^<-f''<*- 



George M. Bradt George M. Bradt 



a. Surprised in its burrow b. Exposed burrow 



A MEXICAN TRAP-DOOR SPIDER, Eucteniza 



