398 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 24 



PLATE 25 



Fig. 1. Petrolisthes tiburonensis Glassell, male. Isia Angel de la 



Guarda, Gulf of California. 

 Fig. 2. Petrnlistlies galapat/fiisis, n. sp., male paratype. Isla Charles, 



Galapagos Islands. 



Fig. 3. Petrolisthes tiburonensis Glassell, female. Isla Angel de la 



Guarda, Gulf of California. 

 Fig. \. Petrolisthes tridentatus Stimpsoii, male. Port Parker, Costa 



Rica. 



