264 CALIFORNIA ACADEMY OF SCIENCES  [Proc. 41H Ser. 
EXPLANATION OF PLATE VII 
Photographed by R. E. Shuey 
Fig. 1. Opuntia myriacantha WeBER, young specimen from Indefatigable 
Island. > .436. 
Fig.2. Opuntia galapageia HENSL., young specimen from Hood Island. X 
42. 
