228 CALIFORNIA ACADEMY OF SCIENCES 



EXPLANATION OF PLATE L 



PAGE 



Figs. I, la. Mustelus lunulahis Jordan & Gilbert. Panama. 5 



Figs. 2, 2a. Galeus dorsalis Gill. Panama. 7 



Figs. 3, 3a. Carcharias velox Gilbert. Type specimen; Panama. 9 



