PLATE 22. 



RAIIDAE. 



Fig. 1. Raia diaphanes (Page 339). Fig. 2. Raia stabuliforis (Page 341). 



1. Dorsal view of a specimen 36 j inches long. M. C. Z. 113G. 



2. Dorsal view of a specimen 47^ inches long. M. C. Z. 1138. 



