ILLUSTRATIONS. 



Page. 



Plates I-CVII. Mesozoic and Cenozoic Echinodermata 228-336 



CVIII. A, Astrodapsis tumidus Remond in matrix, Santa Margarita formation (upper Miocene), 

 Nacimiento River, San Luis Obispo County, Cal.; B, Dendraster gibbsii (Re'mond) in upper 



Miocene (?) beds, K. W. Jones ranch, Kings County, 20 miles southeast of Coalinga, Cal 336 



5 



