MnMDIRSCALACAD.Sci.VDLin. 



[Arnold] Pl^ XXXIV. 



&?-fSi'* 



Figure a. Ventura. — Side ot ravine above the Barlow ranch house, looking vi'est, showing tossiliferous 

 upper San Pedro (Pleistocene) beds at an elevation of over six hundred feet above sea-level, dipping at an 

 angle of over 40°. Photograph by R. Arnold. 



Figure b. San Diego.— Bluff at La Jolla capped by Pleistocene deposit of gravel and sand. 



Photograph by F. L. Park. 



