PLATE XXIY. 
Fernando (Pliocene) Fossils. 
(Unless otherwise indicated all figures are natural size.) 
Fig. 1 . Crepidula princeps Conrad. U.S.N.M. 165268. Longitude 76 mm. Side 
view. Waldorf asphalt mine (4473). Known only in the fossil state, 
and found in Santa Barbara County only in the Fernando formation, 
although it is known from the lower Miocene farther north. 
Fig. 2. Crepidula princeps Conrad. U.S.N.M. 165315. Longitude 106 mm. View of 
interior, showing deck. Packards Hill, Santa Barbara. 
Fig. 3. Aslyris richthofeni Gabb. U.S.N.M. 165266. Altitude 14 mm. Aperture 
view, X 2. Waldorf asphalt mine (4473). So far known only as fossil. 
Fig. 4. Nassa californiana Conrad. U.S.N.M. 165304. Altitude 30 mm. Aperture 
view. Graciosa Ridge, near Orcutt (4477). Characteristic of this 
horizon in the Santa Maria district. 
Fig. 5. Area trilineata Conrad. U.S.N.M. 165301. Left valve; longitude 46 mm. 
View of exterior. Fugler Point asphalt mine, near Gary (4475). Com¬ 
mon in the Fernando and equivalent formations and also found in the 
Monterey. 
Fig. 6. Echinarachvius ashleyi Merriam. U.S.N.M. 165259. Maximum diameter 69 
mm. View from above. Graciosa Ridge, near Orcutt (4469). 
Fig. 7. Echinarachnius ashleyi Merriam. U.S.N.M. 165259. Maximum diameter 47 
mm. View from below. Same locality as fig. 6. 
Fig. 8. Echinarachnius excentricus Esclischoltz var. U.S.N.M 165285. Maximum 
diameter 41 mm. View of top. One mile north of Schumann (4474). 
This variety is probably characteristic of this horizon. 
150 
