PLATE XVI. 
Vaqueros (Lower Miocene) Fossils. 
(Unless otherwise indicated all figures are natural size.) 
Fig. 1 . Pecten (. Lyropecten ) magnolia Conrad. U.S.N.M. 165317. Right valve; alti¬ 
tude 155 mm. View of exterior, X b San Julian ranch. A character¬ 
istic Vaqueros species. 
Fig. 2. Ostrea eldridgei Arnold. U.S.N.M. 165307. Left valve; altitude 100 mm. 
View of exterior. Mouth of Ballard Canyon, 2 miles south of Santa Ynez 
(4478). Characteristic of this horizon. 
Fig. 3. Turrilella ineziana Conrad. U.S.N.M. 165321. Altitude 120 mm. View of 
side. Ten miles west of Santa Ynez (4514). Characteristic of this hori¬ 
zon throughout the Coast Ranges. 
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