. Bulletin of the United States Geological Survey--The Santa Clara Valley, Puente Hills and Los Angeles Oil Districts. MIOCENE PELECYPODA AND GASTEROPODA PLATE XXXII. Miocene Pelecypoda, Gasteropoda, and Crustacea. i All figures natural size i Fig. 1. Pecten (Hinnites) giganteus Gray. L64965. Exterior of rightvalve; altitude .»() mm. Lower Miocene-, supposed equivalent of Vaque|ros formation, gulch easl of Wiley Canyon, southwest of Pirn, VenturaCounty. A very variable species ranging from the lower Miocene to theRecent fauna. Fig. 2. Ostrea titan Conrad. L64987. View of exte
. Bulletin of the United States Geological Survey--The Santa Clara Valley, Puente Hills and Los Angeles Oil Districts. MIOCENE PELECYPODA AND GASTEROPODA PLATE XXXII. Miocene Pelecypoda, Gasteropoda, and Crustacea. i All figures natural size i Fig. 1. Pecten (Hinnites) giganteus Gray. L64965. Exterior of rightvalve; altitude .»() mm. Lower Miocene-, supposed equivalent of Vaque|ros formation, gulch easl of Wiley Canyon, southwest of Pirn, VenturaCounty. A very variable species ranging from the lower Miocene to theRecent fauna. Fig. 2. Ostrea titan Conrad. L64987. View of exterior of larger valve;altitude L31 nun. Lower Miocene, 3 miles south of Calabasas, Los Ange-les County. A common form in the upper and lower Miocene; oftengrows to a length of 20 inches (500 mm.) or more. (See PI. XXVII, fig. 2| Fig. 3. Trochita costellata Conrad. L64994. View from above; maximumdiameter 38 mm. Same locality as fig. 2. Common in the Miocene. Fig. 4. Phacoides richthofeni Gabb. L64978. Righl valve; altitude Same locality as fig. 2. Fig. 5. Balanus concavus Bronn.
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