506 University of California Publications in Geology [Vol. 8 



409. Near south mouth of tunnel on first point southwest of Selby station. 



Napa Topographic Sheet, U. S. G. S. 



410. About three-quarters mile northeast of Hercules Powder Works on bay 



shore along railroad track; second prominent outcrop of gray, coarse 

 sandstone in coming from the powder works. Astrodapsis tumidus 

 subsp. cereboensis found here. 

 467. A little southeast of Oyster Point; NE % NE % See. 28, T. 1 S, E. 1 E, 

 M. D. B. and M. Elevation, 1250 feet. 



479. To southwest of Oyster Point, near center of S % Sec. 20, T. 1 S, E. 1 



E, M. D. B. and M. Elevation, 1550 feet. 



480. In small gully leading into Biggs Canon; near center of NE % See. 28 r 



T. 1 S, E. 1 E, M. D. B. and M. Elevation, 1250 feet, Astrodapsis 

 cereboensis found here. 



481. In same section and only a little south of loc. 480 but stratigraphically 



higher. Astrodapsis whitneyi zone. 

 4x2. Near center of south side of NW % Sec. 28, T. 1 S, E. 1 E, M. D. B. and 



M. Elevation, 1200 feet. 

 486. A little southwest of Oyster Point; SW % SW % See. 21, T. 1 S, E, 1 E, 



M. D. B. and M. Elevation, 1400 feet. 

 488. Just east of Eiggs Canon; NE % SW % Sec. 27, T. 1 S, E. 1 E, M. D. B. 



and M. Elevation, 1000 feet. 

 490. A little to east of center of south side of Sec. 21, T. 1 S, E, 1 E, M. D. B. 



and M. 



492. SW % SE % Sec. 21, T. 1 S, E. 1 E, M. D. B. and M. Elevation, 1750 

 feet. 



741. Twenty-five feet stratigraphically a little above loc. 742, Mount Diablo 



Topographic Sheet, U. S. Gr. S. 



742. Twenty-five feet stratigraphically a little above loc. 743, Mount Diablo 



Topographic Sheet, U. S. G. S. 



743. Near center of north side of NW % See. 28, T. 1 S, E. 1 W, M. D. B. and 



M. Elevation, about 1550 feet. 

 749. In gully just below and a little southwest of 1850-foot hill almost in 

 middle of line between NW % Sec. 24 and NE % Sec. 23, T. 1 S, 

 E. ] W, M. D. B. and M. 



752. On spur running south from 1594-foot hill; NW *4 SE % Sec. 27, T. 1 S, 



E, 1 E, M. D. B. and M. 



753. On west side of 1594-foot hill; SW % NE % Sec. 27, T. 1 S, E. 1 E, M. 



D. B. and M. Elevation, about 1500 feet. 

 757. On spur due west of 1594-foot hill a little east of center of NW % Sec. 

 27, T. 1 S, R. 1 E, M. D. B. and M. Elevation, about 1350 feet, 



761. Near center of NW % Sec, 36, T. 1 S, B, 1 B, M. D. B. and M. Elevation, 



about 1300 feet, 



762. Near middle of north line of NE % NE % See. 28, T. 1 S, E. 1 E, M. D. 



B. and M. Elevation, about 1500 feet, 



763. On south side of 1512-foot hill between elevation of 1450 and 1500 feet 



in NE Vi NE % Sec, 29, T. 1 S, E, 1 E, M. D. B. and M. 



771. A little east of center of NE % NE % See, 28, T. 1 S, E. 1 E, M. D. B. 



and M. Elevation, 1400 feet. 



772. In NE corner of NW % NW Sec. 15, T. 1 W, E. 1 S, M. D. B. and M. 



Elevation, about 751 feet. 

 777. A little east of center of SE % SE *4 Sec. 20, T. 1 S, E. 1 E, M. D. B. 

 and M. Elevation, about 1350 feet. 



