Page:Field Notes of Junius Henderson, Notebook 4.pdf/27

 Spanish Bight, hard layer fossiliferous Pleistocene forms beach at foot of bluff. , slightly tilted San Diego Pliocene sandstone capped by horizontal upper San Pedro gravels. San Diego formation rests on massive gravels and conglomerates at. Here San Diego has a and a  horizon. Foot of 26th st., upper San Pedro formation in lower half of bluff, with horizon at base and forming low reef on beach. Pliocene, 2 faunal horizons, but one stratigraphic unit.

((I have asked Shi-Kuei Wu to go over this list of taxa and he has made some corrections which I have included if they pertain to spelling. If the taxon has changed because of later revisions, corrections, or synonomies that is noted after the original reference.))

Cowries. - brown cowry , 1/2 in., heavy, smooth, aperture toothed , much smaller, delicate , slender-

{added:} , large coffee bean with dorsal caudal in californica, small, no caudal