EXPLANATION OF PLATE 10 



Figures approximately natural size. 



Fig. la. Scutella norrisi Pack. Lectotype, specimen 11027, Univ. Calif. Coll. 

 Invert. Pal. Upper surface of test. San Joaquin Hills, Orange County, Calif., 

 Univ. Calif, loc. 1157. Vaqueros formation, Lower Miocene. 



Fig. 11). Scutella norrisi Pack. Holotype, specimen 11028, Univ. Calif. Coll. 

 Invert. Pal. Lower surface of test. Near Stone Canyon Coal Mine, Monterey 

 County, Calif. Vaqueros formation, Lower Miocene. 



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