EXPLANATION OF PLATE 12 



Fig. Ifl. Scutella andersoni Twitchell. Specimen 11363, Univ. Calif. Coll. 

 Invert. Pal. Upper surface of test. Natural size. Tejon Hills, Kern County, 

 Calif., Univ. Calif, loc. 3358. Vaqueros formation. Lower Miocene. 



Fig. 1&. Scutella andersoni Twitchell. Specimen 11364, Univ. Calif. Coll. 

 Invert. Pal. Lower surface of test. Natural size. Same localitj'. 



Fig. Ic. SciiteJla andersoni Twitchell. Specimen 11364. Lateral surface of 

 test. Natural size. 



Fig. 2a. Scutella tejoncnsis Kew, n. sp. Holotype, specimen 11363, Univ. 

 Calif. Coll. Invert. Pal. Upper surf lace of test. Natural size. Tejon Hills. 

 Kern County, Calif., Univ. Calif, loc. 33.58. Vaqueros formation. Lower Miocene. 



Fig. 26. Scutella tejonensis Kew, n. sp. Specimen 1136.5. Lateral surface of 

 test. Natuial size. 



Fig. 3a. Scutella merriami (P. M. Anderson). Cotype, specimen 53, Calif. 

 Acad. Sci. Coll. Invert. Pal. Upper surface of test. X 1%. Coalinga District, 

 Fresno County, Calif. Monterey group. Lower Miocene (Turritella ocoyana zone). 



Fig. 36. Scutella merriami (F. M. Anderson). Specimen 54. Lateral surface 

 of test. X 11/2. 



Fig. Sc. Scutella merriami (F. M. Anderson). Specimen 54. Lower surface 

 of test. X li/o. 



Fig. 3d. Scutella merriami (F. M. Anderson). Specimen 11366, Univ. Calif. 

 Coll. Invert. Pal. Upper surface of test. X IV^- North McKittrick district. 

 Kern County, Calif., Univ. Calif, loc. 3073. Monterey group (Turritella ocoyana 

 zone). Lower Miocene. 



Fig. 3e. Scutella merriami (F. M. Anderson). Specimen 11367, Univ. Calif. 

 Coll. Invert. Pal. Lateral surface of test, sho^ving ridging of the anterior part 

 of the abaetinal surface. X 1M>. Cantua Creek, Fresno County, Calif., Univ. 

 Calif, loc. 3074. Monterey group (Turritella ocoyana zone), Lower Miocene. 



Fig. 3/. Scutella vierriami (F. M. Aiulerson). Specimen 11367. Lower sur- 

 face of test. X 11/2. 



Fig. 40. Scutella gahbi (Remond). Neotype, specimen 11368, Univ. Calif. 

 Coll. Invert. Pal. Upper surface of test, showing typical scutellid plate arrange- 

 ment. Natural size. Contra Costa County, Calif. Lower part of San Pablo 

 group, Upper Miocene. 



Fig. 46. Scutella gahbi (Eemond). Same specimen. Lateral surface of test. 

 Natural size. 



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