EXPLANATION OF PLATE 38 



Figures approximately natural size. 



Fig. Ifl. MeUita longifissa Miehelin. Specimen 11025, Univ. Calif. Coll. 

 Invert. Pal. Upper surface of test. Ne\vport Beach, Orange County, Calif. 

 Upper San Pedro formation, Pleistocene. 



Fig. lb. MeUita longifissa Miehelin. Same specimen. Lateral surface of test. 



Fig. \c. MeUita longifissa Miehelin. Same specimen. Lower surface of test. 



Fig. Id. MeUita longifissa Miehelin. Same specimen. One of the jaws seen 

 from the lower side. 



Fig. If. MeUita longifissa Miehelin. Same specimen. One of the jaws seen 

 from the upper side. 



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