. Report of the Geological exploration of the fortieth parallel . l! I> XIII. 1. InoCERAMUS EHECTUS , 145 1. A side view of au internal cast of both valves, somewhat distorted. 1 a. Another small cast of a left valve. Fig. 2. Inoceramus problematicus ? 143 2 a. Cast of a light valve. 2 6. A part of an internal cast of a form with a more pointed beak (partly dae to distor-tion), possibly belonging to another species. Fig. 3. Inoceramus Simpsoni. An internal cast of a right valve, with some remaining portion^of the shell. Portions of the basal and posterior dorsal margins being
. Report of the Geological exploration of the fortieth parallel . l! I> XIII. 1. InoCERAMUS EHECTUS , 145 1. A side view of au internal cast of both valves, somewhat distorted. 1 a. Another small cast of a left valve. Fig. 2. Inoceramus problematicus ? 143 2 a. Cast of a light valve. 2 6. A part of an internal cast of a form with a more pointed beak (partly dae to distor-tion), possibly belonging to another species. Fig. 3. Inoceramus Simpsoni. An internal cast of a right valve, with some remaining portion^of the shell. Portions of the basal and posterior dorsal margins being brokenaway 143 Fig, 4. Inoceramus (nndt. sp.), side view 144 4 a. A profile outline of Pago. Fig.^y. CUCULLiEA (Trigonarca?) obliqua , 148 1. Internal cast of a left a. Another larger one of 6. A cast of right valve of same. Fig. 2. CoRBULA (cast in sandstone) 150 Fig. 3. Inoceramus erectus. An anterior view of an internal cast of the two valves partly 145opened. Their lower margins are distorted, and probably were originally asbroad as indicated by the outlines below. Fig. 4. Inoceramus deformis 146 j^j 4. Cast of a right valve, with a part of the anterior margin and beak broken a. Another view of sariie. Fig. 5. Mactka (Trigonella?) arenaria 154 A view of the exterior of the left valve. GeoIEx;fil 401arajlel Cretaceous Plate XIV:
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Keywords: ., booksubjectbotany, booksubjectgeology, booksubjectpaleontology
