. Maryland geological survey . MOLLUSCA PELECYPODA. PLATE LV. PAGE Figs. 1-4. Mulinia lateralis (Say) 194 1. Interior of left valve. Wailes Bluff. X 1% 2. Exterior of right valve. 3. Interior of same. 4. Exterior of left valve. Figs. 5-8. Rangia cuneata (Gray) 195 5. Interior of right valve. Potomac shore between Float and Poplar Hill creeks. 6. Exterior of left valve. 7. Interior of left valve. 8. Exterior of right valve. Figs. 9, 10. Essis directus (Conrad) 196 9. Interior of left valve. Portland, Exterior of same. MARYLAND GEOLOGICAL SURVEY. PLIOCENE AND PLEISTOCENE, PLATE MO


. Maryland geological survey . MOLLUSCA PELECYPODA. PLATE LV. PAGE Figs. 1-4. Mulinia lateralis (Say) 194 1. Interior of left valve. Wailes Bluff. X 1% 2. Exterior of right valve. 3. Interior of same. 4. Exterior of left valve. Figs. 5-8. Rangia cuneata (Gray) 195 5. Interior of right valve. Potomac shore between Float and Poplar Hill creeks. 6. Exterior of left valve. 7. Interior of left valve. 8. Exterior of right valve. Figs. 9, 10. Essis directus (Conrad) 196 9. Interior of left valve. Portland, Exterior of same. MARYLAND GEOLOGICAL SURVEY. PLIOCENE AND PLEISTOCENE, PLATE MOLLUSCA PELECYPODA. PLATE LVI. PAGE Figs. 1, 2, 4, 5. Cumingia tellinoides (Conrad) 197 1. Exterior of right valve. Wailes Bluff. X 21/> 2. Interior of same. 4. Exterior of left valve. Wailes Bluff. X 2% 5. Interior of same. Figs. 3, 6. Tellixa (Axgelus) tenera Say 19S 3. Interior of right valve. Wailes Bluff. X 4 6. Exterior of same. Figs. 7-10. Macoma balthica (Linne) 199 7. Interior of left valve. Wailes Bluff. X 1% 8. Exterior of right valve. 9. Interior of same. 10. Exterior of left valve. MARYLAND GEOLOGICAL SURVEY. PLIOCENE AND PLEISTOCENE, PLATE LVI.


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