PATAGONIAN EXPEDITIONS ! PALAEONTOLOGY. 
EXPLANATION OF PLATE XXIX. 
PAGE 
Fig. i. Meretrix(?) pseudocrassa (Ortm.) . . . . . . 142 
Upper Magellanian beds ; Punta Arenas. 
la. Outer view of right valve. 
lb. Hinge of the same. 
Fig. 2. Dosinia meridionalis v. Ih. . . . . . . 145 
Patagonian beds ; mouth of Santa Cruz River. 
2 a. Outer view of left valve. 
2 b. Hinge of the same. 
2 c. Inner view of a smaller right valve. 
Fig. 3. Tellina tehuelcha v. Ih. . . . . . . . 147 
Patagonian beds ; Shell Gap, Rio Chico, upper horizon. 
Cast of left valve. 
Fig. 4. PsAMMOBIA PATAGONICA Phil. . . . . . . . 1 49 
Patagonian beds ; mouth of Santa Cruz River. 
Outer view of left valve. 
Fig. 5. Panopea ibari Phil. ......... 152 
Lower Magellanian beds ; Punta Arenas. 
Two valves, imbedded in matrix. 
Fig. 6. Panopea subsymmetrica (Ortm.). • • • • • • 153 
Upper Magellanian beds ; Punta Arenas. 
Outer view of right valve. 
Fig. 7. Panopea pilsbryi Ortm. ...... . . 154 
Cape Fairweather beds ; Cape Fairweather. 
Cast of right valve. 
Fig. 8. Mactra(?) darwini Sow. . . . . . . . . 149 
Patagonian beds ; mouth of Santa Cruz River. 
Outer view of right valve. 
Fig. 9. Mactra garretti Ortm. . . . . . . . . 150 
Patagonian beds ; Mt. of Observation, upper horizon. 
9 a. Outer view of left valve. 
9 b. Inner view of the same. 
9 c. Hinge of the same, 2/1. 
9 d. Hinge of right valve, 2/1. 
All of the figures, unless otherwise stated, are natural size. 
(VOL. iv) 
