PATAGONIAN EXPEDITIONS : PAL/GONTOLOGY. 



EXPLANATION OF PLATE XXVI. 



PAGE 



Fig. i. GLYCIMERIS IBARI (Phil.) 94 



Patagonian beds. 



la. Outer view of right valve of a large individual. Punta Arenas. 



\b. Hinge of the same. 



ic. Outlines of inner views of three young individuals of different 



size. Mouth of Santa Cruz River. 



Fig. 2. LEDA OXYRHYNCHA (Phil.) 83 



Patagonian beds ; mouth of Santa Cruz River. 

 ia. Right valve. 

 2b. The same, 3/1. 



Fig. 3. LEDA ERRAZURIZI (Phil.) 84 



Patagonian beds ; mouth of Santa Cruz River. 

 30. Left valve. 

 $b. The same, 3/1. 



Fig. 4. MALLETIA ORNATA (Sow.) 85 



Patagonian beds ; Paso del Rio Santa Cruz. 



Outer view of right valve. 



Fig. 5. CARDITA ELEGANTOIDES Ortm. 125 



50. Right valve of type specimen. Upper Magellanian beds ; 



Punta Arenas. 

 5^. Outer view of right valve of a specimen from the Patagonian 



beds ; mouth of Santa Cruz River. 

 5^. Inner view of the same. 



Fig. 6. CARDITA VOLCKMANNI Phil. 126 



Patagonian beds ; Lake Pueyrredon, 600' above base. 



Cast of right valve. 



Fig. 7. CARDITA IN^QUALIS Phil. . . 127 



Patagonian beds ; mouth of Santa Cruz River. 



"ja. Left valve of specimen of medium size, showing in part 

 original sculpture of shell, partly outer layer removed. 

 (250' above high tide.) 

 7^. Right valve of a large individual. 

 "jc. Hinge of the same. 

 7</. Inner view of left valve, showing hinge. 



Fig. 8. CARDITA PATAGONICA Sow. - 128 



Patagonian beds; mouth of Santa Cruz River, 250' above high tide. 

 8a. Outer view of left valve. 

 86. Inner view of the same. 

 8c. Inner view of a right valve. 



