ORTMANN 



TERTIARY INVERTEBRATES. 



28l 



2. Scutella patagonensis. 



3. Rhynchondla plicigera. 

 4- TerebrateUa dorsata. 



5. TerebrateUa patagonica, 



6. Glycimeris ibari. 



7- Perna quadrisulcata. 

 8. 



9. Pec ten geminatus. 

 i o. Modiola andina. 



1 1 . Lucina promaucana. 



1 2. Cardium philippii. 



1 3 . Cardium puelchum. 

 14- Venus volckmanni. 

 15. Panopea regularis. 

 *6. Panopea qncmadensis. 



1 7. Gibbu/a Icevis. 



1 8. Scalaria rugulosa. 



19. Iiftmdtbtthtm corrugatum. 



20. Turritella ambulacrum. 



2 1 . Turritella patagonica. 



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22. Strutliiolaria ameghinoi. 



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San Julian; Salt Lake; Lake Pueyrredon. 



Lhaha ; 30 miles north of Rio Chalia. 

 Lake Pueyrredon. 

 Las Salinas ; Shell Gap. 

 : Lake Pueyrredon. 

 Shell Gap. 



: San Julian; Salt Lake; Lake Pueyrredon. 

 Kio Chaha ; Lake Pueyrredon. 

 : Lake Pueyrredon. 

 Rio Chalia ; Lake Pueyrredon. 

 ' Lake Pueyrredon. 

 Lake Pueyrredon. 

 : San Julian; Salt Lake ; Lake Pueyrredon. 



-haha; Sierro Oveja; Lake Pueyrredon. 

 San Julian ; Lake Pueyrredon. 

 Sierra Oveja ; Lake Pueyrredon. 

 : Lake Pueyrredon. 

 Lake Pueyrredon. 

 : Paso del Rio Santa Cruz. 

 Rio Chalia. 

 : Lake Pueyrredon. 

 Lake Pueyrredon. 

 : Santa Cruz. 

 Sierra Oveja. 



: Santa Cruz ; Lake Pueyrredon. 

 Lake Pueyrredon. 



: San Julian ; Lake Pueyrredon. 

 Lake Pueyrredon. 



: San Julian ; Lake Pueyrredon. 



Rio Chalia ; Lake Pueyrredon. 



: San Julian ; Lake Pueyrredon. 



Lake Pueyrredon. 

 San Julian ; Lake Pueyrredon. 



Rio Chalia ; Sierra Oveja. 

 : San Julian. 



Rio Chalia ; Lake Pueyrredon. 

 : Santa Cruz ; Lake Pueyrredon. 



Rio Chalia ; Lake Pueyrredon. 

 : Santa Cruz ; San Julian. 

 Rio Chalia. 



San Julian ; Lake Pueyrredon. 

 Rio Chalia ; Lake Pueyrredon. 



