LIST OF ILLUSTRATIONS XXV11 



PAGE 



Plate XL American Tertiary Fossils 504 



Fig. 1. Ostrea virginiana Gmelin, |. Miocene, New Jersey : after 



Whitfield. 

 Fig. 2. Pecten madisonicus Say, |. Miocene, New Jersey : after 



Whitfield. 

 Fig. 3. Cardita perantiqua Conrad, {. Eocene, New Jersey: 



after Whitfield. 

 Fig. 4. Volutolithes sayana Conrad, f. Eocene, New Jersey: 



after Whitfield. 

 Fig. 5. Oliva carolinensis Conrad, f. Miocene, New Jersey: 



after Whitfield. 

 Fig. 6. Helix Dalli Stearns, ]-. John Day Stage, Oregon : after 



White. 

 Fig. 7. Planorbis convolutus Meek & Hayden, \. Laramie Cre- 

 taceous, Montana : after Meek. 

 Fig. 8. Aturia Vanuxemi Conrad, \. Eocene, New Jersey : after 



Whitfield. 

 Fig. 9. Glyptostrobus Ungeri Ffeer, \. Green River Eocene, 



Wyoming : after Lesquereux. 

 Fig. 10. Salix sp., f. Oligocene of Florissant, Colorado. 



Plate XII. Tertiary Fossils from Florida 521 



Fig. 1. Marginella aurora Dall, f. Miocene, Florida : after Dall. 



assa bidenta 



after Dall. 

 Fig. 3. Murex Conradi Dall, -§. 



Dall. 

 Fig. 4. Natica fioridana Dall, \. Miocene, Florida : after Dall. 

 Fig. 5. Mitra Willcoxi Dall, \. Pliocene, Florida : after Dall. 

 Fig. 6. Fasciolaria tulipa Linn, \. Pliocene to Recent, Florida : 



after Dall. 

 Fig. 7. Typhis flcridanus Dall, \. Pliocene, Florida : after Dall. 

 Fig. 8. Turbo rectogrammicus Dall, \. Pliocene, Florida : after 



Dall. 



