PLATE XXXIII. 



Area hypomela Dall ; Oligocene of Chipola, Florida ; 50 mm. ; p. 637. 

 Area aresta Dall ; Miocene of Alum Bluff, Florida ; 41 mm. ; p. 655. 

 Area phalarca Dall ; Oligocene of Oak Grove, Florida ; 23 mm. ; p. 626. 

 Area areiila Heilprin ; Oligocene of Tampa silex beds ; 47 mm. ; p. 624. 

 Area irregularis Dall ; Pliocene of the Caloosahatchie marls ; 52 mm. , 



p. 623. 

 Area tripliera Dall ; Caloosahatchie Pliocene; 18 mm. ; p. 648. 

 Area tolepia Dall ; Oligocene of Bowden, Jamaica ; dorsal view ; 28 mm. ; 



p. 649. 

 The same, side view ; p. 649. 



Area {Bathyarea) Hendersoni Dall ; Oligocene of Bowden ; 2 mm. ; p. 653. 

 Ervilia chipolana Dall ; Oligocene of the Chipola beds ; 4.2 mm. ; p. 914. 

 Area earolineiisis Wagner; Miocene of North Carolina ; 56 mm. ; p. 639. 

 Area bowdeniaiia Dall ; Oligocene of Bowden, Jamaica ; 11 mm. ; p. 622. 

 Area do?iaeia Dall ; Oligocene of Bowden, Jamaica ; 6,5 mm. ; p. 649. 

 Area paratina Dall ; Chipola marl; 28 mm. ; p. 621. 



Area aeompsa Dall; Oligocene of Alum Bluff, Florida ; 20 mm. ; p. 648. 

 Ervilia oregonensis Dall; Nehalem River, Oregon; 7.6 mm. ; p. 916. 

 Ervilia polita Dall; Caloosahatchie Pliocene; 6.3 mm. ; p. 916. 

 Aligena pustulosa Dall ; Ohgocene of Oak Grove, Florida ; 6. 5 mm. 

 Ervilia triangularis Dall ; Oligocene of the Chipola beds ; 5.7 mm. ; p. 915. 

 Ervilia lata Dall ; Miocene of Duplin County, North Carolina ; 5 mm. ; 



p. 915. 

 Fig. 21. Carolia jainaicensis Dall; Eocene of Cambridge beds, Jamaica; 48 mm. 



broad ; p. 776. 

 Fig. 22. Aligena pustulosa Dall ; Oligocene of Oak Grove, Florida ; view of interior ; 



6.5 mm. 

 Fig. 23. Maetra {JMactrotoiiux) cyinafa Dall; Oligocene of Oak Grove, Florida ; 31 mm. ; 



p. 893. 

 Area Jialidonata Dall ; Oligocene of Bowden, Jamaica ; 56 mm. ; p. 646. 

 Area elisia Dall ; Miocene of Virginia; 56 mm. ; p. 657. 

 Area aetinophora Dall ; Oligocene of Monkey Hill, Panama Railway ; 46 mm. ; 



p. 647. 



928 



