LIST OF PLATES. 



I. 



II. 



III. 



IV. 



V. 



VI. 



VII. 



VIII. 



IX. 



X. 



XI. 



XII. 



XIII. 



XIV. 



XV-XVI. 



XVII-XIX. 



XX. 



XXI. 



XXII. 



XXIII. 



XXIV. 



XXV-XXVI. 



XXVII. 



XXVIII. 



XXIX. 



XXX. 



XXXI. 



XXXII. 



XXXIII-XXXVI. 



XXXVII. 



XXXVIII. 



Life-sized restoration of Diplodocus carnegiei. 



Map: Geology of Eastern Alagoas. 



Panorama of stone reef near Barra de Sao Migue! on 



the Alagoas coast. 

 Specimen of rock of reef near Barra de Sao Miguel on 



the Alagoas coast. 

 Diplomysius dentatus Cope. 

 Diplomyslus dentatus Cope. 

 Knightia eocana Jordan. 

 Ellipes branneri Jordan. 

 Ellipes branneri, Dastilbe crandaUi, Chiromystus alago'en- 



sis. 

 Ellipes riacensis Jordan. 



Reproduction of figure of Ellipes longicostatus Cope. 

 Chiromystus alagoensis Jordan. 

 Ckiromysttis alaguensis Jordan. 

 Bcckmantown Trilobites. Explanation, pp. 44-5. 

 Black River Trilobites. Explanation, pp. 57-9. 

 Chazy Trilobites. Explanation, pp. 78-80. 

 Brachymystax lenok (Pallas). 

 Stenodus leucichthys (Giildenstadt). 

 Coregonus pidschian (Pallas). 

 ' Thymallus arcticiis (Pallas). 

 Vanport fossils. Explanation, pp. 156-7, 

 Brush Creek Fossils. Explanation, p. 157. 

 Ames Fossils. Explanation, p. 158. 

 Vanport Fossils. Explanation, p. 158. 

 Sebastodes deani Starks. 

 Sebastodes clavilatus Starks. 

 Sebastodes emphcetis Starks. 

 Pygidium bai-botiri Eigenmann. 

 Chazy Brachiopods. Explanation, pp. 256-9. 

 Side View of Skull of Oxydactylus longirostris. 

 Palatal View of Skull and Crown View of Lower Dentition 



of Oxydactylus longirostris. 



