PROCEEDINGS 



ameeica:^^ philosophical society, 



HELD AT PHILADELPHIA, FOR PROMOTING USEFUL KNOWLEDGE. 



Vol. XXX. January, 1893. No. 137. 



TABLE OF CONTENTS. page. 



Stated Meeting, January 1, 1S92 1 



The Temperate and Alpine Floras of the Giant Volcanoes of Mexico. 



By Prof. Angela Heilprin 4 



Observations on the Chinantec Language of Mexico. By Prof. 



Daniel G. Brinton, M.D 22 



On the Mazatcc Language of Mexico and its Affinities. By Prof. 



Daniel O. Brinton, M.D 31 



On the Taxonomy of the Genus Emys, C. Dumeril. By Prof. Dr. 



Q. Baur 40 



Studies in South American Native Languages. By Prof. Daniel G. 



Brinton, M.D 45 



Stated Meeting, January 15, 1S92 106 



Stated Meeting, February 5, 1892. 110 



Stated Meeting, February 19, 1S92 113 



Stated Meeting, March 4, 1S92 117 



Stated Meeting, March IS, 1892 120 



A Contribution to the Vertebrate Paleontology of Texas. By Prof. 



E. D. Cope 128 



On Tiaporus, a New Genus of Teiidae (with a plate). By Prof. E. 



B. Cope 133 



!I^" It is requested that the receipt of this number be acknowledged. 



Jl^" In order to secure prompt attention it is requested that all corre- 

 spondence be addressed simply " To the Secretaries of the American 

 Philosophical Society. 104 S. Fifth St., Philadelphia." 



Published for the American Philosophical Society 



BY 



MacCALLA & COMPANY, 



NOS. 237-9 DOCK STREET, PHILADELPHIA. 



