



A^ MOisrOaRAPH 



ON THE 



GENERAL 



Zethus, ,Gyt)ele, Encriniirus, 



AND 



CRYPTONYMUS. 



By a. W. VOGDES, U. S. A., 



COREESPONDENT OF PHILADELPHIA AND CHICAGO ACADEMIES 

 OF NATURAL SCIENCES. 



GI3".^K.XjEST03Sr, S. C. 

 1S78. 



