[From the Proceedings of the Academy of Natural Sciences of Philadelpliia, Jan., iscs. | 



A MONOGIIAPH 



OF 



THE ALCID^. 



BY 



ELLIOTT COUES, A. M., M. D. 



(ass't. surgeon u. s. army.) 



PHILADELPHIA: 



MRRRIHEW k SON, PRINTERS, 



No. 243 Arch Street, 

 1868. 



