ERRATA. 



Page 44, last line, for " ; " read " and.'' 



Page 92. As I learn from Prof. Asa Gray, the Amaranius here referred to as 

 Blitum, and hitherto so considered hy botanists, is, according to Mr. Watson, 

 a new species. It is common in the Eocky Mountain regions, and has cer- 

 tainly spread from the West ; whereas the Blitum, introduced fioin Europe, 

 has doubtless spread from the East. 



Page 112, line 7, after "Sphinx," add " (Deilephila limata)." 



