FIKST BIENNIAL EEPOET 



OF THE 



PROCURESS 



OF THE 



GEOLOGICAL SURVEY 



ODB" 1 MICHIGAN, 



EMBRACING OBSERVATIONS ON THE 



GEOLOGY, ZOOLOGY AID BOTAFY 



OF THE 



LOWER PENINSULA. 



-* — ««<■» ► — ►- 



MADE TO THE GOVERNOR, DECEMBER 31, I860. 



$££ ^ktitkadty.. 



LANSING: 

 Hosmer &c Kerr, Printers to the State. 



1861. 



