HUMBLE CREATUEES; 



PART I. 



THE EAETHWORM 



THE COMMON HOUSEFLY. 



IN EIGHT LETTERS. 



BY 



JAMES SAMUELSON, 



ASSISTED BY 



J. BRAXTON mCKS, M.D. Lond., F.L.S., &c. 



WITH 



MICROSCOPIC ILLUSTRATIONS 



BY THE AUXHOKS. 



PoKt CmebraiS iLuj:. 



SECOND EDITION. 



LONDON: 

 JOHN VAN VOORST, PATERNOSTER ROW. 



MDCCCLX. 



