mi. 



H 



CONTRIBUTIONS 



FAUNA 



HEW YORK CROTON WATER. 



MICROSCOPICAL OBSERVATIONS 



DURING THE YEARS lSlO-'ff. 



By CHARLES F. G-IS&L.Kf 



C 



The sixth developingstate of Cypri* otflfl 





WITH SEVERAL WOOD-OUTS AND FIVE PLATES, CONTAINING FORTY FINE 

 ENGRAVINGS ON STONE. I 



CHARLES VOGT, STEAM PRINTER, STo. 204 FULTON ST. 



187J3. 



