TD 





■ 



CONTRIBUTIONS 



FAUNA 



NEW YORK CROTON WATER. 



MICROSCOPICAL OBSERVATIONS 



DURING THE YEARS 187O-7I. 



^H^ll 



The sixth developing state of Cypris ovum. 



WITH SEVEKAL WOOD-CUTS AND FIVE PLATES, CONTAINING FORTY FINE 

 ENGRAVINGS ON STONE. 



CHARLES VOGT, STEAM PRINTER, No. 204 FULTON ST. 



187S. 



