DEVELOPMENT OF 



ESTHERIA PACKARD!, 



AS SHOWN BY AETIFICIAL HATCHING 

 FROM DRIED MUD. 



BY 



G. O. SARS. 



WITH 4 AUTOGRAPHIC PLATES. 



^KRISTIANIA OG KJØBENHAVN 

 ALB. CAHMERMEYERS FORLAG 



(LAES SWANSTBØM). 



