Plate XX\' ; Fk^s. 245 to 246: IMacxified 450 Diamktkks. 



Fig'. 24S- Siciitor polvinorf'hus in the state of di- 

 vision p. 55 



Fig. 246. Stciitur f'olyiiiorphiis \\hv. A widely 



different variety from I'ig. 245 p. 55 



