Plate I. 



EuplccteUa imperialis Lt. 

 All figures in reduced scale of size. 



Fig. 1. An old specimen, 588 mm. long, of fully mature form. 



Fig. 2. A specimen, 491 mm. long, in which the up]ier part had not yet 



attained full size. 

 Fig. 3. A rather 3'oung specimen, 245 mm. long. 



