682 



INDEX 



Thompson, Caroline Burling. Origin of 

 the castes of the common termite Leu- 

 cotermes flavipes Kol 83 



VARIATIONS in the larvae of Arbacia 

 punctulata. A study of the causes and 

 the extent of 317 



w 



ALTON, A. C. The oogenesis and 

 early embryology of Ascaris canis 

 Werner 527 



'EUGOPHORA scutellaris (Suffr.) 245 



