Insects, etc., Injiirioiis lo the Slrmnherrij. 



473 



LifE-H|STi)I;Y AXJi llAlilTS. 



The niimite worms vary in tliu female from 0-75 t(i (J-KO mm., 

 in the male from O-G to 0-.S5 mm. in length; in oolour they are 

 white, and, as in all eelworm plant-feeders, they have an oral stylet, 



which is small in this species. Fiir fnll details the student is 

 referred to Eitzema Bos's paper (3). The worms )jreed and re- 

 produce in the plants. The main stem of the plant grows up, ))ut 

 suddenly branches vigorously, and these Ijranches remain united in 



