New Zealand Nematodes. 



365 



Furthermore by adding an exponent to the fourth term we 



. 33 . 



may indicate roughly the size of the organs. Thus — 66 — indi- 

 cates a female having the vulva located 66 per cent, of the length 

 from the head end, and whose uteri and ovaries are outstretched 

 and occupy 33 per cent, of the length of the body. Again 



33 



— M — indicates a male with straight testicles extending in 



opposite directions, and whose internal sexual apparatus extends 

 forward from the anus a distance equal to 33 per cent, of the length 

 of the body. 



, spear. 



, nerve-ring. 



i enlarged part of oesophagus. 



, cardiac collum. 



refiexed anterior ovary. 



blind end of same. 

 , vulva. 



.egg- 

 blind end posterior ovary, 

 flexure in posterior ovary. 



, intestine. 

 m, special posterior part of intestine. 



, anus. 



, terminus. 



m 

 n 



o 



Fig. 2. Dorylaimus Bastiani. 



•4 6- 20- '50-' 32 93- , „ 



•9 2-6 3-7 3^9 T5 1<8 mm ' 



