56 Cobb — Nematodes, ihostly Australian and Fijian. 



Chbomadora minima. 



Fig, 1. Neck. Fig. 2. Female worm. 



a, cephalic setss _: h, pharynx j o, lateral organ ; d, oesophagus ; e, cardiac swelling ; /, intestine ; g, 

 cardiac coUum ; h, vulva ; i, anus ; j, spinneret. 



MONHYSTEEA RU8TICA. 



Fig. 1. Female worm. Fig. 2. Head and neck of the same worm. 



a, cardiac collum ; h, intestine : c, blind end of ovary ; d, egg ; e, vulva ; /, anus ; g, cephalic setae ; h, 

 base of the pharynx ; i, lateral organ ; j, cardiac collum. 



DORYLAIMUS LABYRINTHOSTOMA. 



Fig. 1. A female worm. Fig. 2. Head of the same worm more highly magnified. Fig. 3. Part of the neck. 



a, mouth-opening ; h, one of the inner row of papillae ; c, one of the outer row of papillae ; d, row of 

 rasping (?) organs ; e, spear-guide ; /, base of the spear ; g, cardiac collum ; h, vulva ; i, 

 pre-rectum ; j, anus ; k, nerve-ring ; I, oesophagus. 



Chromadoka Mus.*. 



Fig. 1. An immature female worm. Fig. 2. Terminus of the tail. Fig. 3. Head. 



a, cardiac bulb ; h, nerve-ring ; c, lateral organ ; d, dorsal tooth ; e, base of the pharynx ; /, anus ; g, 

 oesophagus. 



Plate hi. 



Young Rhabditis. 



Fig. 1. Young worm. Fig. 2. Head and neck. Fig. 3. Head. 



a, lips; h, pharynx; c, oesophagus; d, median bulb; e, nerve-ring; /, cardiac bulb; g, anug; h, 

 nerve-ring. 



AphELENCHUS MINOR. 



Kg. 1. Anterior part of a female worm. Fig. 2. Tail. Fig. 3. Posterior part of a female worm, 



a, tubular part of the oesophagus; h, median sucking-bulb; c, excretory pore; d, vulva; e, vulva; /, 

 anus; g, spinneret. 



Rhabditis coronata. 



Fig. 1. A female worm. Fig. 2. Head of the same worm more highly magnified. 



a, lips ; h, pharynx ; c, median bulb; d, nerve-ring; e, cardiac bulb ; /, cardiac collum ; g, intestine; 

 h, egg ; i, vulva ; j, egg ; k, anus. 



