1922. j 



H. A. Baylis and R. Daubney: Parasitic Nematodes. 



301 



0065 XO'035 mm. and contain fully-formed embryos. The anus is situated at 11 mm. 

 from the tip of the tail. 



The tail of the male (fig. 38) measures 0*21 mm. in length and is drawn out at 

 the tip into a fine point. There are eleven pairs of papillae, four pairs of which are 

 preanal, two adanal, and five postanal. The sucker is situated at about 0*65 mm. in 

 front of the anus, and is spindle-shaped. Of the preanal papillae a latero-ventral pair 

 is situated on the lateral border of the sucker and towards its anterior margin : 

 variation in the position of this pair is not uncommon. The remaining three pairs 

 are placed between the sucker and the anus. The anterior of these is laterally placed 

 at about 015 mm. behind the sucker. The next two pairs are ventral, one being 

 about 0*07 mm. behind the preceding pair, and the other just anterior to the adanal 



Fig. 38. — Subulura galloper dicis. Posterior end of male: lateral view. 



a.p., accessory piece. 



papillae. The two pairs of adanal papillae are placed on the anterior border of the 

 cloaca, one lateral to the other. Of the postanal papillae, the third pair is quite 

 lateral, the remaining four pairs ventral. The first and second pairs are small and 

 close to the tip of the tail. The fifth pair is immediately posterior to the anus, and 

 the fourth pair is a little less than half-way between the second and fifth pairs. The 

 third pair, which is lateral, is situated about midway between the anus and the tip 

 of the tail. 



The spicules are equal, long and slender. They measure from 076 to 08 mm. 

 in length, and are tapered to a fine but rounded point. They consist of a cylindrical 

 axis, which measures about 0"oii mm. in diameter, and two alae. Their total width 

 is about 002 mm. The edges of the alae are very finely serrated. There is an 



