WORMS I'RU.M JIA.MMALS ANU HIKUS. 



495 



The caudal region is loiiy and slender, and its extremity in bofcli 

 sexes is provided \\itli a. pair of conical appendages ; in front of 

 tliese on the ventral surface is a pair of small Hat papilla^. 



2Iale 35-40 mm. long, its greatest breadth about 0"25 mm. 

 Tlie head has a breadth of only 0-07 mm. 



The posterior end of the body is coiled in a loose spiral. 

 Cloacal aperture 0-25-0"28 mm. from the exti'emity. Male 



Text-fis-ure 3. 



v.— 



- _yO. oe. 



ca.- 



Jcauthoc/ieilon.ciiia diacantha (Molin). 



A. Liiteral view of aiiteriov cxtveinity of female. X 120. 15. Dorsal view of 

 head. X 235. C. Tail of female, lateral view. X 225. 



".a?., anterior region of tcsopliagus ; cm., caudal appendage; cp., caudal papilla; 

 if. 2J., lateral head-papilla; n.r., nci've-i"ing ; p.oc., posterior region of oesophagus 

 s.p., submcdiau head-papilla; v., vulva. 



papilhe small, consisting of five pairs, four preanal and one [)Ost- 

 anal close l)ehind the cloaca. 



The unequal spicules measure 0'14 and 0"11 nun. in length 

 respectively ; the longer spicule is tubular in shajje, with a some- 

 what ill-defined membranous posterior region, the smaller spicule 

 is in the form of a strong tube, bent in the middle. 



Female 58-65 mm. in length, with a maximum breadth of 

 about 0'35 mm. Head 0"08 mm broad. 



Anus about 0*2 inm. from the posterior extremity. 



