Mor/>holorfi/ of Bri\c\iyc\o\\U4 indicus. 211 



027 mill. Two small pai)illa3 lie on cither side of the cloacal 

 opening. 



Female Tail. — The posterior end of the body of the female 

 is frequently twisted, so that the anus may be seen j)iactically 

 on the dorsal surface of the body. The length of the tail is 

 0*52 mm. (tig. 5). 



Ova. — The ova seen in the uterus of the female measure 

 60 /i in length and 36 fi in breadth. They frequently contain 

 two or three segments, rarely a morula (fig. 6). 



Habitat. — Small intestine of Tapirus indicus^ Malay States 

 (died in London). 



Discussion. 



The genus Drachyclonus is closely allied to Necator^ 

 differing from it mainly by the following: — 



Bvachychlonus. . Kecdtor. 



Dorsal ray bifurcated uear its tip. ])orsal ray divided almost to base. 



Externo-tlorsal ray not narrowed Exteriio-dorsal ray narrowed at 



at its origin. its origin. 



Spicules not barbed at tbeir tip. Spicules barbed at their tip. 



The genus Brachyclonus may bo defined as follows : — 

 Braciiyclonus, Rail. & Henry, 1910. 



Bunostominse. Mouth-capsule with the dorsal cone freely 

 projecting into the mouth-cavity. Mouth-opening guarded 

 with two chitinous plates. There are four chitinous teeth or 

 lancets springing from the floor of the mouth — two ventral and 

 two dorsal on either side of the dorsal cone. The caudal 

 bursa is symmetrical. The dorsal ray divides near its end and 

 each of its divisions is tiidigitate. The externo-dorsal ray 

 sjjrings from the undivided trunk of the dorsal ray. The 

 vulva is placed in the anterior half of the body. 



Type-species, Brnchijclonus indicus, Kail. & Henry, I'JIO. 



No other species belonging to this genus has been 

 described. 



KliFEKENXi:. 



IiAILLIKT & IIknuy. lUlO. "Qiiel([ui'3 Helmiiithi-- nuuveaux on peu 

 ccMinus du groupc dcti Bunoatomieud.' UuU. de lu Soc. de ratliu- 

 logie Eiuiique, tome iii. no. 5. 



Ann. (0 Maj. J. llht. Ser. 0. Vol, x. K; 



