NECATORINAE 169 



are bidigitate, i.e. there is a single pair of accessory branches. 

 Spicules slender, barbed. Vulva slightly in front of the 

 middle of the body. Uterine branches opposed. 



Hab. Intestine of Primates, Pigs and Rhinoceroses. 

 Genotype : N. [Uncinaria] americanus (Stiles, 1902). 



Stiles, 1902, Amer. Med., Philadelphia, iii, 777 ; 1903, Journ. 

 Amer. Med. Ass., Chicago, xli, 312; Looss, 1905, Rec. Egypt. 

 School Trop. Med., Cairo, iii, 78. 



2. Brachyclonus Raillict & Henry, 1910. 



Anterior end bent dorsally. Mouth-opening guarded by a 

 pair of ventral cutting-plates. Buccal capsule large, cup- 

 shaped. At its base a pair of strong ventral lancets, a pair 

 of subdorsal lancets and a strongly-developed dorsal cone 

 projecting into the lumen and carrying the dorsal gutter. 

 Bursa entire and elongate. The lateral and ventral rays 

 arise from a much-elongated common trunk, the antero- 

 lateral ray being very widely separated from the remaining 

 ilateral rays. Externo-dorsal rays stout, arising about midway 

 [along the median stem of the dorsal ray. The latter is cleft 

 ■for about one-sixth of its length, and its terminations are 

 Itridigitate, i.e. there are two pairs of accessory branches. 

 ISpicules slender, not barbed. Vulva in anterior half of body. 

 [Uterine branches opposed. 



Hab. Small intestine of Tapir (Tapirus indicus). (One 

 Ispecies known). 



Genot3rpe : B. indicus Railliet & Henry, 1910. 



Railliet & Henry, 1910, Bull. Sac. Path, exot., Paris, iii, 

 |312 ; Khalil, 1922, Ann. Mag. Nat. Hist., (9) x, 235. 



3. Globocephalus Molin, 1861. 



Syni. Cystocejyhalus F^SiiWiet, 1895; C haracostomum Hailliet, 

 [1902 ; Crassisoma Alessandrini, 1909 ; Raillietostrongijhis 

 ILane, 1923. 



Stout forms without leaf- crowns or cutting-plates at the 

 interior margin of the buccal capsule. Buccal capsule deep, 

 Bnfundibular or subglobular, supjDorted anteriorly by an 

 'external chitinoid ring. Mouth-opening tilted dorsally. 

 There may or may not be a pair of teeth at the base of the 

 buccal capsule. Dorsal gutter projects almost to the mouth- 

 opening. Dorsal ray cleft for less than one-sixth of its 

 length, its terminations tridigitate. Spicules slender, curved 

 dorsally at their tips or bent into an S-shape. An elongate 

 accessory piece present. Vulva in posterior half of body. 

 Uterine branches opposed. 



Hab. Alimentary tract of Pigs and Monkeys. 

 Genotype : G. longemucronatus Molin, 1861. 



