STRONG YLINAE 151 



Miiller, 1780, Zool. Dan., ii, PL 42; Looss, 1900, Centralbl. 

 f. Bakt., (I) xxvii, 150; Ihle, 1922, Rep. Comm. Sderostom. 

 Holland, I, Zool. i, 19. 



The genus has been divided into the following subgenera : 



\a. Subgen. Strongijliis Railliet, 1923. 



Buccal capsule with two dorsal and two subventral teeth at 

 its base. Genital cone strongly developed. An accessory- 

 piece present. 



Hab. Large intestine of Equidae. 



Type-species : S. {Strongyhis) equinus Miiller, 1780, of Looss, 

 1900. 



Railliet, 1923, Rec. Med. vet., xcix, 380. 



16. Subgen. Alfortia Railliet, 1923. 



An internal leaf-crown present. Buccal capsule without 

 teeth. Genital cone well developed. An accessory piece 

 present. 



Hab. Large intestine of Equidae. 



Type-species : S. {Alfortia) [Sderostoma] edentatus (Looss, 

 1900). 



Railliet, 1923, Rec. Med. vet., xcix, 381. 



Ic. Subgen. Delafondia Railliet, 1923. 



Buccal capsule with two dorsal teeth towards its base. 

 Genital cone very feebly developed. An accessory piece 

 present. 



Hab. Large intestine of Equidae. 



Tvpe-species : S. {Delafondia) [Sderostoma] vulgaris (Looss, 

 1900). 



Railliet, 1923, Rec. Med. vet., xcix, 386. 



\d. Subgen. Decrusia Lane, 1914. 



Mouth subterminal, facing slightly dorsally. Buccal 

 capsule with two subventral teeth at its base. Accessory piece 

 absent. 



Hab. Large intestine of Indian Elephant. 

 Type-species : S. {Decrusia) [Strong ijlus'] additicta (RaiUiet, 

 Henry & Bauche, 1914). 



Railliet, Henry & Bauche, 1914, Bull. Soc. Path, exot., Paris, 

 vii, 30, 132 ; Lane, 1914, Ind. Journ. Med. Res., ii, 386 ; Railliet, 

 1923, Rec. Med. vet., xcix, 394. 



