438 
Sclerostomies of the Horse 
Looss, A. (1905). The Anatomy ancl Life History of Agchylostomum duodenale 
Dub. Part 1. The Anatomy of the Adult Worm. Rec. Egypt. Govt. School of 
Med. in. 1. 
-(1911). The Anatomy and Life History of Agchylostoma duodenale Dub. 
Part 2. The Development in the Free State. Rec. School of Med. Cairo, 
iv. 167. 
R atlltet, A. et Henry, A. (1902). Sur les Sclerostomiens des Equides. C. r. 
Soc. Biol. p. 5. 
-(1905). Un nouveau Selerostomien (Triodontophorus deminutus nov. sp.) 
parasite de F Homme. C. r. Soc. Biol. Lvm. 569. 
-(1905). Le Triodontophorus deminutus, nouveau Selerostomien parasite de 
l’Homme, et la cachexie africaine. Bull. Mus. d'Hist. nat. 269. 
-(1909). Sur la Classification des Strongylidae. II. Ankylostominae. C.r.Soc. 
Biol. lxvi. 168. 
-(1912). Les Oesophagostomiens Parasites de FHomme. Arch. Parasit. xiv. 
562. 
Railliet, A., Henry, A. et Bauche, J. (1914). Sur les Helminthes de l’Elephant 
d’Asie. Bull. Soc. Pathol, exot. vti. Nos. 1, 2 et 3. 
Sweet, G. (1909). The Endoparasites of Australian Stock and Native Fauna. 
Part 2. New and unrecorded Species. Proc. R. Soc. Viet. xxi. 454. 
EXPLANATION OF PLATE XXII. 
Oesophagodontus rohustus Giles. 
Fig. 1. Female, lateral view of a specimen mounted in glycerine, x S. 
Fig. 2. Male, lateral view of a specimen mounted in glycerine, x 8. 
Fig. 3. Head, lateral view, x 75. 
Fig. 4. Posterior extremity of female body, lateral aspect, x23. 
Fig. 5. Posterior extremity of male body, showing lateral view of the bursa, x 75. 
Fig. 6. Ventral view of the genital cone of male, x 120. 
Fig. 7. Egg, from maternal uterus, x 225. 
An. 
A. P.l. 
B. 
D 1 -D 3 . 
D. C. 
E. d. 
E.l. 
E.L.C. 
E.P. 
INDEX TO LETTERING. 
Anus. 
Accessory branch of the postero-lateral ray of the bursa. 
Bursa of male. 
Branches of the dorsal ray of the bursa. 
Dermal collar of the genital cone. 
Externo-dorsal ray of the bursa. 
Externo-lateral ray of the bursa. 
External (anterior) leaf-crown. 
Excretory pore. 
