ACUARIINAE 219 



Subgen. 1/. Echinuria iSoloviev, 1912. 



Syn. Hamannia RaiUiet, Henry & Sisoff, 1912. 



" Cordons " non-recurrent, but anastomosed in pairs. Body 

 sometimes spiny. Four or five pairs of postanal papillae in 

 the male. Spicules unequal and dissimilar. 



Type-species: A. (E.) [Echinuria]jugadornata Soloviev, 1912. 



Soloviev, 1912, Ann. Mus. Zool., Petrograd, xvii, 110; 

 RaiUiet, Henry & Sisoflf, 1912, Compt. rend. Soc. Biol., Paris, 

 Ixxiii, 623 ; Seurat, 1919, Novit. Zool., London, xxvi, 179 ; 

 Baylis & Daubney, 1922, Mem. Ind. Mus., vii, 321. 



Subgen. \g. Rusguniella Seurat, 1919. 



Two crescentic cuticular " epaulettes " at anterior end. 

 Lateral alae present, extending from behind the epaulettes. 

 Male unknown. 



T3rpe-species : A. {R.) [S2nroptera] elongata (Rudolphi, 1819). 



Rudolphi, 1819, Entozoorum Synopsis, 26, 246 ; Seurat, 1919, 

 Novit. Zool., London, xxvi, 184 ; Baylis & Daubney, 1922, 

 Mem. Ind. Mus., vii, 321. 



Subgen. \h. Seuratia Skrjabin, 1916. 



Syn. Prionostemma Gendre, 1921, e. p. 



Two crescentic cuticular " epaulettes " at anterior end, with 

 denticulate free edges. Two double rows of spines also present 

 on the body. Spicules unequal. 



Type-species : A. (S.) [Gnathostoma] shipleyi (Stossich, 1900) 

 (= Rictularia jMradoxa v. Linstow, 1903 = Acuaria pelagica 

 Seurat, 1916). 



Stossich, 1900, Boll. Soc. Adriat. Sci. nat., Trieste, xx, 1 

 v. Linstow, 1903, Ann. Mus. Zool. St. Petersb., viii, 272 

 Seurat, 1916, Compt. rend. Soc. Biol., Paris, Ixxix, 785 

 Skrjabin, 1916, Compt. rend. Soc. Biol., Paris, Ixxix, 973 

 Baylis & Daubney, 1922, if em. Ind. Mus., vii, 321. 



2. Chevreuxia Seurat, 1918. 



Anterior end with four cuticular " cordons " which are non- 

 recurrent but anastomosed in pairs across the lateral fields. 

 Cuticle in front of cervical papillae raised into a deep conical 

 collar or vesicular swelling. Five pairs of postanal papillae 

 in the male. Spicules very unequal. 



Hab. In galleries between coats of gizzard of a Charadriiform 

 bird (one species known). 



Genotype : G. [SpirajHera] revoluta (Rudolphi, 1819). 



Rudolphi, 1819, Entozoorum Synopsis, 26, 247 ; Seurat, 1918, 

 Bull. Soc. Hist. nat. Afrique du Nord, Alger, ix, 106. 



