— 247 — 
S. sp. ? 
Gallus domesticus: MopENA, Casali: Ann. soc. nat. 1874 [187]. 
S. (Spiroxys) contorta Rud. 
Cistudo europaea: Rimini, Rudolphi: Ent. Synops. II, 25 e 
242 [924]; Molin: Monogr. Spiropt. 1861 [629] — Pisa, Son- 
sino: Notiz. elmint. 1889 [1008]. 
S. papillata Molin 
Squalius cavedanus: Papova, Molin: Cephalot. 1859 [626]. 
Gen. Onchocerca lies. 
O. reticulata Dies. (Spiroptera circinnata Ercol.). 
quus caballus: BoLogna, Ercolani: Mem. Istit. 1865 [351]; 
O. P.: Giorn. Anat. 18741 [685] — Torino, Barrucchello: Due 
casi ecc. 1881 [45]; Bassi: Alc. fibromi 1875 [49]; 1885 [50 e 
56]; Perroncito: I parass. 1882 |809] — PineroLo, Perroncito: 
I. cit. [809] — Mopena, Generali: Not. elmint. 1883 [428] 
— Pisa e Lucca, Vigezzi: Giorn. anat. 1385 [1120]. 
Gen. Physaloptera Rud. (Molin: Una monogr. gen. Physa- 
lopt. [630]; Stossich: il gen. PAysalop. 1889 [1044]). 
Ph. alata Rud. 
Accipiter nisus, Circus cyaneus: Sassari, Parona C.: Elm. 
sard. [714]; Stossich: Monogr. cit. 15 [1044). 
Ph. abbreviata Rud. (larva). 
Lacerta muralis: Genova, Parona C.: Elm. lig. [715]. 
Fam. Anguillulidae Gerv., v. Ben. 
Gen. Rhabdonema Leunck. 
R. strongyloides Leuck. (Anguilla intestinalis Nordm. e 
Gras., Par.; A. stercoralis Bav.; Pseudorhabditis Perr.) 
Homo: Pavia, Grassi, Parona C. e E.: Arch. sc. med. [486] 
— Mitano e RoveELLASca, Grassi: Gazz. med. lomb. 1879 [455], 
e 1889; Rendic. Istit. lomb. [456] — Torino e ArRroLo (S. Got- 
