58 "TERRA NOVA" EXPEDITION. 



Expedition Antarctique Franchise (" Pourquoi Pas?"). 18 species (4 doubtful, 8 new, 6 pre- 

 viously known). 



CESTODA : 



*Di}ili>/11obotJmnm reximinii, Railliet and Henry, 1912. 

 wilsoni (Shipley), 1907. 



,, perfoliatum, Railliet and Henry, 1912. 



,, clavatum, Railliet and Henry, 1912. 



,, antarcticum (Baird), 1853. 



,, sp. ? 



Anomotaenia zedcri, Baird, 1853. 



* Tetrdbothrius joubini, Railliet and Henry, 1912. 

 *Choanotaenia dominicana, Railliet and Henry, 1912. 



Tetrdbothrius Jieteroclitus, Dies., 1850. 

 sp. (?) 

 sp. 

 sp. 

 NEMATODA : 



Ascaris decipiens, Krabbe, 1878. 

 osculata, Rud., 1802. 

 falcigera, Railliet and Henry, 1907 ( = A. radlatn, v. Liust., 1906). 



* ,, stcnaci'pUnlti, Railliet and Henry, 1907 ( = A. rectanguln, v. Linst., 1906). 

 ACANTHOCEPHALA : 



*Corynosoma sipho, Railliet and Henry, 1907 ( = C. antarcticus, Renuie, 1906). 



British Antarctic Expedition ("Terra Nova") 1910-13. 



A. 9 Forms previously recorded from the Antarctic Zone, represented in the collection. 



NEMATODA : 



Leptosomatum sctdaum, v. Linst., 1906. 



Ascaris osculata, Rud. [KatUeena] . . . (Hosts, Hydrurga, leptonyx, Lobodon carcinopjiagus 



and (larvae) Trematomus bernaccJili). 



radiata, v. Linst. [KaMeena] . . (Host, LeptonycJiotes weddelli). 

 rectangula, v. Linst. [KntJtleend] . ( ,, ,, ). 



ACANTHOCEPHALA : 



EcJiinorJiyncJms Jiamanni, v. Linst. [Cory- (Hosts, LeptonycJiotes weddelli, Lobodon carcino- 



nosoma]. pliagus, Hydrurga leptonyx). 



CESTODA : 



Tnenia zedcri, Baird [Anomotaenia] . . . (Host, Aptenodytes forsteri). 

 DibothriocepJialus mobilis, Rennie and Reid, ( Leytonychotes weddelli). 



1912. 

 DibothriocepJialus cuntsi, Rennie and Reid, ( ,, ). 



1912. 



DiphyllobotJirium perfoliatum, Railliet and ( ,, ,, ,, ). 



Henry, 1912. 



B. 3 Forms previously recorded from the Arctic Regions, now found in the Antarctic Zone. 



NEMATODA : 



Filaria crassicauda, Creplin [Crassicauda] . (Host, Megaptera). 

 ACANTHOCEPHALA : 



Echinorhynchus tnrbiiirllo (Dies.) Porta. ( ,, ). 



[PomporhyncJius], 

 TREMATODA : 



MonostoMum plicatum, Creplin [Ogmogaster] . (Hosts, Leptoiiycltotes weddelli, Lobodon carcino- 



jihayus). 



