90 CATALOGUE OP ENTOZOA. 



Bothriocephalus claviceps, Rudolphi, Hist. Nat. Entoz. ii. pt. 2, 37 ; 



Synopsis, 136 & 472, n. 3; Dujardin, Hist. Nat. Helm. 618; 



Leuckart, Monog. 49, t. 11, f. 28; Deslongch. Enc. Meth. Vers, 



145 ; Blainville, Diet. Sc. Nat. lvii. 610. 

 Botryocephalus claviceps, Lamk. An. S. Vert. iii. 167, 2nd ed. iii. 



582. 

 Dibothriuru claviceps, Diesing, Syst. Helminth, i. 589. 



Ihih. Intestine of the common Eel, Anguilla acutirostris. 



From the collection of M. Siebold. 



9. Bothriocephalus anthocephalus. 



Taenia phocarum, Fabricius, Faun. Groenl. 316, n. 296 ; Dansk. 

 Selsk. Skrivt. i. 2, 153-155, t. 10, f. 3. 



Tamia phocse. Muller, Naturf. xiv. 179; Batsch, Bandw. 232, n. 2 ; 

 Schrank, Verzeich. 50, n. 153; Gmel. Syst. Nat. 3073, n. 52; 

 Goeze, Naturg. 372 (note) ; Bosc, Hist. Nat. Vers, i. 302 ; Des- 

 longch. Enc. Meth. Vers, 715; Lamk. An. S. Vert. 2nd ed. iii. 

 575. 



Alyselminthus lanceolato-lobatus, Zeder, Nachtrag, 246. 



Alyselminthus phocarum, Blainville, Diet. Sc. Nat. lvii. 607. 



Halysis lanceolato-lobata, Zeder, Naturg. 329, n. 1. 



Taenia anthocephala, Rudolphi, Hist. Nat. Entoz. ii. pt. 2, 91 ; Syn- 

 opsis, 146, n. 8 ; Dujardin, Hist. Nat. Helm. 591. _ 



Tetrabothrium anthocephalum, Diesing, Syst. Helminth, i. 601. 



Hah. Intestines of the Leporine Seal, Phoca barbata. From Baffin's 



Bay. 

 Presented by Capt. Sabine. 



10. Bothhiocephalus antarcticus, Baird. 



Head conical, elongated, smooth, with two lateral fossettes oppo- 

 site. At the lower margin of each fossette there are two small 

 rounded lobes projecting. Body rounded. From the neck some 

 way downwards it is quite round or cylindrical, and the arti- 

 culations are very numerous and very small, appearing like 

 mere ridges across. Lower down the body becomes natter, and 

 the joints larger and more developed ; the lower margin thin. 

 An impressed line runs along the centre of the body through 

 its whole length. 



Length about 9 inches, greatest breadth of body about 3 lines. 



Il'ih. Stomach and intestines of a Seal caught about and within 

 the Antarctic circle. 



Presented by the Admiralty. 



