92 CATALOGUE OF ENTOZOA. 



III. SCHISTOCEPHALUS. 



Taenia (sp.), Midler, Schrank, Block, <kc. 



Bothriocephalus (sp.), Rudolphi, Mehlis, Bremser, Leuckart, d'c. 

 Rhytis (sp.), Zeder. 

 Halysis (sp.), Zeder. 



Schistocephalus, Creplin, Nov. Obs. 90; Allgem. Encyc. 296; Meh- 

 lis, Isis, 1831, 192; Dujardin, Hist. Nat.' Helm. 622; Diesing. 



1. Schistocephalus dimorphus. 



Schistocephalus dimorphus, Creplin, Nov. Obs. 90; Allgem. Encuk. 

 xxxii. 296; Mehlis, Isis, 1831, 193 ; Dujardin, Hist. Nat. Helm. 

 623 ; Diesing, Syst. Helminth, i. 584. 



1. In the first degree of development; in the intestine of the 



Gasterosteus. 



Frisch, Miscell. Berol. iv. 1727, 395. 



Hirudo depressa alba, Linneus, Oelandsk. och Gothlandsk. Llesa, 250. 



Fasciola hepatica (part), Linneus, Syst. Nat. ed. xii. 1077. 



Taenia lata, Pallas, Elench. Zooph. 410. 



Taenia acutissima (part), Pallas, Nord. Beyt. i. 1, 76-78, t. 3, f. 27. 



Taenia solida, Muller, Zool. Ban. Prod. 2657 ; Zoega, Naturf. xviii. 

 25 (note) ; Gmel. Syst. Nat. 3079, n. 80 ; Schrank, Verzeich. 49, 

 n. 147. 



Taenia gasterostei, Muller, Naturf. xviii. 22-35, t. 3, f. 1-5 ; Fabri- 

 cius, Faun. Groenl. 320, n. 300; Batsch, Bandw. 224, f. 170; 

 Abildgaard, Dansk. Selsk. Skrivt. i. 1, 53-58 ; Vers, 49-53, t. 5, 

 f. 1, n. 1 & 2 ; Schrank, Verzeich. 49, n. 148 ; Bosc, Hist. Nat. 

 Vers, i. 308. 



Rhytis solida, Zeder, Naturg. 297, n. 10. 



Bothriocephalus solidus, Rudolphi, Hist. Nat. Entoz. ii. 2, 57 ; Syn- 

 opsis, 139-477, n. 14; Mehlis, Isis, 1831, 192; Bremser, Icon. 

 Helm. t. 13, f. 9-11 ; leuckart, Zool. Bruchs. t. 2, f. 27; Blain- 

 ville, Diet. Sc. Nat. lvii. 610 ; Zeder, Nachtrag, 257. 



2. Second degree of development; in the intestines of Bints. 



Taenia lanceolato-nodosa, Bloch, Abhandl. 10, n. 2, t. 1, f. 9. 



Taenia lanceola /3, Batsch, Bandw. 167. 



Taenia lanceolata /3 nodosa, Gmelin, Syst. Nat. 3075, n. 63 ; Rudol- 

 phi, Obs. i. 41. 



Taenia nodularis, Schrank, Verzeich. 39, n. 118. 



Halysis lanceolato-nodosa, Zeder, Naturg. 340, n. 18. 



Bothriocephalus nodosus, Rudolphi, Hist. Nat. Entoz. ii. 2, 54; Syn- 

 opsis, 140, n. 15. 



Hub. Intestines of the Black-headed Gull, Larus ridibundus. 



From the collection of M. Siebold. 



