40 CATALOGUE OF ENTOZOA. 
I. OCTOBOTHRIUM. 
Mazocraes, Hermann, Naturforsch. xvii. 
Octobothrium, Leuckart, Brev. Descrip. An. 1828; Zool. Bruchst. — 
1842; Dujardin, Mayer, Nordmann, Mikr. Beit. and in Lamarck. 
Octostoma, Kuhn, Mem. Hist. Nat. 1830. 
Cyclocotyle, Zahringer, Diss. Hist. Nat.dela Truite; Otto? Blain- 
ville ? 
1. OcTOBOTHRIUM LANCEOLATUM. 
Mazocraes alosee, Hermann, Naturf. xvii. 182, t. 4, f. 13-15. 
Octobothrium lanceolatum, Leuckart, Brev. Descr. An.; Nordmann, 
Mikr. Beitr. i. 77, and in Lamarck, An. S. Vert. 2nd ed. iii. 599; ° 
Dujardin, Hist. Nat. Helminth. 313, t. 8, f. F. 
Octostoma alose, Kuhn, Mem. Mus. Hist. Nat. xviii. 
Octobothrium alose, Mayer, Beitr. An. d. Ent. Bonn. 1841, 19, t. 3, 
f, 1-8, 
Hab. Gills of the Shad, Alosa finta. 
From the collection of M. Siebold. 
II. DIPLOZOON. 
Diplozoon, Nordmann, Mikr. Beitr. i. 56, and in Lamarck, An. 8. 
Vert. 2nd ed. ili. 599; Ann. Sc. Nat. 1833, xxx.; Creplin, 
Dujardin, de. . 
1. DrpLozoon PARADOXUM. 
Diplozoon paradoxum, Nordmann, Mikrog. Beitr. 1. 56, t. 5, f. 1-5, — 
6 t.6; Ann. Se. Nat. 1833, xxx., and in Lamk. 1. ¢. 599 ; Creplin, 
Allg. Encyk. xxxii. 292; Dujardin, Hist. Nat. Helminth. 316. 
Hab. Gills of the common Bream, Cyprinus brama, and the Min- 
now, Leuciscus phoxinus. 
From the collection of M. Siebold. 
III. POLYSTOMA. 
Planaria (sp.), Braun. 
Linguatula (sp.), Hrélich, Rudolphi, Lamarck. | 5 
Fasciola (sp.), Gmelin. 
Hexathyridium, Zreutler, Jérdens, Blainville. 
Polystoma, Zeder, Rudolphi, Bremser, Baer, Nordmann. 
Polystoma, ou plutdt Hexastoma, Cuvier, Regn. An. iii. 
Diclibothrium, Leuchkart, Brev. Descr. An. 
Diplobothrium, Leuckart, Zool. Bruchst. 
Hexacotyle, Delaroche, Bull. Soc. Phil. ; Nordmann, in Lamk. An. 
S. Vert. 2nd. ed. iii. 600. 
Hexacotyla, Blainville, Dict. Sc. Nat. lvii. 
