62. CATALOGUE OF ENTOZOA. 
5. EcHINORHYNCHUS POLYMORPHUS. 
Var. a. 
Bie lendix, Phipps, Voyage to the North Pole, 194, t. 13, 
gs 
Kehinorhynchus Anatis Mollissima, Muller, Naturf. xxii. 57; Ru- 
dolphi, Hist. Nat. Entoz. ii. pt. 1, 304. 
Kehinorhynchus borealis, Gmelin, Syst. Nat. 3045, n.10; Rathke,. 
Dansk. Selsk. Skrivt.i.71; Zeder, Naturg. 161, n. 38; Bosc, Hist. 
Nat. Vers, 11. 6. 
Kchinorhynchus filicollis, Rudolphi, Hist. Nat. Entoz. ii. pt. 1, 
283 ; Synopsis, 71 & 327, n. 835; Drummond, Mag. Nat. Hist. 
1839; Bellingham, Ann. & Mag. Nat. Hist. 1844, xiii, 257. 
iar. ip. 
Kchinorhynchus minutus coccineus, G'oeze, Naturg. 165, t. 13, f. 1, 2. 
Kchinorhynchus anatis boschadis, G'oeze, 1. c. 163, t. 13, f. 6, 7. 
Echinorhynchus boschadis, Schrank, Verzeichn. 27, nu. 88; Frélich, 
Naturf. xxix. 66; Bosc, Hist. Nat. Vers, ii. 6. 
Kchinorhynchus anatis, Gmelin, Syst. Nat. 3045, n. 12; Tab. 
Encye. t. 38, f.1, A. B.; Schrank, Verzeichn. 26, u. 87; Frélich, 
Naturf. xxix. 68; Bosc, Hist. Nat. Vers, ii. 6. 
Echinorhynchus merule, Gmelin, S. V. 3046, n. 18, 1. 
Kchinorhynchus minutus, Zeder, Nachtrag, 142; Naturg. 158, 
n. 27; Rudolphi, Hist. Nat. EHntoz. ii. pt. 1, 295; Lamarck, An. 
S. Vert. iti. 199, 2nd ed. iii. 643. —. 
Kchinorhynchus vesiculosus, Schrank, Vetensk. Acad. N. Hand. 
1790, 124, n. 26. 
Kchinorhynchus constrictus, Zeder, Nachtrag, 139; Natwrg. 158, . 
n. 26; Rudolphi, Hist. Nat. Entoz. ii. pt. 1, 296; Lamarck, An. 
S. Vert. iii. 200, 2nd ed. iii. 644. 
Echinorhynchus tenuicollis, /rélich, Naturf. xxix. 69, t. 2, 
f, 15, 16. ; 
Echinorhynchus collaris, Schrank, Vet. Acad. NV. Handl. 1790, 124, 
n.27; Zeder, Naturg. 159, n. 32; Rudolphi, Hist. Nat. Entoz. 
ii. pt. 1, 298. 
Kichinorhynchus versicolor, Audolphi, Synopsis, 74 & 330, n. 44; 
Bellingham, Ann. & Mag. Nat. Hist. 1844, xiii. 258. 
Kchinorhynchus anatum, fudolphi, Synopsis, 78, n. 78. 
Kchinorhyncltus polymorphus, Jassoy, Diss. inaug.de Echin. Poly- 
morph. 1820; Westrumb, Helminth. Acanth. 33, n. 64, t. 3, 
f. 8-15; Dujardin, Hist. Nat. Helminth. 523; Diesing, Syst. Hel- 
minth, ii. 49. 
Hab. a. Intestines of the Wild Duck, Anas Boschas (chin. fili- 
collis, Rud.). ; 
6. Intestines of the Scaup Duck, Fuligula marila (Kchin. versi- 
color, Rud.). 
From the collection of M. Siebold. 
