SCLEROSTOMID &. 29 
2. CUCULLANUS ELEGANS. 
Kchinorhynchus lacustris, Muller, Prod. Zool. Dan. n. 2598. 
Cucullanus perce fluviatilis et cernue, Muller, Schrift. Bert. 
Naturf. Fr. i. 214, ii. 133. 
Cuculanus viviparus (synon. exclus.), Bloch, Abhand. 34, t. 10, 
f. 1-4. 
Cucullanus lucioperce, Goeze, Naturg. 131-2, t.9, A. f. 3; Schrank, 
Verzeichn. 14, n. 49; Rudolphi, Obs. 1. 22.. 
-Cucullanus perce, Goeze, lc. t. 9, B, f. A.B. f.4-9; Schrank, 
Verzeichn. 15, 0.50; Hermann, Naturf. xix. 36, t. 2, f. 2, a—c.; 
Tab. Encyc. t. 36, f. 6. 
Cucullanus lacustris, 5. perce; y. luciopercee; 6. cernue; Gmelin, 
Syst. Nat. 3051, n. 6; Bose, Hist. Nat. Vers, ii. 28, t. 11, f. 10. 
Cucullanus elegans, Zeder, Nachtrag, 91, nu. 2; Naturg. 79; Ru- 
dolphi, Wiedm. Archiv. ii. pt. 2, 32-35; Hist. Nat. Entoz. i. 
pt. 1, 102, t. 3, f. 1-3, 5-7; Synopsis, 19 & 230, n. 1; Bremser, 
Vers Intest. de ? Homme, 125; Lamarck, Hist. An. S. Vert.aii. 
205, 2nd ed. iii. 652; Blainville, Dict. Sc. Nat. lvii. 542, 30, 
f.13; Bremser, Icon. Helminth. t. 2, f. 10-14; Creplin, Allg. 
Encyk. xxxii. 279; Guerin, Icon. Regn. An. Zooph. t. 7, f. 4, 
4,a.b.; Bellingham, Ann. & Mag. Nat. Hist. 1844, xiii. 478, 
n.1; Dujardin, Hist.. Nat. Helminth. 247; Cuvier, Regn. An. 
Ed. i Zooph. t. 25, f. 4. 
Cucullanus armatus (synon. exclus.), Zeder, Nachtrag, 92-94; 
Naturg. 79, t. 2, f. 6,7; Rudolphi, Hist. Nat. Hntoz. ui. pt. 1, 107, 
n. 3. 
Cucullanus papillosus, Zeder, Nachtrag, 92; Naturg. 79; Ru- 
dolphi, 1. ¢. 108, n. 4. 
Cucullanus coronatus, Zeder, Nachtrag, 91; Naturg. 78, n. 1; 
Leeuwenhoek, Arcan. Nat. 341; Goeze, Naturg. 130, t. 9, A. f. 1-2; 
Muller, Schrift. Berlin Natur. Fr. ii, 183, t. 1, f. 8-15. 
Cucullanus Anguille, Schrank, Verzeichn. 14, n. 49; Tab. Encye. 
t. 36, £. 3, 4. 
Cucullanus lacustris a. anguille, Gmelin, Syst. Nat. 3051, n. 6. 
Cucullanus coronatus, Rudolphi, Hist. Nat. Hntoz. ii. pt. 1, 113, 
n.7; Lamarck, An. S. Vert. 2nd ed. iil. 653. 
Cucullanus alatus? Rudolphi, Synopsis, 20, n. 3; Hist. Entoz. ii. 
pt. 1, 106, n. 2. 
Cucullanus Tince ? Rudolphi, Synops. 22, n. 17. 
Hab. Intestines of the common Eel, Anguilla acutirostris. 
From the collection of M. Siebold. 
3. CUCULLANUS MINUTUS. 
-Cucullanus minutus, Rudolphi, Synopsis Entoz. 21 & 235, n. CE 
Dujardin, Hist. Nat. Helminth. 252. 
Hab. Intestines of the Flounder, Platessa flesus. 
From the collection of M. Siebold. 
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