— 
241 
609, 1841.—Petromyzon branchialis, Linn. (édit. de Gmelin) 1815; 
Bloch, pt. 3. pl. 78? f.2; Linn. Faun. Suec. 292; Wulff. Ichth. 
Borus. 15. n. 20; Miill. Prod. Zool. Dan. 37. n. 3076; Kramer, 
Elench. 483; Penn. Brit. Zool. iti. 107. pl. 10, 1776-78 ; Shaw, 
Gen. Zool. 260, 1804.—Petromyzon corpore annuloso, §c., Artedi, 
gen. 42. syn. 90.—Lamproie branchiale, Bonn. Planches de YEncycl.; 
Daub. Encycl. Méth.— Petromyzon, Gronov. Zooph. 38. n. 160; 
Klein, Mise. Pisce. iii. 30. n. 4.—Petromyzon cecus, Couch, Mag. 
Nat. Hist. v. 23. f. 60.—Mustela fluviatilis, Gesner, Aquat. 589 ; 
Icon. Anim. 286; Thierb. 159 b.—Lampetra minima, Aldrov. 539. 
—Lampern, or Pride of the Isis, Will. Ichth. 104.—Pride, Plot, 
Hist. of Oxford, 182. t. 10.—Lampetra ceca, Will. Ichth. tab. Z,3. 
f.l; Ray, Syn. Pisce. 35. n. 2, 4 ; Couch, Loudon’s Mag. Nat. Hist. 
v. 23. f. 9, 10.—Lampreta neunange, Jouston, t. 28. f. 10.—Lam- 
proyon et Lamprillon, Rond. Hist. Poiss. ii. 202.—Querder, Schlam- 
querder, Schwenckf. Theriotr. Siles. 423.—Der Kieferwurn, Miill. 
l. ec. ii. 234.—Lampreyon, Valmont de Bomare, Dict. Hist. Nat.— 
Le Petromyzon lampreyon, Lacépéde, Hist. Nat. des Poiss. i. 26. 
pl. 2. f. 1, 1798. 
Hab. Europe, rivers. 
2. AMMoca@Tes RUBER. Rep Lamprey. 
Ammocetes ruber, Cuv. Reg. An. 406, 1829; Mill. Mém. de 
P Acad. Berl. 78, 1834.—Petromyzon ruber, Lacépéde, Hist. Nat. 
des Poiss. ii. 99. pl. 1; Supp. to Petromyzon; Shaw, Gen. Zool. v. 
pt. 2. p. 261, 1804.— Ammoceetes branchialis, var., Cuv. Rég. An. 
i. 118, 1817. 
Hab. Europe, Seine. 
3. AMMOC@TES CONCOLOR. Mvp Ee or Burnp Er. 
Ammoceetes concolor, Kirtland, Boston Journ. iii. 473. ps 27. 
f. la, b, 1841. 
Hab. N. America, Mahoning and Scioto rivers. 
4. AMMOC@TES BICOLOR. CoLovurEep Mup Lamprey. 
Ammocetes bicolor, Lesueur, Amer. Phil. Soc. (N. S.) i. 386.— 
Ammocetes bicolor, Storer, Fishes of Massachusetts, 198; De Kay, 
Nat. Hist. of New York, 383, 679. f. 248. pt. 1; Zool. 1842. 
Hab. N. America, Connecticut river. 
5. AMMOC@TES UNICOLOR. PLAIN Mup Lamprrey. 
Ammoceetes unicolor, De Kay, Nat. Hist. of New York, 383. pl. 79. 
f. 250. pt. 1; Zool. 1842. 
Hab. N. America, Lake Champlain. 
No. CCXXXIV.—Procrepincs OF THE ZooLoGIcAL Society. 
