241 



600, 1841. — Petromyzon branchialis, Linn. (edit, de Gmelin) 1815; 

 Bloch, pt. 3. pi. 78? f. 2 ; Linn. Faun. Suec. 292 ; Wulff. Ichth. 

 Boms. 15. n. 20; Mull. Prod. Zool. Dan. 37. n. 307 6; Kramer, 

 Elench. 483; Penn. Brit. Zool. iii. 107. pi. 10, 1776-78; Shaw, 

 Gen. Zool. 260, 1804. — Petromyzon corpore annidoso, i^-c, Artedi, 

 gen. 42. syn. 90. — Lamproie branchiale, Bonn. Planches de I'Encycl. ; 

 Daub. Encycl. Metli. — Petromyzon, Gronov. Zooph. 38. n. 160; 

 Klein, Misc. Pise. iii. 30. n. 4. — Petromyzon aecus. Couch, Mag. 

 Nat. Hist. V. 23. f. 60. — Mustela fluviatilis, Gesner, Aquat. 589 ; 

 Icon. Anim. 286; Thierb. 159 6. — Lampetra minima, Aldrov. 539. 

 — Lampern, or Pride of the Isis, Will. Ichth. 104. — Pride, Plot, 

 Hist, of Oxford, 182. t. \0.— Lampetra cceca, Will. Ichth. tab. g. 3. 

 f. 1 ; Ray, Syn. Pise. 35. n. 2, 4 ; Couch, Loudon's Mag. Nat. Hist. 

 V. 23. f. 9, 10. — Lampreta neiinange, Jonston, t. 28. f. 10. — Lam- 

 proyon et Lamprillon, Bond. Hist. Poiss. ii. 202. — Querder, Schlam- 

 querder, Schwenckf. Theriotr. Siles. 423. — Ber Kieferwurn, Miill. 

 1. c. iii. 234. — Lampreyon, Valmont de Bomare, Diet. Hist. Nat. — ■ 

 Le Petromyzon lampreyon, Lacepede, Hist. Nat. des Poiss. i. 26. 

 pi. 2. f. 1, 1798. 



Hab. Europe, rivers. 



2. Ammoc(etes ruber. Red Lamprey. 



Ammocoetes ruber, Cuv. Reg. An. 406, 1829 ; Miill. Mem. de 

 I'Acad. Berl. 78, 1834. — Petromyzon ruber, Lacepede, Hist. Nat. 

 des Poiss. ii. 99. pi. 1 ; Supp. to Petromyzon; Shaw, Gen. Zool. v. 

 pt. 2. p. 261, 1804. — Ammocoetes branchialis, var., Cuv. Reg. An. 

 ii. 118, 1817. 



Hab. Europe, Seine. 



3. Ammoccetes concolor. Mud Eel or Blind Eel. 



Ammocoetes concolor, Kirtland, Boston Journ. iii. 473. pi. 27. 

 f. 1 a, b, 1841. 



Hab. N. America, Mahoning and Scioto rivers. 



4. Ammoccetes bicolor. Coloured Mud Lamprey. 



Ammocoetes bicolor, Lesueur, Amer. Phil. Soc. (N. S.) i. 386. — 

 Ammocoetes 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. Ammocoetes unicolor. Plain Mud Lamprey. 



Ammoccetes unicolor, DeKay, Nat. Hist, of New York, 383. pi. 79. 

 f. 250. pt. 1 ; Zool. 1842. 



Hah. N. America, Lake Champlain. 



No. CCXXXIV. — Proceedings of the Zoological Society. 



