8 U. S. BUREAU OF FISHERIES 



Class II. CYCLOSTOMI. Lampreys 



Order B. HYPEROTRETA. Hagfishes 



Family 3. MYXINID-Sl. Hagfishes 



Genus 3. MYXINE Linnseus. 



Myxine Linnteus, 8vst. Nat., ed. X, 1758, 650 (M. glutinosa L.). 

 Gastrobranclms Bloch, Ichth., XII, 1797, 51, tab. 413 {G. coccus Bloch). 

 Mvramoblenna Laccpede, Hist. Nat. Poiss., V, 1803, 647 {M. olivacea 



Lacopede) . 

 Aiiopsiis Rafinesque, Anal. Nat., 1815, 93 (M. olivacea Laccpede). 



7. Myxine limosa Girard. Hag fish; Borer; Sucker; Slime fish. 



Newfoundland, south to Cape Cod; Grand Manan Island, New Bruns- 

 wick; replacing in the western Atlantic the European M. glutinosa 

 L.; not abundant. 



Myxine limosa Girard, Proc. Acad. Nat. Sci. Phila., X, 1858, 224, Grand 

 Manan. 



Family 4. EPTATRETID.ffi. Borers 



Genus 4. POLISTOTREMA Gill. 



Polistotrema Gill, Proc. U. S. Nat. Mus., IV, 1881, 30 (Gastrobranchus 

 dombey Cuvier). 



8. Polistotrema stoutii (Lockington). California hagfish; Lamperina. 



Coast of California; common in Monterey Bay; Eel River, Humboldt 

 Co., Calif., and other streams of northern California; San Francisco 

 Bay. 



Bdellostoma stoutii Lockington, Amer. Nat., XII, December, 1878, 793, 

 Eel River, Calif. 



9. Polistotrema deani Evermann and Goldsborough. 



Alaska to Santa Barbara, Calif., in deep water. 



Polistotrema deani Evermann and Goldsborough, Bull. U. S. Bur. Fish., 



XXVI, 1906, 225, fig. 1, Albatross station 4238 in Behm Canal off Nose 



Point in 229 to 231 fathoms. 

 Polistotrema ciirtiss-iamesii Townsend and Nichols, Bull. Amer. Mus. 



Nat. Hist., LII, 1925, 4, off California, lat. 34° to 36° in 440 to 585 



fathoms. 



Order C. HYPEROARTIA. Lampreys 



Family 5. PETROMYZONIDiE. Lampreys 



Genus 5. PETROMYZON Linnaeus. 



Peiromyzon (Artedi) Linnaeus, Syst. Nat., ed. X, 1758, 230 (P. marinus L.). 

 AmmocoEles Dum^ril in Cuvier, Regne Anim., ed. I, 1817, 119, variant 



spelling of Ammocoelus, a name given to a larval form ibranchialis) . 

 Bathymyzon Gill, Proc. U. S. Nat. Mus., VI, 1883, 25 {Bathymyzon bairdii 



Gill) ; probably an old example that has lost teeth. 

 Oceanomyzon Fowler, Proc. Acad. Nat. Sci. Phila., LIX, 1907, 461 (0. 



wilsoni Fowler); hke the preceding, supposed by Creaser and Hubbs to 



be an old individual from the Gulf Stream. 



10. Petromyzon marinus Linnscus. Great sea lamprey; Lamprey eel; Sucker; 



Lamprey; River lamprey; Green lamprey; Shad lamprey; Nine-eyes. 



Atlantic coasts of Europe and America, southward in America to Chesa- 

 peake Bay; abundant northward; ascending streams to spawn. 



Petromyzon marinus Linnaeus, Syst. Nat., ed. X, 1758, 230, European seas. 



Petromyzon americanus LeSueur, Trans. Amer. Phil. Soc. Phila., I, 1818, 

 383, coast of Massachusetts. 



Petromyzon nigricans LeSueur, loc. cit., 385, Massachusetts; small exam- 

 ple from fresh water. 



Ammoccetes bicolor LeSueur, loc. cit., 386, Northampton, Mass. (larva). 



? Petromyzon (Bathymyzon) bairdii Gill, Proc. U. S. Nat. Mus., VI, 18S3, 

 254, Gulf Stream, north lat. 40° 02', west long. 68° 50' 30", in 547 

 fathoms. 



? Oceanomyzon wilsoni Fowler, Proc. Acad. Nat. Sci. Phila., LIX, 1907, 

 461; open sea. 



