North American Species of Petroynyzontidcb 



295 



List of Nominal Species of Petromy/.ontid.k mentioned in the 

 present paper. 



(Tenable specific names are in ilalics.) 



Nominal Species. 

 Petromyzon marinus L. - 



branchialis L. - - - 



planeri Block, - - 

 (ruber) Lacepede, - 

 (sanguisuga) Lacepede, 

 septoeuil Lacepede, 

 niger Lacepede, - 

 " bicolor Shaw, 



" plumbeus Shaw, 



" lumbricalis Pallas, - 



" (marinus) camtschaticus Pallas, 



" coecus Couch, 



" americanus Le Sueur, 



'• nigricans Le Sueur, 



Ammoccetes bicolor Le Sueur, 

 Petromyzon nigrum Rafinesque, 



tridentatus Gairdner, - 

 " argenteus Kirtland, 



Ammoccetes concolor Kirtland, 

 Petromyzon appendix DeKay, - 

 Ammoccetes unicolor DeKay, 

 Petromyzon lamotteni Le Sueur, 

 Ammoccetes borealis Agassiz. 

 Petromyzon maculosus Gronow, 

 " ciliatus Ayres, 



plumbeus Ayres, 

 " lividus Girard, - 



•' astori Girard, 



" borealis Girard, - 



Ammoccetes cibarius Girard, 

 Ichthyomyzon castaneus Girard, 

 " hirudo Girard, - 



Ammoccetes rrpyptera Abbott, 

 Entosphenus epihexodon Gill, - 

 Petromyzon ayresi Giinther, - 

 Ammoccetes aureus: Bean, - 

 Petromyzon marinus dorsatus Wilder, - 

 ■' bairdi Gill, 



" bdellium Jordan, 



Date. 



Identification. 



1758 



P. marinus. 



.1-758 



A. branchialis. 



1785? 



A. branchialis. 



1798 



A, branchialis. 



1798 



A. branchialis. 



1803 



A. branchialis. 



1803 



A. branchialis. 



1805 



A. branchialis. 



1805 



A. branchialis. 



1811 



A. branchialis. 



1811 



A. tridentatus ? 



1813 



A. branchialis. 



1818 



P. marinus. 



1818 



P. marinus. 



1818 



P. marinus (larva). 



1820 



A. branchialis. 



1836 



A. tridentatus. 



1840 



P. concolor. 



1840 



P. concolor tlarya). 



1842 



P. marinus 



1842 



P. marinus (larva). 



1842 



? P. marinus. 



1850 



? P. concolor (larva). 



1854 



P. marinus. 



1855 



A. tridentatus. 



1855 



A. cibarius. 



1858 



A. tridentatus. 



1858 



A. tridentatus. 



1858 



A. ? 



1858 



A. cibarius. 



1858 



P. castaneus. 



1858 



P. castaneus (?hirudo). 



1860 



? P. concolor (larva). 



1862 



A. tridentatus. 



1870 



A. cibarius. 



1881 



A. aureus. 



1883 



P. marinus. 



1883 



Bathyuryzon bairdi. 



1885 



P. concolor. 



