1886.] 



NATURAL SCIENCES OF PHILADELPHIA, 



251 



Nominal Species. Date. 



Gasterosteus quadracus Mitchill, 1814, 



Gasterosteus niger Cuvier, 1829, 



Gasterosteus trachurus Cuvier, 1829, 



Gasterosteus obolarius Guv. & Val., 1829, 

 Gasterosteus noveboracensisCuv. & Val., 1829, 



Gasterosteus biaculeatus Cuv. & Val. 1829, 



Gasterosteus apeltes Cuv. & Val. 1829, 



Gasterosteus occidentalis Cuv. & Val. 1829, 



Gasterosteus coucinnus Richardson, 1836, 



Gasterosteus mainensis Storer, 1837, 



Gasterosteus loricatus Reinhardt, 1837, 



Gasterosteus dimitiatus Reinhardt, 1837, 



Gasterosteus biaculeatus Shaw, 1839, 



Gasterosteus t/ico/istens Kirtland, 1841, 



Gasterosteus millepunctatus Ay res, 1842, 



Gasterosteus cuvieri Girard, 1849, 



Gasterosteus nebulosus Agassiz, 1850, 



Gasterosteus de kayi Agassiz, 1850, 



Gasterosteus ^j^grmcEWs Agassiz, 1850, 



Gasterosteus insculptus Richardson, 1854, 



Gasterosteus mierocephalus Girard, 1 854, 



Gasterosteus williamsoni Girard, 1854, 



Gasterosteus plebeius Girard, 1854, 



Gasterosteus inopinatus Girard, 1854, 



Gasterosteus serratus Ayres, 1855, 



Gasterosteus intermedins Girard, 1856, 



Gasterosteus pugetti Girard, 1856, 



Gasterosteus atkinsii Bean, 1859, 



Gasterosteus micropus Cope, 1865, 



Gasterosteus wheatlandi Putnam, 1867, 



Gasterosteus suppositus Sauvage, 1874, 



Gasterostea blanchardi Sauvage, 1874, 



Gasterosteus globiceps Sauvage, 1874, 



Eucalia cayuga Jordan, 1876, 



Gasterosteus trachurus Goode & Bean, 1879, 



Gasterosteus hrachypoda Bean, 1879, 



Identification. 

 Apeltes quadracus. 

 Gasterosteus aculeatus. 

 Gasterosteus aculeatus. 

 Gasterosteus cataphractus. 

 Gasterosteus aculeatus. 

 Gasterosteus dimidiatus. 

 Apeltes quadracus. 

 Pygosteus pungitius. 

 Pygosteus pungitius. 

 Pygosteus pungitius. 

 Gasterosteus aculeatus. 

 Gasterosteus dimidiatus. 

 Gasterosteus aculeatus, 

 Eucalia inconstans. 

 Apeltes quadracus. 

 Gasterosteus dimidiatus. 

 Pygosteus ijungitius. 

 Pygosteus pungitius. 

 Eucalia inconstans. 

 Gasterosteus cataphractus. 

 Gasterosteus mierocephalus. 

 Gasterosteus vs^illiamsoni. 

 Gasterosteus mierocephalus. 

 Gasterosteus mierocephalus. 

 Gasterosteus cataphractus. 

 Gasterosteus cataphractus. 

 Gasterosteus microcei)halus. 

 Gasterosteus atkinsii. 

 Eucalia inconstans. 

 Gasterosteus wheatlandi. 

 Gasterosteus aculeatus. 

 Pygosteus pungitius. 

 Eucalia inconstans. 

 Eucalia cayuga. 

 Gasterosteus wheatlandi, 

 Pygosteus brachypoda. 



Recapitulation. 



In this review I have admitted 10 species and 5 genera of Gas- 

 terosteidae as valid. Below I give a list of the species. The gen- 

 eral distribution of the species is indicated by the letters A. 

 (America); E, (Europe); W. (West Coast of North America); P. 

 (East Coast North America and Greenland); G. (Great Lake Re- 

 gion and Northward); U. (Western Slope of Rocky Mountains;, 



