Genus and species. | Author. |Horizon.| Locality. --------------------------------+----------+--------+------------------ _Allopus littoralis_ | Marsh | CM | Osage County, KS. _Anomæpus ? culbertsonii_ | King | " | Pennsylvania. ---- _gallinuloides_ | King | " | " _Anthracopus ellangowensis_ | Leidy | " | " _Baropus lentus_ | Marsh | " | Osage County, KS. _Batrachichnus plainvillensis_ | Woodworth| " | Massachusetts. _Cheirotherium ? heterodactylum_| ..... | " | Pennsylvania. ---- _reiteri_ | Moore | " | " _Collettosaurus indianænsis_ | Cox | " | Indiana. _Crucipes parvus_ | Butts | " | Missouri. _Dromopus agilis_ | Marsh | " | Osage County, KS. _Hylopus caudifer_ | Dawson | " | Nova Scotia. ---- _hardingi_ | Dawson | " | " ---- _logani_ | Dawson | " | " ---- _minor_ | Dawson | " | " ---- _trifidus_ | Dawson | " | " ---- sp. indet | ..... | " | " _Limnopus vagus_ | Marsh | " | Osage County, KS. _Nanopus candatus_ | Marsh | " | " _Notalacerta missouriensis_ | Butts | " | Missouri. _Notamphibia magna_ | Butts | " | " _Palæosauropus antiquior_ | Dawson | SC | Nova Scotia. ---- _primævus_ | Lea | CM | Pennsylvania. ---- _sydenensis_ | Dawson | " | Cape Breton Isl. ---- _unguifer_ | Dawson | Cmg | Nova Scotia. _Thenaropus leplodactylus_ | King | CM | Pennsylvania. ---- _ovoidactylus_ | King | " | " ---- _pachydactylus_ | King | " | " ---- _sphærodactylus_ | King | " | " --------------------------------+----------+--------+------------------ Horizon abbreviations --------------------- CM = Coal Measures. SC = Subcarboniferous. Cmg = Carboniferous (millstone grit). BIBLIOGRAPHY OF THE FOSSIL AMPHIBIA, WITH ESPECIAL REFERENCE TO THE AMPHIBIA FROM THE COAL MEASURES OF NORTH AMERICA.