382 Annals of the Carnegie Museum. 



lllii uiis cld'jifrons Billings. 



1859. Canadian Naturalist and Geologist, volume 4, page 379. 

 Synonym for Thaleops ovattts Conrad. 

 Ilhoms crassicai(da ? Hall. 



1847. Paleontology of New York, volume I, page 24, plate 4 bis, figure 13. 

 Name preoccupied. Probably same as Ilhcnus erastusi, which see. 

 Jllienus globosHS Billings. 



1859. Canadian Naturalist and Geologist, volume 4, page 467, figures i, 2, 3. 

 Ilhcnus ova/us Conrad. 



See Thaleops ovatus. 

 Ilhcnus vindex Billings. 



1865. Paleozoic Fossils Canada, volume i, page 179, figure 160. 

 .Synonym for Thaleops ovatus. 

 hot el us obtusus Hall. 



1847. Paleontology of New York, volume i, page 24, plate 4 bis, figure 14. 

 Lichas chaviplainensis Whitfield. 



1881. Bulletin of the American Museum Natural History, volume i, page 342, 

 plate 2)l)y figures 6-8. 



Synonym for Platymetopus Diinganensis Billings. 

 Lichas rninganensis Billings. 



See Platymetopus miugane)isis. 

 Lonchodomas halli Billings. 



1862. Geological Survey of Vermont, volume 2, page 929, figure 365. 



1865. Paleozoic Fossils of Canada, volume I, page 24, figures 2^a-c. 



1893. American Geologist, volume 11, page 106, figure 5. 

 Platymetopus tninganensis Billings. 



1865. Paleozoic Fossils of Canada, volume l, page iSi, figure 163 a, b. 

 Pseudosphicrexochus satyriis Billings. 



1865. Paleozoic Fossils of Canada, volume i, page 324, figure 309. 

 Pseudosphicrexochus vulcanus Billings. 



1865. Paleozoic Fossils of Canada, volume i, page 284, figure 271 ; page 324, 

 figure 310. 



Remipleurides canadensis Billings. 



1865. Paleozoic Fossils of Canada, volume i, page 182, figure 167. 

 Sao ? Lamottensis Whitfield. 



1881. Bulletin American Museum Natural History, volume i, page 334, plate 

 T,:^, figures 9-1 1. 



Synonym for Glaphurus pttstulotus Walcott. 

 Sphccrexochus parvus Billings. 



1859. Canadian Naturalist and Geologist, volume 4, page 468, figure 36. 

 1865. Paleozoic Fossils of Canada, volume I, page 180, figure 160. 

 Thaleops ovatus Conrad. 



1843. Proceedings of the Academy of Natural Science of Philadelphia, volume 

 I. page 23^. 



