NATURAL CLASSIFICATION OF THE TRILOBITES 159 



25. McCoy, F., 1849. On the classification of some British fossil 



Crustacea, with notices of new forms in the university collec- 

 tion at Cambridge. Ann. Mag. Nat. Hist. (2), vol. iv. 



26. Matthew, G. F., 1896. Faunas of the Paradoxides Beds in 



Eastern North America. No. I. Trans. N. Y. Acad. Sci., 

 vol. xv. 



27. Milne-Edwards, A., 1873. Recherches anatomiques sur les 



Limules. Ann. Sci. Nat., t. xvii. 



28. H., 1834-40. Histoire naturelle des Crustaces. 



29. GEhlert, D.-P., 1895. Sur les Trinucleus de 1'ouest de la France. 



Bull. Soc. Geol. France (3), t. xxiii. 



30. Quenstedt, F. A., 1837. Beitrage zur Kenntniss der Trilobiten. 



Archivfur Naturgesch., Bd. I. 



31. Reed, F. R. Cowper, 1896. Notes on the Evolution of the 



Genus Cheirurus. Geological Magazine, vol. iii. 



32. Salter, J. W., 1864. A Monograph of British Trilobites. Pt. I. 



Pal. Soc., London, vol. xvi. 



33. Walcott, C. D., 1881. The Trilobite ; New and Old Evidence 



relating to its Organization. Bull. Mus. Comp. Zool , vol. viii. 



34. Woodward, Henry, 1895. Some Points in the Life-history of 



the Crustacea in Early Palaeozoic Times. Anniversary Address 

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36. 1895. Grundziige der Palseontologie. 



List of Genera. 



Page 



Acaste Goldfuss. 156 



Acerocare Angelin. 142 



Acidaspis Murchison. 151 



Acrocephalites Wallerius. 142 



Actinopeltis Cord a. 155 



^Eglina Barrande. 146 



Aglaspis Hall. 132 



Agnoslus Brongniart. 136 



Agraulus Corda. 142 



Amphion Pander. 155 



Ampyx Dalman. 138 



Anacheirurus Reed. 155 



Ancyropyge Clarke. 151 



Aneucanthus Angelin. 140 



Angelina Salter. 142 



Page 



Anomocare Angelin. 142 



Anopolenus Salter. 142 



Arctinurus Castelnau. 150 



Areia Barrande. 153 



Arethusina Barrande. 148 



Arges Goldfuss. 150 



Arraphus Angeliu. 137 



Asaphelina Bergeron. 142 



Asapliellus Callaway. 146 



Asapliiscus Meek. 146 



Asaphus Brongniart. 146 



Atops Enimons. 140 



Avalonia Walcott. 140 



Bailiella Matthew. 140 



Barrandia McCoy. 146 



