INDEX* 



FAMILIES, GENERA, AND SPECIES DESCRIBED IN THE MONOGRAPH 

 OP THE BRITISH TRILOBITES OF THE CAMBRIAN, SILURIAN, AND 

 DEVONIAN FORMATIONS, by the late J. W. SALTER, A.L.S., F.G.S. 



The synonyms are printed in Italics. 



AcASTE, Goldfuss 



„ Downingice, Goldfuss ; see Phacops Downingise. 

 ACIBASPIS unica, Thomson ; see Straurocephalus unicus. 

 AcTiNOPELTis, Corda 

 Amphion . . . " . 



„ benevolens, Salter 



„ gelasinosus, Portlock ; see Cheirurus gelasinosus. 



„ pauper, Salter 



„ pseudo-articulatus, Portlock 

 AROES bimucromatus, Goldfuss ; see Cheirurus bimucronatus. 



„ planospinosus, Portlock ; see Cheirurus gelasinosus. 

 AsAPHiD^, Emmrich 

 AsAPHUS, Brongniart 



„ arachnoides, Goldfuss ; see Phacops punctatus. 



„ (Basilicus) hybridus, Salter 



„ ,, laticostatus, M'Coy 



„ „ Marstoni, Salter 



„ „ peltastes, Salter 



„ ,, Powisii, Murchison 



„ „ ? radiatus, Salter 



„ ,, tyrannus, Murchison 



„ Brongniarti, Deslongsch. ; see Homalonotus Brongniarti. 



„ Buchii, Dalman ; see Ogygia Buchii. 



,, caudatus, Brongniart ; see Phacops caudatus. 



„ Cawdori, Murchison ; see Phacops Downingise. 



PAGE 

 14,24 



123 

 145 



153 

 158 

 156 

 152 

 154 

 157 

 149 



* Prepared by the Rev. Prof. T. Wiltshire, M.A., F.G.S., &c., Hon, Sec. Pal. Soc. 



