I 



ACTUBi,L£. 



( 435 ) 



-!Tf1 



(3-./1 















NOMS, 



Cryptonymus Eicnw. . 



Phacops Emmr 



Chasmops M'Coy 



Portiockia M'Coy.. 

 Cryphseus GnEiiN. .., 



Phillipsia Poktl 



GiinîLhides Poeitl. • . , 



Cyphnspis Bliîm 



Proelus Stein i 21 



iEonia P>';itM 



Forbesia M'Coy 



Chcîrurns Pjeyu ) 



= Cerauras v, s * 



Sphœrcxochus Eeyk, 



Lîchas Dalm 



Platynotus Hall J 20 



Acanlhopyîje ilC. . 



Ceratocephala Waud, 



?TrimerocephaIus M'C. 

 7, Asaphidœ 



Uliï^nus (Dalm.) BuitM, 

 Thaleops Conr. , . . 

 Bumastus Mcucn. . , 



Archfï[fonus Bckm. . . . 



Asaphus (Bugn.) 



Nileus Dalm 



Cryptonymus Ercnw,, 



Isotelus DeK 



Basilicus Salt 



Amphyx Dalm 



8. Af^nostidœ 



Ajjnostus Brgn 1 8 



Badus Dalm j 9 



Cyclus KoN 



g, Incertœ Jiimiliœ 



Arelhusa Baur 



Arionides Barr 



Caphyra Bauk 



Dîoiiide Baur ^ . . 



E<jle Barr 



Hydrocephalus Bark 



MonadoUa Baru 



Olarîon (Zenk.) M\ - . 



Phaetonides Barh 



Polieres Rou 



Prionocheilus Bou. . . 

 Ptcrocephalia Roe, . . 



Trilobitos 



Trîiiûdus M' 



Bilubiloi Req 



fe. Poecilopoda.) 



I. Vnisculata 



Eurypterus DeK.., . 

 Lopidocarîs Scoll,. 



Plory(;oUis Ac 



Lepiochelcs M\ . . . j 



BolUiiurus KoN ' 



2- Bisculata^, 



Ilalicyno Mey. 



