INDEX 



Acanthaster clarki, 32 



perspinosus, 32 

 Agassiz, cited, 23 

 Agnostus, 137 

 Agraulos cushingi, 89 



cf. newtonensis, 89 

 Airograptus, 20 



cavernosus, 20 



cervicornis, 20 



furciferus, 17, 20 



peltatus, 20 



tuberosus, 20 

 Amphilichas conifrons, 90 



minganensis, 91, 92 



trentonensis, 90, 91 

 Amplexograptus vasae, 103 

 Ampyx, 137 



hornei, 144, 145 

 Anatifopsis ? elongatus, 103, 104 



wardelli, 102 

 Argentinaster, 117 



bodenbenderi, 118-20 

 Asaphidae, 137 

 Asaphus eichwaldi, 131 



expansus, 130, 133, 141 



laevissimus, 131, 13.3 



ludibundus, 131 



raniceps, 130, 133, 134 

 Aspidoceras, 100 

 Auluroidea, 62 

 Australina jachalensis, 117 



Barrande, Joachim, cited, 102, 

 128, 129, 142, 144, 145, 148 



Basilicus kegelensis, 131, 133 

 tyrannus, 135 



Bassler, Ray S., cited, 15, 21 



Bather, F. A., cited, 54 



Bathyurus caudatus, 20 



Beecher, Charles E., cited, 127, 

 140, 142, 144, 148 



Billings, cited, 28, 29, 72 



Bishop, I. P., cited, 68 



Brachyprion fascifer, 116 



Brown, Thomas C, cited, 20 



Buthotrephis lesquereuxi, 13, 115 



Callithamnopsis delicatula, 28 

 Callograptus compactus, 19 



grabaui, 18, 19 



salteri, 19 

 Ceratiocaris praecedens, 93 



salina, 92 

 Ceraurus, new, from the Chazy, 121- 

 26 



dentatus, 122, 123, 124, 125 



granulosus, 124 



hudsoni, 121, 124 



milleranus, 125 



pleurexanthemus, 124, 125 



ruedemanni, 121 



scutiger, 123, 124, 126 

 Cheirurus hydei, 125 



niagarensis, 132, 136 



spinulosus, 123 

 Clarke, John M., cited, 22, 25, 51, 58, 



82, 98, 99, 104, 107, 109, 113, 116, 



I3S, 142 



Clarkeaster, 29 



clarki, 30 



perspinosus, 29, 30-32 

 Climacograptus parvus, 21 

 Clintonella bodenbenderi, 116 

 Conularia, 831 



gracilis, 84, 85, 86 

 Corematocladus densa, 28 

 Cryptolithus, 137; cephalic suture 

 104, lines of, 144-49 



bucklandi, 131 



tesselatus, 131, 132, 133, 136, 141, 

 146, 147 

 Ctenodonta ? salinensis, 75 



Dalmanites, 137 



129, Dames, cited, 98 



Deecke, W., cited, 130, 142 

 Dendrograptus fluitans, 17, 19 

 Devonaster chemungensis, 32 



eucharis, 33-36 

 Diaphorostoma sp., 73, 114 

 [221]. 



