124 



NEW YOB.K STATE 31USEUM 



Salmanella perelegans, ST'-SS*. 



subcarinata, 58^ 

 Dalmanites anchiops, W, W, n\ IS^. 

 var. sobrinus, 18*. 

 bisignatus, 19^-20^ 



explanation of plate, 105^ 

 booth!, 18^. 



var. calliteles, 18'. 

 calypso, 18*. 

 dentatus, IT^, 18', 20». 

 diurus, 18*. 

 dolphi, 175, 189. 

 (Pterygometopus) eboraceus, 18*. 



intermedins, 18*. 

 macrops, 18*. 

 myrmecophorus, 18*. 

 phacoptyx, 19^. 



explanation of plate, 105'^. 

 pleuroptyx, 16', 172, igg^ 20^. 

 (Corycephalus) regalis, 17*, 18*. 

 (Odontocephalus) selenurus, 17', 18*. 

 (Synphoria) stemmatus, 15^-19^. 

 explanation of plate, 104*, 105^ 

 var. convergens, 19'. 



explanation of plate, 105'. 

 verrucosus, 17^. 

 vigilans, 17^. 

 Dana, J. D., on geology of Becraft moun- 

 tain, 72. 

 Davis, W. M., on geology of Becraft 



mountain, 7^. 

 Dawson, J. W., cited, 81«. 

 Description of fauna, 15*-719. 

 Devonic age of Helderbergian fauna, 82'- 



101». 

 Devonic system, base, 82'-101'. 



Diaphorostoma desmatum, 29''-30'. 

 explanation of plate, 108*. 



lineatum, 30'. 



ventricosum, 29'-30*. 

 explanation of plate, 109'. 

 Dictyonema crassum, 64*. 



splendens, 64'. 



cf. splendens, 64*. 

 Didymograptus Sagittarius, 7\ 



tenuis, 7*. 

 Distribution of Oriskany fauna, 721-82'. 



Eatonia medialis, 40'. 



peculiaris, 40^. 

 Edriocrinus becraftensis, 62*. 

 explanation of plate, 121^ 



sacculus, 62*. 

 Ells, E. W., on fauna of Gasp<S limestones, 



80'. 

 Explanation of plates, 104-21. 



Fauna, Oriskany, description, 15*-71^; of 



Gasp6 limestones, 80^-822; of Manlius 



limestone, OSMOl'. 

 Faunal values of Oriskany species, 68*- 



71*. 

 Favosites, 15^ 

 Fenestella (Unitrypa) acclivis, 60*. 



biseriata, 61^. 



(Hemitrypa) columellata, 61'. 



(Unitrypa) lata, 60'. 

 Fistulipora, 15^. 



Gaspe limestones, fauna, 801-82^. 

 Gastropods, description of Oriskany 



species, 28'-379; in the Helderbergian, 



852, 89', 941. 



