124 



NEW YORK STATE MUSEUM 



Dalmanella perelegans, 57 3 -58 2 . 



subcarinata, 58 1 . 

 Dalmanites anchiops, 14 2 , 16 7 , 17 3 , IS 6 . 

 var. sobrinus, IS 6 , 

 bisignatus, 19 8 -20 5 . 



explanation of plate, 105 5 . 

 boothi, IS 9 . 



var. calliteles, IS 9 . 

 calypso, IS 6 . 

 dentatus, IT 3 , IS 9 , 20 3 . 

 diurus, 18 6 . 

 dolphi, 17 5 , IS 9 . 

 (Pterygometopus) eboraceus, 18*. 



intermedins, 18 4 . 

 macrops, 18 6 . 

 myrmecophorus, IS 6 . 

 phacoptyx, 19 5 . 



explanation of plate, 105 7 . 

 pleuroptyx, 1G 7 , IT 2 , IS 9 , 20 3 . 

 (Corycephalus) regalis, IT 4 , IS 6 . 

 (Odontocephalus) selenurus, IT 3 , IS 6 . 

 (Synphoria) stemmatus, 15 5 -19 2 . 

 explanation of plate, 104 4 , 103 1 . 

 var. convergens, l!) 3 . 



explanation of plate, 105 3 . 

 verrucosus, 17 2 . 

 vigilans, IT 2 . 

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

 tain, T 2 . 

 Davis, W. M., on geology of Becraft 



mountain, 7 2 . 

 Dawson, J. W., cited, 81 8 . 

 Description of fauna, 15 4 -71 9 . 

 Devonic age of Helderbergian fauna, S2 3 - 



101 9 . 

 Devonic system, base, 82 3 -101 9 . 



Diapborostoma desmatum, 29 7 -30 3 . 

 explanation of plate, 108 6 . 



lineatum, 30 3 . 



ventricosum, 29 s -30 5 . 



explanation of plate, 109 3 . 

 Dictyonema crassum, G4 S . 



splendens, 64 7 . 



cf. splendens, G4 6 . 

 Didymograptus Sagittarius, 7 8 . 



tenuis, 7 s . 

 Distribution of Oriskany fauna, 72 1 -82 3 . 



Eatonia medialis, 40 3 . 



peculiaris, 40 5 . 

 Edriocrinus becraftensis, 62 6 . 

 explanation of plate, 121 1 . 



sacculus, G2 6 . 

 Ells. R. W., on fauna of Gasped limestones, 



SO 3 . 

 Explanation of plates, 104-21. 



Fauna, Oriskany, description, 15 4 -71 9 ; of 



Gaspe" limestones, 80 1 -82 2 ; of Manlins 



limestone, 9S 5 -101 9 . 

 Faunal values of Oriskany species, 6S 5 - 



71 9 . 

 Favosites, 15 1 . 

 Fenestella (Unitrypa) acclivis, GO 5 . 



biseriata, 61 2 . 



(Hemitrypa) columellata, 61 3 . 



(Unitrypa) lata, GO 3 . 

 Fistulipora, 15 2 . 



Gaspe limestones, fauna, 80 1 -S2 2 . 

 Gastropods, description of Oriskany 



species, 2S 7 -37 9 ; in tbe Helderbergian, 



S5 2 , S9 2 , 94 1 . 



