92 



NEW YORK STATE MUSEUM 



7 Hraj' crystalline Hmostoiie (eontitiued) 

 Leperditia fabulltes Conrad 

 L. resplendens sp. nov, 

 Euryehilina biilbifora sji. mn . 

 E. obllqua sp. nov. 



E. subradiata Ulrich, rar. rensselaerica var. nov. 

 E. dianthus sp. nov. 



Primitia numdula MiUer, var. joiicsi var. nov. 

 BoUia coniiicopiae sp. nov. 

 Maci-onotella ulrichi sp. nov. 

 M. fragrarla sp. nov. 

 Bythocypris cylindrica Hall sp. 



Tabulation of the faunas 



The following tabulation of the organisms of the last three 



groups of pebbles is given to show the relative frequency of 



occurrence, and their vertical range in other regions. 



c 



cc 



r 



rr 



c 



c 



r 



rr 



c 



rr 



c 



Frequency and vertical range of species 



B— Black river group; Ch—Chazy; D=Dieellograptu8 zone (Normans kill shale. Lower Dlcello- 

 graptuszone^; L-Lorralne beds; Lo=.Lowville MmesionH (Blrdseye limestone, Stones river group); 

 R— Richmond beds; T—Trenton limestone; D=Utica beds. 



Streptelasma corniculuni JJall. 



Diplogruptus foliaceus Mur- 

 efiixon sp.. 



Cliiuacograptas 8cbarenberj;i 

 Lapu'orth 



Storuatopora inflata Ilall sP- - 



Stictopora cf. eli'eautula Hall. 



Callopora multitabiiiata Ulrich 



Prasopora siiuulatrix var. ori- 

 ental is Ulrich 



Siplionotrcta tuinuosotensis 

 JIall Sl Clarke 



Crania c/ xrcDtoui'jini» Ilall .. . 



I'holidops trentonensis Hall .. 



Itatiuesquina alternata Em- 

 mons up 



II. dcltoiaoa Conrad sp 



Gray 

 lime- 

 stone 



Leptaena rhomboidalis Wilek- 

 ens 



IMbctambonites sericeus Sow- 

 erby sp 



1*. sericeus var. asper Jamea 



P. piHuni »p. nov 



( 'hriHtiaiiia trentoiiensis *p. nov' 



Triplecia nucleus Hall 



Ortbla tricenaria Conrad 



cc 



r 



cc 

 r 



Plec torthis plicatolla Hall 



I'lalystrophia biforata Sehlot- 

 heirn sp 



Dalmanella testadinaria Dal- 

 man sp 



Reddish 

 gray 

 lime- 

 stone 



Black 

 lime- 

 stone 



r 

 c 

 r 

 cc 



rr 



r 

 r 



cc 







N. Y. 



T 



TL 



D 

 T 

 T 



T 

 T 



T-L 



T 



T-Carb 



T-L 

 T-U 



T 

 T 



T 



T-L 



LoL 



Canada 



T 



T-U 



D 

 T 



Ch L 

 T 



T 



Lo-L 



? 



LoT 

 Lo-T 



Chazy 



-UPP 

 SU 



Lo-L 



West 



T 

 T-L 



BT 



"b-t"' 



B-T 



Lo 

 T 

 T 



B-R 

 T 



T-Carb 



Lo-R 



U 



Lo-T 

 T-L 

 T-R 



Lo-R 



Other regions 



T of Baffin Land 



T of Manitoba 

 Lake Winnipeg 

 Europe ? 



Europe 



Europe 



Baffin Land 

 Lake Winnipeg 



Baffin Land 

 Europe 



Baffin Land 

 Europe 



