DEVONIAN AT WHITE PINE. 193 



writer from Mount Argyle and Treasure Peak, and represents thirty -three 

 genera and forty-nine species, as follows: 



Cyathopliyllum sp. ? Eetzia radialis. 



Feuestella (2 sp. ?) Atrypa reticularis. 



Thainniscus sp. ? Bhynchonella duplicata. 



Liugula alba-pinensis. Ehynchonella emmonsi. 



Discina lodensis. Ehynchonella occidens. 



Chonetes sp.? Ehynchonella (L) quadricostata. 



Strophodonta canace. Cryptouella circula. 



Strophodouta inequiradiata. Pentainerus lotis. 



Strophodonta sp.? Terebratula sp.? 



Orthis macfarlani. Aviculopecten catactns. 



Orthis impressa. Pterinopecten sp. ? 



Productus hirsntiforme. Lunulicardium fragosmn. 



Productus subaculeatus. Cardiomorpha missonriensis. 



Productus sp. ? Nuculites triangulus. 



Spirifera alba-pineusis. Paracyclas peroccidens. 



Spirifera disjuncta. Gonocardium sp.? 



Spirifera engelmaniii. Platyostoma sp. ? 



Spirifera pinonensis. Euomphalvis laxus. 



Spirifera strigosus. Euomphalus sp.? 



Spirifera subuuibona. Loxonema sp. ? 



Spirifera sp. ? Platyschisma sp. ? 



Cyrtina davidsoni. Bellerophon neleus. 

 Ambocffilia unibonata. 



A more characteristic White Pine fauna is preserved in the black shale 

 than has yet been obtained in the corresponding beds at Eureka, and a 

 belt of intercalated limestone in the shale similar to that found east of 

 Sugar Loaf at Eureka bears equal evidence of its Devonian age. Here 

 the limestone appears as a lenticular body in the shale, with beds identical 

 in composition both above and below. While there is much in the group- 

 ing of forms foreshadowing the Carboniferous, the shales maintain their 

 Devonian aspect by carrying certain characteristic species up nearly to the 

 top of the series, and in this respect resemble the black shales found at 

 Hays Canyon west of Newark Mountain. 

 MON xx 13 



