REPORT OF TEE CHIEF ASTRONOMER 511 



SESSIONAL PAPER No. 25a 



Nos. 1510-11. Same locality as 1509. 

 Fossils : 



Fucoidal markings. 



No. 1512. On top of ridge 1,500 yards northwest of Monument 48. 

 Fossils : 



Plant fragments. 



Clisiophyllum sp. 



Crinoidal fragments. 



Fenestella sp. 



Rhombopora sp. 



Cystodictya sp. 



Pfoductus semireticulatus Martin. 



Productus aff. jahovlevi Tschern. 



Spirifer aff. cumeraius Morton. 



Reticidaria lineata Martin ( ?) 



Spiriferina aff. campestris White. 



Martinia ( ?) sp. 



Seminula ( ?) sp. 



Terebratuloid (?) 



Myalina aff. M. squamosa Sower by. 



Aviculipeoten sp. 



Pleurophorus ( ?) sp. 



Orthoceras (?) sp. 



No. 1513. On same ridge as 1512, 1,000 yards farther north. 

 Fossils : 



I\onsdaXeia sp. 

 Campophyllum ( ?) sp. 

 Crinoidal fragments. 

 Fistulipora sp. 



No. 151^. About 1,200 yards west of summit of Church mountain; top of 

 ridge. 

 Fossils : 



Fenestella sp. 



Pinnatopora sp. 



Rhipidomella aff. nevadensis Meek. 



Chonetes sp. 



Productus semireticulatiis Martin. 



Productus aff. ivallacei Derby. 



Productus aff. jahovlevi Tschern. 



Spirifer aff. cameratus Morton. 



Spirifer aff. lyra Kut. 



Spirifer sp. 



Reticularia lineata Martin ( ?) 



Martinia (?) sp. 



