DI PALEONTOLOGIA 139 



Pakks W. a. — Devonian Panna of Kwabaìvahogau River, 

 Ontario Bur. Min. Rep., 1904, I, pag. 180-191 e 8 tav. 



Ulrich E, 0. and Bassler R. S. — Syst. paleont. of the Mioc. de- 

 posits of Maryland - Ostracoda and Briozoa. 

 Maryl. geol. Surv. Miocene, pag. 98-130, 404 429 e 14 tav. 



Ulrich E. 0. — Possils and age of the Yakutat formation. 

 Harriman Alaska Ea'ped., 4, pag. 165-146 e 11 tav. 



