308 



]\[r. J. Smith on the Upper Silurian 



Gothland Upper Silurian Foraminifera, showing 

 THEIR Range in Time. 



Ilyperanmiina vapaus, Brady 



minutissima, sp. n 



rectan^ula, sp. u . . 



raniosissima, Chap 



Reoplax pilulifera. Brady 



adunca, Brady 



Haplophrairmium latidorsatuni, Born.,s]) 



Ammodiscus gordiali.*, J. ^- P., sp 



Trocbamniina anceps, Brady 



Webbiua liemispliajrica, J., P., ^- B 



gothemensis, sp. n 



Stacheia acervalis, Brady 



congesta, Brady 



Lagena globosa, Montay., sp 



Isevis, Montay., sp 



clavata, Montay., sp 



gracillima, Sey., sp 



parkeriana, Brady 



auriculata, var. lineaiituba, Cush- 



man 



cylindrica, sp. n 



gottlandica, sp. n 



gutta, sp. n 



storavedensis, sp. n 



visbyensis, sp. n 



acutangula, sp. n 



Nodosaria cf. soluta, Rss., sp 



inflexa, i?ss., sp 



siluriana, sp. n 



Orbuliua uni versa, lJ''Orb 



O 



O) o 



p 



Abstract. 



Recent 13 species. 



Carboniferous 8 „ 



Upper Sihirian 29 „ 



Cambrian 11 „ 



The whole of the Cambrian species are got living at the 

 ])resent day. 



New species, ten. Species hitherto known from the Upper 

 Silurian, seven. 



