308 



Mr. J. Sinitli on the Upper Silurian 



Gothland Upper Silurian Foraminifera, showing 

 THEIR Range in Time. 



o 





O O 



go 



O 



rt 



Hyperammina vagans, Brady 



minutissima, sp. n 



rectangiila, sp. n. 



ramosissima, Chap 



Reoplax pilulifera, Brady 



acluDca, Brady 



Haplophragmium latidorsatum, ^orM.,sp. 



Ammodiscus gordialis, J. ^- P., sp 



Trochammina anceps, Brady 



Webbina hemisphiBrica, /., P., ^- B 



— • — gothemensis, sp. n 



Stacheia acervalis, Brady 



congesta, Brady 



Lagena globosa, Montag., sp 



Isevis, Montag., sp 



clavata, Moiitag., sp 



gracillima, Sey., sp 



parkeriana, Brady 



auriculata, vav. linearituba, Cush- 



man 



cylindrica, sp. n 



gottlandica, sp. ii 



gutta, sp. n 



storavedensis, sp. n 



visbyensis, sp. n 



acutangula, sp. n 



Nodosaria cf. soluta, Bss., sp 



inflexa, Bss., sp 



siluriana, sp. n 



Orbulina universa, If Orb 



Abstract. 



Recent 13 species. 



Carboniferous 8 „ 



Upper Silurian 29 „ 



Cambrian 11 „ 



The whole of the Cambrian species are got living at the 

 present day. 



New species, ten. Species hitherto known from tlie Upper 

 Silurian, seven. 



