TABLE SHOWING THE DISTRIBUTION OF THE FOSSIL ESTHERL^. 



OKOLOGICAL STAGES. 



TERXrAIiY ,. 

 /'CliETACEOUS.l 



British TSLi;a, 



Purbeck (?) . 



rOxfordinn, Skye 



( Lower Oolite, Scnrborough , 



(LinlcsGcld, Elgin '' 



Wnrwickshire I 



IGIouceatersbire I 



Somcrsetabire J 



r Leiceatcrsbire I 



I WArwickahire I 



I WorceslErabire [ 



t Somereetsbire J 



Rbone Mill. Tyrone 



Upper Conl- 

 Man dies tcr 



Conl-mensnres, Derbysliire 

 nn<J L&narksbire 



Lower Cnrboniferous, Ber- 

 wickaliire 



[ZeatV occurs in the Upper T 

 Conl-nicasures of Lauca- 1 

 filiire, and Lower Carboni- [j 

 fcroiis of Fifeshire] 

 Caitbness mid Orkney... 



FeABCB ANTl Br.u 



Permian (?) or Upper 

 Cnrboniferous (?), 



Lower Carboniferous, 

 ilelf-iiim 



Hanover and Wiirtembei 



Lower Permian, Snxony 



Permian (?) or Upper 

 Curboniferous (?), 

 Murgthal \ 



Lower Cnrboniferous, 

 Silesia and Bavaria 



Kargala, &c.. 



■roiirga(nge lioubiful) 



Kotab, on tbe Pranhita 



( Mangatt ntid Pan- 

 t clieet 



NORTH AMERICA. 



r Pennsylvania, Eastern ^ 

 ) Virginia, and Nortb ( 

 (. Carolina J 



' {^Leaiu occurs in tbe Lower 



Carboniferous of Penn- 



. syWania.] 



SOUTH AMERICA, 



Estheria Middendorfii C.) . 



Estheria elfi(ilicii, and E. ttliptk 

 qundrata. 



(Estheria Murchisonia, E, concentrlca, and E. 

 I Kotahenm. 



iEstheria minuta, var. Brodieana, E, Manga- 

 l liensia (?), E. ovata (?), and E. Forbesii (!). 



Estheria Poytlochii, E. tenclla, and E. exigua. 



Estheria tenella and E. striata and its varieties 



' No fostil milutri 

 ' The adoplion of 



3 Sef tliu A|)pci 



as yet rererred to this period, excepting tliose of the Weoldeu formatioa (representing some of tlie freahivater dppoaita of the period). There is, lio 

 this stiige fur the Ejtheria from India itnd America is merely prowaionnl ; tliey may be Triussic. 



Estheria metnbranacea. 



r, the pOBfflhUitj- of either or both of the Siboriim and the South American EstAeri^t dcacrihed aboire being of this ago. 



