450 



MISS E. M. K. WOOD ON THE LOWEE LUDLOW [May I9OO, 



Table III, showing the Oeder op Appeaeance op the Geaptolites 



OF THE LOWEE LlTDLOW BEDS OP BRITAIN. 



[C = Very common ; c— common ; 

 r=rare.] 



Species. 



C 



s 



.•6 



O °o 



§ 



to 







■ 



<U 55 



65 





M on ograptus lein twardinen sis, Hopk . 



f var. incipiens nov 



\ M. ultimus, Perner 











c 

 c 

 r 







( 



f f M. tumescens, sp. nov 



J Tar. minor (M'Coy) ... 





c 



c 



c 

 c 

 c 

 C 



c 

 c 

 r 

 r 





y M. ehimcera (Barr.) 





Tar. a 





? 

 r 

 c 

 C 



c 



c 



c 

 C 







M. Roemeri (Barr.) 



M. scanicus Tullb. 



M. varians Tar. pumilus nOT 



______________________ 





M. ehimcera Tar. Salweyi (Hopk.).. 

 M. colonus (Barr.) 





c 

 

 r 

 r 

 r 

 r 

 C 



r 



r 

 c 

 r 

 c 

 c 

 r 

 C 











Tar. compactus nOT 



i 



M. crinitus, sp. noT 



M. gotlandicus, Perner 





M. Nilssoni (Barr.) 





M. uncinatus Tar. micropoma, "1 



(Jsekel) J 



M. uncinatus Tar. orbatus nov 



M. varians, sp. iiot 









var. /3 .. 





M. vulgaris var. a nov 







L 



Retiolites spinosus, sp. nov 



| M. dubius (Suess) 



c 

 c 



r 



c 



c 









\ M. vulgaris, sp. nov 





( Retiolites nassa, Holm 







VI. Paleontology. 



(A) General Characters of the Graptolite-Fauna 

 of the Lower Ludlow Formation. 



Some of the more typical species of graptolites now known to be 

 characteristic of beds of Lower Ludlow age have long since been 

 described and figured by Murchison, Barrande, Suess, and others ; 

 but owing to the imperfect state of knowledge of graptolites in 

 general, at the time when the original type-specimens were named, 

 many of the subsequent identifications were necessarily provisional, 



