2l6 



OUR COMMON BRITISH FOSSILS. 



by the fact that Mr. G. R. Vine obtained, by washing 

 from six to eight tons ofWenlock shale, avast number 

 of specimens of fossil Polyzoa, among which the genera 



Fig. 176. — Fcnesiella nodnlosa (Carboniferous 

 limestone and shales). 



Fig. 177- 



—Glauconome 

 clegans, 



Stoviatopora, Spiropora, Glauconome, Horjiera, Penes- 

 tella, etc., were abundant. Certain localities are dis- 

 tinguished for the abundance of fossil sea-mats they 



Fig. 180. — Portion of 

 Polyf>ora (magnified), 



Fig. x^c^.—ReieporcL 

 (magnified). 



Fig. i?>t.—FenestelIa 

 inembranacea 

 (magnified). 



have yielded, but it is really because there have been 

 enthusiastic geologists to work them. Mr. Vine has 

 astonished palaeontologists by the great number of 



