204 



OLDER PLIOCENE FORMATIONS. 



[Cn. XIII 



called Voluta Lamberti (fig. 157), may seem an exception; but it 

 differs in form from the volutes of the torrid zone, and may, like the 

 living Voluta Magellanica, have been fitted for an extra-tropical 

 climate. 



The occurrence of a species of Lingula at Sutton (see fig. 160) is 

 worthy of remark, as these Bmchiopoda seem now confined to more 

 (equatorial latitudes ; and the same may be said still more decidedly 



Fig. 155. 



Fascicularia aurantium, Milne Edwards. Family, Tubuliporidoi, of same author. 



Bryozoan of extinct genus, from the inferior or Coralline Crag, Suffolk. 



a. Exterior. b. Vertical section of interior. c. Portion of exterior magnified. 



d. Portion of interior magnified, showing that it is made up of long, thin, straight tubes, 

 united in conical bundles. 



Fte. 15G. 



f^- 



Astarte (Crassina, Lam.) ; species common to upper and lower crag. 



Astarte Omalii, Lajonkaire; Syn. A. Mpartita, Sow. Min. Con. T. 521, f. 3; a very variable 



species, most characteristic of the Coralline Crag, Suffolk. 



Fig. 157. 



Fig. 15S. 



Fig. 159. 



Voluta Lamberti, youn< 

 individ., Cor. and Rec 

 Crag. 



Pyrula reticulata, Lam. ; 

 Coralline Crag, Kam- 

 sholt. 



Temnechinus excavatus, 

 Forbes; Temnopleurus 

 excavatus, Wood ; Cor. 

 Crag, Eamsholt. 



