596 BRITISH FOSSIL REPTILES. 



the citation," which his readers are left to conclude would have justified his definition of 

 my work in relation to the Tachypoda of Von Meyer. A quotation could not, in fact, 

 be given for the purpose Professor Huxley had in view. I therefore supply the omission, 

 with the remark that the occasion of eulogizing a deceased palaeontologist might be better 

 improved than by making it a ground for reflecting on a living one. 



In the ' Isis von Oken,' Band xxiii. Heft v, 1S30, 4to, p. 518, Hermann von Meyer 

 proposed the following distribution of Fossil Saurians according to the structure of their 

 hind-limbs : — 



" Saurier mit Zehen, welche denen der lebenden am ersten noch entsprecJien 



wurden, und zwar 



"a. ViERZEHIGE. 



" Rhacheosaurus, H. v. Meyer. 



" Geosaurus, Cmier {?). 



" Teleosaurus, Geqfroy (?). 



" Aeolodon, ff. v. Meyer. 



" Streptospondylus, "^ 



" Metriorhynchus, 



" Macrospondylus, 



" Lepidosaurus, 



" Mastodonsaurus, Jaeger (?) . 



" h. FijNFZEHIGE. 



" Protorosaurus, H. v. Meyer. 



" Saurier mitjlossenarfiyen Gliedmassen. 



" Ichthyosaurus, Conybeare. 

 " Plesiosaurus, Conybeare. 

 " Mosasaurus, Conybeare. 

 " Phytosaurus, Jaeger (?). 

 " Saurocephalus, Harlan (?). 



" Saurier mit Gliedmassen, dhnlich denen der schweren Landsaugethiere. 



" Megalosaurus, Buckland. 

 " Iguanodon, Mantell. 



" Saurier mit Flughaut. 



" Pterodactylus, Cuvier." 



H. V. Meyer (?). 



