222 ON THE NAMES PLESIOSAURIA AND SAUROPTERYGIA. 



earlier name Plesioscmria, also the better from its non-committal 

 meaning, should stand for the order in its wide sense ; and that 

 the later name Sauroj)terygia should only be applied, in accordance 

 with Owen's definition and express designation of the type, as 

 well as with its etymology, to the suborder including the 

 Plesiosauridce, Pliosaibridce, and Elasmoscmridm, in which the 

 limbs are transformed into hyperphalangeal fin-like paddles. 



