EXPLANATION OF PLATE. 



1. The hind part of the skeleton of the Mallard (Anas boscas). 



/. femur. 



i. ischium. 



m. caudal vertebrae. 



n. ilium. 



p. pubis. 



r. radius. 



u. ulna, 



w. attachment of caudo-femoral muscles. 



x. caudo-femoral muscles 



y. ischio-femoral muscles. 



z. attachment of ischio-femoral muscles. 

 2. Left femur of Swan. 

 3. ., ,, Camptosaurus. 

 4. ,, ,, Iguanodon. 



