390 WilliMon — New Family of Reptiles from the 



Fig. 5. 



Fig. 5. Limnoscelis paludis. Eight front leg, dorsal view, two-fifths 

 natural size, re, radiale; i, intermedium ; we, ulnare ; p, pisiform. 



supraglenoid canal. I have observed this foramen in this posi- 

 tion in scapulae which I refer to the genus Ophiacodon, but 

 usually in the Pelycosauria the opening pierces the bone in front 

 of the scapular margin. I had supposed that this foramen was 

 characteristic of these old orders of reptiles, never having seen 

 any reference to it in literature of other orders of vertebrates. 

 But, I am surprised to find that it is quite typical of certain 

 lizards, and it perhaps occurs in other reptiles. In the present 

 reptile I have observed for the first time in any form other 



