52 



S. W. WILLISTON 



a slight individual variation in their courses in the two skulls. 

 The shapes and relations of the elements conform so closely to the 



\ 



Fig. 3. — Broiliellus texensis. SpeciniL-ii No. 684, University of Chicago. One- 

 half natural size. 



recognized plan in the temnospondyl skull that a detailed descrip- 

 tion of them will be superfluous. The lacrimal, as more usual in 

 the temnospondyl skull, extends from the nares to the orbits, as has 



