Manchester Memoirs, Vol. Ix. (19 16), No. % 35 



Phaneropleuron andersoni, Huxley. 

 This species is represented by excellent material on a 

 slab from Dura Den obtained in the British Association's 



Pdx ' 



Text-fig. 7. Phaneropletiron cuidersoni. Huxley. Dorsal and 

 lateral aspects of the skull. Natural size. Reference letters as 

 before, with: — P.Mx., Pre-maxilla. 



diggings of 191 3. The most valuable evidence is pro- 

 vided by a single almost uncrushed and excellently pre- 

 served head, but the more incomplete remains of three 

 others enable us to check every feature which we describe. 



