L.M. B. C. Memoir Vlll. 



Plate XI 



K|s, 32-35. A. Scott, del. 

 ri| 36. after Ehrcnbaum. 

 FiJ. 37. after Petersen . 



M'FarllTie iErslone.Lith. Edin! 



PLEIIRONECTES. 



