Journ. Mar. Biol Assoc, Vol. Fill. 



Fir;. 1. 



Plate VII. 



354/1. N.W. by N. (mag.) Zdd., i mile. 

 Hornblende gneiss, with garnets. 

 Ordinary light, x 141. 



Fifi. 2. 



M. 62a. S. 25° W. Edd., 46 4 miles. 



CruHhed jilagioelase felspar in chlorite schist. 

 Crossed nicols. x 29. 



To face p. 135. 



