JOURN. Q. M. C. 



Ser. 2, Vol. XIII, PI. 30. 



/ 



7^ % 



Photomicroyr. 6. S. W/ssf. 



8 



Figs. 7 and S, V. Rousseletii. 



Arllard 4- Son <|- Jf'e.s;' Neirmah, Lid. 



