66 STUDIES FOR STUDENTS 



observed. The tuffaceous meteorites are made up of splint- 

 ers and dust varying in degree of consolidation. They are often 

 finely porous so as to soak up fluids readily. The splinters of 

 which they are made up may be similar in character (Shalka) or 

 strikingly dissimilar (Luotolaks). 



O. C. Farrington. 



(To be continued) 



