CHAPTER VII. 



GEOLOGICAL. 



" The whole of creation in this world, and in all worlds, can be but a 

 series of glorious steps, fit for angels themselves to use, as symbolized in 

 Jacob's dream j a ladder from earth to heaven, by which, not in dreams 

 only, but in sober waking certainty, we may hold communion with 

 heavenly realities." CHEEVER. 



OW, if I have not tired you with my views 

 of what the microscope may lead us to in 

 our " lessons," let me introduce you to 

 some of the many choice specimens in our 

 cabinets which are marked " Geological." 

 There are many interesting sections repre- 

 senting the earth's surface and contents, from the 

 great strata of chalk to the interior of a volcano ; nay, 

 right down to the old red sandstone, a depth of twenty- 

 two thousand feet that is, upwards of four miles, below 

 the earth's surface. And then, if you will, we may learn 

 something of the material of the highest mountains in 

 the world, the Himalaya, and discover what appears at a 

 height of twenty-eight thousand feet above the surface 

 of the earth. 



Where shall we begin ? Let it be with the latter. 

 We live in days when the authority of the Bible is 



