GEOLOGICAL. 203 



actually carried on in the Adriatic, and for six years 

 promised to be successful ; but the plan was defeated by 

 rival dealers, who imagined that this invention boded 

 evil to their craft. 



Have I wearied you in the brief study of so very 

 humble a creature as a sponge ? And do you think much 

 of the evidence of the care that God has taken over one 

 of the weakest of His creatures ? and do you not conclude 

 that, therefore, much more will He care for you ? And 



'Pill 



. .i. : : ' 



Expulsion of water by a living sponge. 



will you not join in David's prayer, and devoutly say, " 

 Lord, how wonderful are Thy works ! in wisdom hast Thou 

 made them all ; the earth is full of Thy riches : so is 

 this great and wide sea, wherein are things creeping 

 innumerable, both small and great beasts " ? And, lastly, 

 are you ready to believe in the fact that amidst the " all" 

 that is, from the smallest atom of creation which the 

 strongest magnifying power almost fails exactly to 

 discern, namely, a monad, and the largest moving animal, 

 that is the whale, the half-way house is our little 



