92 COMPARISONS OF STRUCTURE IN ANIMALS. 



from tlie hand and arm, as it is developed in 

 man, to meet his exigencies as a rational being, 

 through the various classes of the kingdom, till 

 we come to the finny tribes of the waters. We 

 have contemplated the dingers of the monkey, 

 the diggers of the mole, the wings of the bat, 

 the hooks of the sloth, and the armed paw of 

 the lion. We have seen the solid pillars of the 

 elephant, the elastic limbs of the horse, the foot 

 of the camel and llama, and the paddles of the 

 seal and the whale tribe. Again, in the wings 

 of the feathered tribes, we have seen other 

 modifications. We have pointed to some re- 

 markable peculiarities in the structure of the 

 feet of such reptiles, as, unhke the snake, are 

 furnished with limbs, either for swimming or 

 chmbing, or adhering to smooth surfaces. And 

 in some important modifications of the fins of 

 fishes, we have pointed out the connexion be- 

 tween such modifications, and the peculiar 

 habits of the species ; and with this class of 

 fishes the vertebrate series ends. In our pro- 

 gress, we could not but perceive that, receding 

 only a few degrees from man, we began to 

 find the anterior members Jess and less 

 structurally constituted as organs of touch: 

 less and less fashioned for manipulation or 



