RIVER CRAYFISH. Ill 



tliey would die in a few momeTits, because their great 

 consnniption of air does not allow them to live in water 

 unless it is continually renewed." The strange, mys- 

 terious waters flowing through the mammoth caves of 

 Kentucky contain, amongst other wonders, considerable 

 numbers of these interesting creatures ; and we have 

 recently been favoured with a sight of two specimens 

 of remarkable size and beauty of form brought from the 

 interior of Venezuela. 



Although neither crab, shrimp, or lobster, the bold and 

 adventurous diver as a " submarine armour-clad," holds 

 a conspicuous position, as with helmet of proof, and 

 ponderous, metal-soled boots, he plunges fearlessly 

 beneath the wave, and prosecutes his researches " full 

 fathoms iive," amongst the strange, weird fastnesses 

 and cavernous depths of the deep sea. Huge and 

 terrible as he with his eyes of glass, and India-rubber 

 skin, must appear to the lesser inhabitants of the 

 ocean's realms, there are "Tritons amongst the min- 

 nows," who fear him not, and would think little of 

 making a meal of him, in spite of his crystalline eyes 

 and indigestible equi^^ment. The records of the voyage 

 of H.M.S. Fawn serve to show that the human 

 " armour-clad," when submarine in his occupations, is 

 by no means "Monarch of all he surveys." "The 

 gunner of the Faivn, being a very expert diver, was 

 employed to recover the treasure from the Peninsular 



