A New System for Preventing Collisions at Sea 



HEAD OF THE LYRE BAT (Hilarious Bat). 



T^his bat has the sensitive membranes in the ears and also on the nose, 

 has fairly large eyes, and does not live altogether on insects. 



It 



HEAD OF THE MOURNING HORSESHOE BAT. 



This bat has a very complicated sensitive organ which occupies nearly the 

 whole of the face. That it has very little use for its eyes is witnessed by the fact 

 that they are extremely small. 



