PLATE VIII 



FIG. I. HEAD OF THE GHOST LARVA 

 (CORETHRA) 



FIG. 2. THE BEAUTIFUL FAN ON THE 

 TAIL OF THE GHOST LARVA (CORETHRA) 



FIG. 3. LARVA OF THE GNAT, RISING 



TAIL-FIRST TO THE SURFACE OF THE 



WATER, TO TAKE IN AIR THROUGH ITS 



TAIL-LIKE RESPIRATORY TUBE 



HEAD-FIRST TO THE SURFACE OF THE 



WATER TO TAKE IN AIR THROUGH THE 



BREATHING TUBES UPON ITS BACK 



