Morgan County News | 1944-08-18 | Page 2 | Jet Propulsion Isn't New; Fish Have Long Used It

jet propulsion new fish have long tasel it jet propulsion as now as we think there are about species of fish including cuttlefish which move through the water and very quickly by expelling ex pellin 9 jets of water from froin their gill slits which are placed in just the right position to make full use of this form of power tail and fins are quite motionless in in this method of submarine travel if jet propulsion fish finds it is traveling in wrong direction it simply puts on emergency brakes by sucking in water ahr through ough gill slits MRS and expelling it from mouth