"Ostrich Mimic" Dinosaur Struthiomimus in Flight. — Theory of the "ostrich mimic" dinosaur at full 

 speed, with the tail balancing the body, partly assisted by a thin membrane (or patagium) on the fore 

 limb, aiding flight as a parachute or air plane 



Two Additional Theories of Habit to account for the Structure of the "Ostrich Mimic" Dinosaur. — 

 C — Tree-browsing theory. Tlie fore limbs are used as supports. D — Shore-living theory. The fore limbs 

 are scratching in the sand for small Crustacea and Mollusca 



11 



