Word: penquin
(lookup in dictionary)
(lookup stats)
Dates: during 1890-1899
Sort By: most recent first
(reverse)
...that flight is instinctive. Professor Morgan described a series of experiments which he made, proving this. With the aid of his lantern slides he also illustrated the developement of flight in all orders of birds, beginning with the highest development as shown in the swallow and ending with the penquin...
| 1 |