How many species in all? "The Boy Hunters" by Captain Mayne Reid

Neither he nor his species were ever afterwards able to raise themselves up in the air. "The Sand-Hills of Jutland" by Hans Christian Andersen

I looked upon it then as a species of game. "Rose MacLeod" by Alice Brown

It was indeed a species of giant, whose life we had just saved. "Atlantida" by Pierre Benoit

Do you know how many species there are on this planet? "Keep Your Shape" by Robert Sheckley