No. 3.

I am composed of 49 letters.

My 5, 24, 39, 24, 31, 33, 29 is a peculiarity of the moth's tongue.

My 12, 42, 25, 38, 40, 10 is something the bee uses.

My 1, 22, 26 is peculiar to the feet of some birds.

My 1, 46, 12, 2, 14, 2 is a kind of deer.

My 19, 43, 19, 24 is a large bird.

My 11, 32, 44, 28 is an animal.

My 23, 16, 3, 46, 7, 42, 28, 12, 4, 42, 45, 36, 45 signifies change.

My 9, 17, 47, 21, 49, 49, 13, 8 enables insects to feel.

My 18, 21, 29, 30, 45, 46, 37, 6, 45 is the first change of a caterpillar.

My 34, 15, 49 is part of a fish.

My 42, 28, 17, 48, 20, 21, 42, 28, 4, 30, 10, 41, 21, 24, 45 is a strange animal.

My whole contains a useful animal.

Paul.