10. _Where did the other letters originate?_
They have been added since the time of Cadmus, as their use became
necessary.

11. _What was the last letter added to the English Alphabet?_
W.

12. _Why was it called W?_
On account of it being composed of two u's, or a double u.

13. _How many letters in the English Alphabet?_
Twenty-six.

14. _How many in the Latin Alphabet?_
Twenty-five.

15. _What is the difference between the Latin Alphabet and the
English?_
The Latin omits the letter W.

16. _What Alphabet has the greatest number of letters?_
The Chinese.

17. _How many letters in the Chinese Alphabet?_
Over two hundred.

18. _What is a Perfect Alphabet?_
One which contains the same number of letters that it has
elementary sounds.