Ou bien, either; in line 32, or else

Page 25. — 1. Il y a plus . . . s'en doute, it has been suspectée for more than two thousand years.

2. Pythagoriciens, Pythagoreans, followersof Pythagoras, a Greek philosopher who flourished about 540-510 B.c.

3. Cicéron, Cicero, the celebrated Roman orator who lived from 106 to 43 B.C.

4. Plutarque, Plutarch, eminent Greek writer, the greatest biographer of antiquity, born about 50 A.D., best known by his "Lives" of famous Greeks and Romans.

5. Nicétas, Greek philosopher, disciple of Pythagoras. — Syracuse, a city on the island of Sicily, was founded by the Greeks.

6. Ptolémée, Ptoletny, a noted Greek astronomer and geographer who lived at Alexandria in Egypt in the second century a.d. He taught that the earth is fixed in the center of the universe, and that the sun and stars make a daily révolution about it. His theory of astronomy is known as the Ptolemaic System.

7. Copernic, Copernicus (1473-1543). Developed the System of astronomy which has borne his name, and which established the theory of the movements of the earth and planets around the sun.