The Pell equation, by Edward Everett Whitford.

INDEX OF NAMES.

Numbers refer to pages.

Abul Wefa, 39.
Alkacadi, 41.
Alkarkhi, 30, 39, 40, 45.
Amthor, M., 21.
Apastamba, 6.
Archimedes, 15, 16, 19, 41, 45, 63,
128, 130.
Arndt, F., 115, 116.
Aryabhatta, 26.
Aubel, H. van, 131.
Aubry, A., 60, 86, 150, 160.
Auric, 158.
Bachet, 31, 58, 71, 72.
Bachman, P., 85, 136, 141.
Barlow, P., 62, 97, 114, 123, 133.
Baudhayana, 6, 8, 127.
Beligne, A., 138.
Bell, A. H., 21, 147, 149, 153, 155,
158.
Berkhan, 143.
Besouclein, 146.
Bhaskara, 9, 27, 29, 31, 33, 36, 37,
38, 49, 152.
Bickmore, C. E., 97, 135.
Bills, S., 123.
Blaikie, J., 153.
Booth, 123.
Bortolotti, E., 136.
Boutin, A., 139, 140, 144, 148, 159.
Brahmagupta, 9, 26, 27, 29, 30, 31,
147, 152.
Brancker, T., 2.
Bricard, R., 161.
Brouncker, W., 1, 2, 32, 47, 49, 50,
51, 52, 56, 57, 58, 59, 64, 70, 71,
76, 152.
Brocard, H., 125, 130, 138, 140, 144,
147, 154.
Birk, A., 6.
Buteo, J., 45, 46.
Cahen, E., 142, 159.
Calzolari, L., 120.
Candido, G., 152.
Cantor, M., 4, 8, 9, 10, 13, 69.
Cardan, 45.
Catalan, E., 97, 118, 129, 140.

Cataldi, 45.
Cayley, A., 97, 117, 135.
Chatelet, A., 160.
Christie, R. W. D., 142, 147, 148,
149, 152, 153, 154, 155, 156, 158,
160.
Chrystal, 73.
Chuquet, N., 42, 44, 46, 132.
Colebrooke, H. T., 27, 30, 31, 32, 34,
37, 38.
Collins, M., 122.
Cornacchia, G., 158.
Cosali, P., 113.
Crishna-bhatta, 32.
Crowell, E. B., 152.
Cunningham, A., 1, 95, 96, 97, 142,
147, 149, 152, 154, 155, 156, 157,
158, 159, 160.
Curtze, M., 138.
d'Andrea, C., 115.
Davis, R. F., 147.
de Billy, J., 46.
Dedekind, 81, 86.
Degen, C. F., 95, 96.
De Lagny, 16.
de la Roche, 43, 44.
de Ortega, J., 44.
d'Ocagne, M., 130.
Didon, F., 121.
Digby, 49, 50, 56, 57.
Diophantus, 22, 23, 24, 25, 26, 30,
31, 39, 46, 47, 48, 49, 50, 128, 152.
Dirichlet, G. L., 79, 80, 81, 82, 85,
86, 88, 115, 132, 133, 141.
Dubouis, 159.
Dupuis, J., 13.
Durfee, W., 129.
Egen, P. N. C., 114.
El-Hassar, 40.
Elphinstone, M., 152.
Emmerich, 140.
Enestr6m, G., 2.
Epstein, 151.
Escott, E. B., 140, 144, 146, 148,
151, 159, 161.
Euclid, 48.

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