It may be inferred from the great scarcity of this medal that but few availed themselves of the offer of exchange. I. INDEX OF ARTISTS. Abeele, Pieter van; notice, p. 37; medals, 160, 189, 190, 192, 217. Abraham, Jakob; notice, p. 113; medal, 514. Adolfszoon, Christoffel; notice, p. 44; medals, 218, 221. Arondeaux, R.; notice, p. 54; medals, 270, 325, 358, 380—382, 399, 415. Barber, J.; medal, 550. Barnett, —; medals, 519, 531. Bernard, Thomas; medal, 447. Blum, Johann; notice, p. 17; medal, 81. Boskam, Jan; notice, p. 70; medals, 344, 348, 383, 387, 388, 392, 393, 395—398, 401, 404, 406—408, 413, 419, 420, 422, 423, 425, 426, 430, 438, 439, 455, 458. Bower or Bowers, George; notice, p. 39; medals, 194, 203—205, 207, 234—240, 242—244, 256, 257, 262, 264, 265, 267, 268, 273, 274, 277, 278, 327, 329, 332, 333, 337. Brenet, —; medal, 547. Briot, Nicholas; notice, p. 14; medals, 68—72, 74, 75, 80, 85—87. Brunner, Martin; notice, p. 98; medals, 453, 461, 463, 466. Bylaer, J. M.; medal, 53. Chevalier, Nicholas; medal, 231. Couriguer, —; medal, 554. Crocker or Croker, Johann; notice, p. 72; medals, 352, 353, 409, 416, 418, 428, 435, 436, 440, 444, 445, 451, 457, 464, 465, 467, 469, 470, 475, 476, 481—483, 488—490, 492. Dadler, Sebastian; notice, p. 17; medals, 82, 162. Daniell, W.; medal, 615. Dassier, James Anthony; notice, p. 107; medals, 491, 508—510. Drapentier, D.: _see_ Trapentier. Droz, Jean Pierre; notice, p. 118; medals, 529, 551. Du Four, —; medal, 254. Du Vivier, Benjamin; notice, p. 116; medal, 523. Du Vivier, Jean; notice, p. 96; medal, 448. Dubois, —; medal, 546. Dupré, Augustin; notice, p. 116; medals, 522, 567. Furst, —; medal, 549. Gayrard, R.; medal, 434. Gayrard, —; medal, 555. Gosset, C.; medals, 512, 513. Haesling, Daniel; notice, p. 108; medals, 495, 496. Halliday, —; medal, 564. Hamerani, Giacomo; notice, p. 64; medals, 318, 319. Hamerani, Otto; notice, p. 62; medals, 309, 310, 312—314. Hancock, J. G.; medals, 534, 536—538, 543, 561, 562, 571. Hannibal, Ehrenreich; notice, p. 104; medals, 479, 480, 487. Hautsch, G.; notice, p. 68; medals, 336, 361, 374, 424, 427, 450. Holtzhey, Johann Georg; notice, p. 111; medals, 506, 517, 526. Kirk, John; notice, p. 112; medals, 507, 512, 516. Kleinert, F.; notice, p. 70; medals, 343, 347, 368, 417, 429, 441. Koene, D.; medals, 365, 377. Küchler, C. H.; notice, p. 119; medals, 533, 539—541, 544, 611. Lafitte, —; medal, 545. Lauffer, K. G.; notice, p. 70; medals, 343, 347, 368, 417, 429, 441, 462.