20. Aristotle is also referred to upon a medal of Alexander 
von Humboldt, which I may describe in a subsequent communi¬ 
cation. | 
Attalus, of Heraclea in Ionia, physician. 
21. There is an autonomous coin of Heraclea, with the in¬ 
scription, IT. ATT A AO I. APXIATPOI (Chief physician). 
*Sestini, Classes Generales Seu Moneta Vetvs Vrbivm Popu- 
lorvm Et Regvm. 2d edition, Florence, 1821, p. 82. 
Dioscorides (about 40 A. D.), of Anazarbus in Cilicia, botanist. 
22. Obverse. Bust, to left. Behind, AIOIKOYPIAHN 
Reverse , blank. 
Gold, silver. Oval, n x 16. 17 x 25 mm. 
Kluyskens, I, p. 257, fig. 
Galen, Claudius (130-201 A. D.), of Pergamus in Mysia, and 
Rome. 
23. Obi'erse. Bust, wearing a petasus (cap); a staff in one 
hand, and Aesculapius in the other. 
A coin of Pergamus. 
Fosbrooke, Encyclopaedia of Antiquities, I, p. 163. 
24. Obi'erse. Head, to right. Beneath, PINGRET, F. 
Inscription: CLAUDIUS GALIENNUS. 
Reverse. NATUS PERGAMI AN. C. XXXI. (J. C) 
OBIIT AN. CC.X. VERSUS. SERIES (etc.) M.DCCC.XLIV. 
DURAND EDIDIT. The dates upon the medal differ from 
those usually accepted. 
Bronze. 
Duisburg Cat., Dantzic, 2 Nov., 1869, No. 802. 
25. The bust of Galen is on the obverse of one of the award 
medals of the Pharmaceutical Society of London, 1841. 
Bronze. 28. 44 mm. 
Wood Medallic Cat., 25-29 Feb., 18S4, p. 145, No. 2273. 
