32 MEMOIR OF RONDELET. 



the same subject. " De materia medicinali, et 

 compositione medicamentorum," Padua 1556, 8vo. 

 " Formulae aliquot remediorum, libro de internis 

 remediis omissae" was printed as a continuation of 

 Lobel's Historia Plantarum (Anvers, 1576, fol.). 

 " De Theriaca tractatus" formed a part of Valerius 

 Cordus' Dispensatorium Pharmacorum, in the edi- 

 tions published at Ley den in 1627 and 1652, 

 12mo. ; ' Tractatus de Succedaneis' was included in 

 Schwenckfeld's Thesaurus Pharmaceutics (Basle 

 and Frankfort, 1587 and 1630). " Consilia quas- 

 dum Medica" were contributed to a collection of 

 treatises published by Laurent Scholzius in 1598. 



But it is almost exclusively for the value of his 

 contributions to Natural History that any distinc- 

 tion attaches to the name of Rondelet in the present 

 day ; and these contributions are almost entirely 

 contained in the works on Fishes already alluded to. 

 These are entitled, " De piscibus marinis libri xviii., 

 in quibus verge piscium effigies expressaa sunt," Lyons 

 1554, and " Universse aquatilium historian pars 

 altera, cum veris ipsorum originibus," Lyons 1555. 

 The former of these forms a folio volume of about 

 600 pages, and is unquestionably the most valuable 

 work that appeared on fishes, not only up to the 

 time of its date, but for a long while afterwards. It 

 is dedicated, in rather eloquent terms, to his patron, 

 Cardinal de Tournon. The subject is divided into 

 eighteen books, the first four of which treat of the 

 general properties of fishes ; 1st, Their differences, 

 as derived from their mode of life, the waters which 



