NEW PUBLICATIONS. 157 
aplet cript to Don 
Ignacio Sanchez Tejada, secretary to the Viceroyalty of Santa Fé, for publica- 
h 
was left amongst a heap of other books and papers. It accidentally fell into 
the hands of a Spanish physician, Don Manuel Hernandez de Gregorio, who 
published the first three parts, relating to the medicinal properties of Chinchona 
bark, in 1828. 
The first part is on the errors that must exist in the administration of quina 
bark, while ignorance and confusion prevail concerning the different species. 
Mutis says that, in ti i diately succeeding the discovery of quina, only 
one species was known in Europe, namely, that of Loxa, which he calls quina 
th 
rs began to cut the trees down instead of barking them while standing, with 
a view to gathering the bark from the branches as well as from the trunk. It 
was intended also that shoots should thus spring up from the old stools. 
is now of no value. 
the Chinchona genus into four species, and attributes special medicinal qualities 
to each, vi 
1. C. lancifolia (quina naranjada), Orange bark. Febrifuge. 
4. C. ovalifolia (quina blanca), White bark. Tonie. 
Tn this classification Mutis displays an extreme love of generalizing on in- 
sufficient and false data. Nos. 2 and 4 are not medicinal Chinchonæ at all, 
and he himself confesses that the quina blanca was never appreciated in the 
trade. 
The third part gives some further information on the use of bark, as then 
practised ; but the controversies of the faculty, now sixty or eighty years old, 
can no longer be either interesting Or instructive. It is, however, curious to 
find Mutis writing on the subject of Chinchona cultivation in this strain :— 
‘The due conservancy of the quina trees in our forests will obviate the neces- 
