pharmacy. 
by means of a spatula, gently heated, or, 
more accurately, by passing the linen on 
which the plaster has been laid, through a 
machine formed of a spatula fixed, by 
screws, at a proper distance from a plate of 
polished steel. 
To prevent repetition, the Edinburgh 
College give the following canon for the 
preparation of these substances : 
“ In making these compositions, the fatty 
and resinous substances are to be melted 
with a gentle heat, and then constantly 
stirred ; adding, at the same time, the dry 
ingredients, if there be any, until the mix- 
ture, on cooling, becomes stiff.” 
Linimentiim simplex, Edin. simple lini- 
ment, wax and oil. 
Oleum ammouiatnm, Edin. linimentum 
ammoniae. Loud, oil or liniment of ammo- 
nia, volatile liniment. 
Linimentum ammoniae fortius, Loud, vo- 
latile liniment, stronger. 
Oleum lini cum calce, Edin. linseed oil 
with lime. 
Oleum camphorat. Ed. camphorated oil. 
Unguentum adipis suillm. Loud, ointment 
of hogs’ lard. 
Unguentum simplex, Edin. ointment of 
simple wax and oil. 
Unguentum spermatis ceti, Lond. Dubl. 
ointment of spermaceti. 
Unguentum cerae, Lond. Dubl. ointment 
of wax. 
Unguentum acidi nitrosi, Edin. ointment 
of nitrous acid. 
Unguentum resinae flavas, Lond. Dubl. 
ointment of yellow resin. 
Unguentum elemi,Dubl. unguentum elemi 
compositum, Lond. ointment of elemi. 
Unguentum picis, Lond. Dubl. ointment 
of tar. 
Unguentum sambuci, Lond. Dubl. oint- 
ment of elder. 
Unguentum cantharidis, Lond. Dubl. 
ointment of cantharides. 
Unguentum infiisi meloes vesicatorii, 
Edin. ointment of mild epispastic. 
Unguentum pulveris meloes vesicatorii, 
Edin. ointment of stronger epispastic. 
Unguentum hellebori albi. Loud. Dubl. 
ointment of white hellebore. 
Unguentum sulphuris, Lond. Dubl. oint- 
ment of sulphur. 
Unguentum oxidi plumbi albi, Edin. oint- 
ment of oxide of white lead. 
Unguentum acetitis plumbi, Edin. the 
acetite of lead, saturnine ointment. 
Unguentum cerussae acetatae, Lond. Dubl. 
oiptment of acetated ceruse. 
Unguentum hydrargyri, Edin. ointment 
of quicksilver. 
Unguentum hydrargyri fortius, Lond. 
Dubl. ointment of quicksilver, stronger. 
Unguentum hydraigyri mitiiis, Lond. 
Dubl. ointment of quicksilver, milder. 
Unguentum calcis hydrargyri albi, Lond. 
ointment of white precipitate. 
Unguentum calcis hydrargyri rubri, Lond. 
ointment of red precipitate. 
Unguentum nitratis hydrargyri, Edin. ci- 
trine ointment. 
Unguentum subacititis cupri, Edin. oint- 
ment of verdigris. 
Unguentum oxidi zinci impuri,unguentnm 
tutiae, Lond. Dubl. ointment of tutty. 
Unguentum oxidi zinci, Edin. ointment of 
oxide of zinc. 
Ceratum simplex, Edin. ceratum spermatis 
ceti, Lond. Dubl. cerate of spermaceti. 
Ceratum resinae flavae, Lond. Dubl. ce- 
rate of yellow resin. 
Ceratum cantharidis, Lond. Dubl. cerate 
of cantharides. 
Ceratum saponis, Lond. Dubl. cerate of 
soap. 
Ceratum lithargyri acetati compositum, 
Lond. saturnine cerate. 
Ceratum carbonatis zinci impuri, Edin. 
cerate ot carbonate of zinc. 
Ceratum lapidis calaminaris, Lond. Dubl. 
cerate of calamine epulotic. Turner’s. 
Emplastrum cerse, Dubl. emplastrum ce 
rae compositum, Lond. emplastrum simplex, 
Edin. plaster of wax, drawing. 
Emplastrum picis Burgundic®, Dubl. em- 
plastrnm picis Burgundies composit. Lond. 
plaster of Burgundy pitch. 
Emplastrum cumini, Lond. plaster of 
cummin. 
Emplastrum ladani compositum, plaster 
of laudanum compound. 
Emplastrum cantharidis, Lond. Dubl. em- 
plastrum meloes vesicatorii, Edin. plaster 
of cantharides. 
Emplastrum meloes vesicatorii composit. 
Edin. plaster of cantharides, compound. 
Emplastrum oxidi plumbi semivitrei, 
Edin. emplastrum lithargyri, plaster of com- 
mon litharge. 
Emplastrum resinorum, Edin. emplastrum 
lithargyri cum resina, Lond. plaster, adhe- 
sive. 
Emplastrum assafoetida, Edin. emplas- 
trum gummosum, Lond. plaster of gum or 
assafeetida. 
Emplastrum lithargyri compositum, Lond- 
plaster of litharge, compound. 
