ABBREVIATIONS. 487 



at. or stet. (L. st$t, it may stand), let it stand ; (L. stVnt, they may 



stand), let them stand. 

 sue. (L. succus), juice. 

 sum. ( L. 0tim), take thou ; (L. sumat, he may take), let him take ; 



(L. sumdtur, it may be taken), let it be taken ; (L. siimantur, they may 



be taken), let them be taken ; (L. sumZndtis), to be taken. 

 s. v. (L. spirittis, spirit ; vmosus, having the flavour or quality of wine), 



ardent spirit ; diluted spirited of wine : s. v. r. (L. spiritus, spirit ; 



wni, of wine ; r&ctiffadtus, rectified from rZctus, straight, right, and 



facio, I make), rectified spirit of wine : s. v. t. (L. spiritus vlnosus ; 



tibnuis, thin), diluted spirit; half and half spirit of wine and 



water. 



tinct. (L. lincturd), a tincture. 



troc. (mid. L. trochisctis, n. sing. ; trocMscl, n. plu.), troches or lozenges. 



vom. urg. (L. vdmitiorie, with . vomiting ; &,rgent$, with pressing or 



. urgent), the vomiting being troublesome ; when the vomiting 



begins. 



gr. is the symbol denoting a grain. 



3 is the symbol denoting a scruple = 20 grains troy. 



3 is the symbol denoting a drachm = 3 scruples, or = 60 grs. troy. 



is the symbol for an ounce troy = 8 drachms = 24 scruples = 480 grs. 

 troy; also = 16th part of a wine pint ; or 20th part of an imperial pint. 



i means one of the quantity indicated by the symbol : ij = two of the 

 quantity named : iij = three of the quantity named : iv = four of the 

 quantity named : v = five of the quantity named : vj = six of the 

 quantity named : vij = seven of the quantity named : ss. (for semi, 

 half ) = half of the quantity named, and so on. 



Thus we have gr. vj = six grains ; gr. iij = 3 grains : 3j =. one scruple ; 

 3iij three scruples ; 3jss = one and a half scruples ; 3ij = two 

 scruples : 3* v = f ur drachms ; SiJ 88 = two drachms and a half ; gj 

 = one ounce : viij = eight ounces ; ss = half an ounce : i and j are 

 symbols used in same sense as above, j always terminating. 



0. (L. ocldriux, a pint), is a less common symbol, and denotes a pint, 

 as Oj =: one pint ; Oij two pints ; Oss = half a pint. 



gtt. (L. gutta, a drop), as gtt. xx. = twenty drops. 



I. APOTHECARIES' WEIGHT For Medical Prescriptions. 

 20 grains (grs. xx) = 1 scruple (3j). 



3 scruples (3iij) = 1 dram (3J) = 60 grs. 



8 drains (3 vi ij) = 1 ounce (Jj) = 480 grs. 

 12 ounces (xij) = 1 Ib. 



NOTE. For ordinary purposes the avoirdupois ounce and pound are 

 used, but for prescriptions the above are still in use. 



NEW APOTHECARIES' WEIGHT. 

 437^ grains =' 1 oz. 

 16 oz. = 1 Ib. 



