Decennial Index ^ 1881 — 1890. 
89 
PEONIxV VERDADERA (P. oificinalis), 
uses, 86, 72. 
— DEL paIs, Cyperus rotundas, uses, 
86, 73. 
PEPPER, adulterated with iron ore, 
* 89, 470. 
— GROUND, adulterations, 88 , 354; 
(olive pits), 83, 326, 87, 14h ; 
(bread), 87, 313, 90, 277— com- 
mercial, analysis, 88, 481 — ash, 
90, 342— factitious, 89, 265— de- 
tection of paradise grains, 88, 403 
— test of purity, 85, 240. 
PEPPER TREE. See Schinus Molle. 
PEPPERMINT. See Mentha piper- 
ita. 
— CAMPHOR. See Menthol. 
PEPSAU, account, 88, 545. 
PEPSIN, action upon drn^s, 82, 574 
— action of alcohol, 87, 560 ; of 
saccharin, 88, 26 — commercial, 
compared (Thompson), 88, 529, 
90, 440; (Stebbins), 88, 466; 
(Turner), 90, 378; (Eccles), 86, 
508 — criticisms: (Baden Benger), 
81, 532; (Percy Smith), 88, 464; 
(Kremel), 88, 471 ; (Ball), 89, 527 , 
(Eccles), 90, 534 ; (Schlickum), 85, 
237 ; (Sayres), 81, 89 — value of Jen- 
sen's pepsin, 81, 477 — compared to 
papain, 89,527 — use in sea-siciiness, 
82, 310 — soluble and insoluble 
(latent), 82, 508, 84, 344— con- 
stituents of urine, 86, 387, 89, 365 
— yield increased, 86, 430 — testing, 
precautions, 81, 584. 
— saccharated, keeps unaltered, 81, 
632. 
— and bismuth, stable solution (Po- 
ther), 84, 355 ; (Kroh), 86, 539. 
PEPTONE, estimation, 81, 463— in 
blood, 87, 252, 497 — commercial, 
examination, 89, 525 — distribution 
in the animal economy, 83,444,472 
— poisonous alkaloid, 83, 300 — 
preparation (Pekelharing) 81, 78; 
(Petit), 81, 359 ; (enemata), 82, 61; 
(Kuhne and Chittenden), 86, 568; 
(by chemical reaction), 88, 99; 
(formation. Palm), 88, 514 — reac- 
tions, 81, 457, 86, 568 — in urine, 
84, 292— test, 87, 498, 88 , 405, 514. 
— gelatin, action of biliary acids, 
86, 29. 
— koumiss, 88, 147. 
— mercurial, preparation, 82, 373. 
— MILK, nature, 86, 95. 
— de SERUM, for hypodermic use, 87, 
442. 
— pef'Sino-tartrate (Petit), 81, 359. 
PEPTONIZATION (Eccles), 86, 508. 
PERC^OLATION, with compressed 
powders (Rosen wasser), 81, 568; 
(Berry), 83, 587 — intermittent 
(Fairthorne), 81, 625 — simulta- 
neous fractional (Hallberg), 84, 
543 — continuous with boiling liquids 
(improvement on Tollens-Thresh ), 
85, 149— review, 90, 531. 
PERCOLATOR, standard dimensions 
(Oldberg), 84, 541 — air pump 
(Thomson), 82 , 236, 83, 537— 
pressure (Rosen wasser), 81, 568; 
(Berry), 83, 587— for ethereal 
liquids (Calvert), 83, 269— sec- 
tional (Thomson), 83, 529. 
PEREIRINE, as substitute for sul- 
phate of quinine in malarial and 
intermittent fevers, 86, 278, 88, 
76, 90, 50. 
PEREZIA, distribution of species, 
84, 185 — contains pipitzahoic acid, 
84, 185. 
— moschata, uses, 86, 171. 
PEREZONE, nature, 86, 74, 90. 
PERFUMERY, formula?, 83, 102, 
87, 187,348. 
PERIQUILLO, Tagetes lucida, uses, 
85, 603. 
PERONOSPORA viticola on grape- 
vines, 87, 433. 
PERSEA LiNGUE, description and con- 
stituents of bark, 82, 73. 
— species, uses in Mexico, 85, 234. 
PERSIC A vulgaris, use of leaves, 
90, 196— in Mexico, 85, 231. 
PERSIMMON. BARK, characteristics 
of crystalline principle, 90, 390. 
PESTLE, cement, 81, 397— handle, 
(improved knob), 81, 633. 
PETIVERIA species, yield pipi root, 
87, 429. 
PETRALITE, blasting powder, com- 
position, 82, 16. 
PETRIFACTS from Lykens Valley, 
Pa., 86, 105. 
PETROLATUM, antiseptic (Bron- 
del), 88, 103, 130. 
— commercial, examination, 88, 11 
— melting point, 81, 508— process 
for emulsionizing, 89, 559 — in offi- 
cinal ointments (Remington), 83, 
487, 539. 
PETROLEUM, American, constit- 
uents, 86, 92. 
— origin, 88, 187, 478 — fluorescence 
destroyed, 87, 312, 89, 132. 
PEUCEDAMINE, composition and 
reactions, 90, 341. 
PEUCEDANUM species, used by the 
Indians, 89, 556. 
