= DEAN—PROTEOLYTIC ENZYMES 
327 
Erep- 
Tryp- | Erep- | tase or 
Tissue — = Pla 
both 
ee Or MONEE 4 i fe ks Eas Hen Roa Rd Lae ees - = a es 
Ae AGSrISis CONDOMS. «6.6.0. vos jens deena gedendenmen a et : 
Mpa Seeds OL Pisin Salvi. 53 o0.0 0 oc od eke eee + ce o- 
SO MERWE WEE 5 6. ciess sas bs Bias ove aR Oxi eee Le ee a oa i“ 
RI Cr CMONINES SORTOUS oo 6s once accede g cede ee a Hd 
Fruit of Cucurbita pepo-ovifera........0. 0c eae cnceeceeeeees se a 
Fruit of Echallium Eloterium.......000cc0ccecceneseseveeons = Le ; 
RIE Ol Musa sa pientwi.. 6 5 occ. va nin v1 gedeee rns toes + 77 
Fruit of Lycoperiscum esculentum...........2.2-+0200e eee eees ai ‘ = 
emcee Fs wieted (ENED)... . ow nseiare nen Dw nth Sead 2 R 
eee ee 2 WORS MeAbee (Sheen). 60.25 ac sao dsc saem ae cae a - 
Fruit of Pyrus communis............ Salo Rhe Met enToe eee og ae 
Fruit of Citrus aurantium ( JRICE) Soke tenth aee ete res é - 
Fruit of Citrus aurantium (peel). ..........020c0eeeeeeeeeees 
PRO Vr TAR MOIE .. s sven Caecum emadans Soran ae \ om 
Of Se eternal) aeowe: Ur tet ot 2 oe sboe a 
Rumen da Creme MeaeiNned. cis vu ce avcd-deaveoesvenes eS ae 
BRA Nachos FB ccc eta. ihe aoe 4. be lek Cane ft etek: Remeatecmrea meet rye bi 7 i 
Latex of Euphorbia Characias. ........0cccensegeccneveccers pee zi 
OE LAAN SONNE. figo sv ok vena vaansctiounic cee eenters bab Fees es 
S RUPE ANN GOT AD IE ood cag sews ho eae Oe ie : a eee 
Ste f Cucurbita pepo-ovifera..... i... cece anodes deusvente ; . > - 
CPIM MMUMNS Sula. «5 9 co ook de inn ces v ees 4 
Stems of Helianthus tuberosus...cccccccccucecncucecceeeetes t i o 
RPO MMMNN fo fo oc as os wh nh du nated Cala me . ia owe 
Leaves of Spinacia oleracea. 0.05. 6iccccseseureanerecersbes id 4 es 
Leaves of Dahlia variabilis..... 00.02. ccccuccucceeceueeeues ‘ ee ere 
Leaves of Tropacolum majus..........2..cccceeeeeeeeeceees id eS Be 
Leaves of six other species of plants. .......- a Sie phehlge heels . 
ves of Holcus mollis and three other species of plants. ..... Pe res fe 
Bulbs of Twlipa and two other plabieccs Puget eee aS ad eae 
Tubers of Solanum tuberosum. .......02..cc0cceceeeeeeeeees . + ? 
Tubers of Helianthus tuberosus. .......0.0.0ccceeeceeeeeces : ot 
Roots of Dahlia variabilis...........00ceeeene vee eeeeeeeres - i 
Roots of Brassica Rapa and seven other plants.......----+++- 
which VinEs used would not digest itself and he believes its solution 
Was not due to any enzyme which the fibrin itself contained. VINES 
agrees with DeELEzENNE and Movron in believing that this fungus 
Contains an enzyme of the erepsin type. 
EXPERIMENTAL DATA 
In undertaking the study of the proteolytic enzymes I have had 
two ends in view. In the first place it was thought desirable . 
test a number of different plant tissues in order to confirm, if apes 
the results of Vines. The second and more important part of the 
investigation was to make a careful study of the enzymes In some 
