INDEX. ; . 105 
Page 
Potatoes, early, center of production in eastern United States............2... 1 
Pera ctanarnviErionmpotlOen Cosh ie 2s 5. eoeseeemeetseee 2 oso. c cae Le - se 
PED Es DUE DOI pa a ERS = ee ee rr! 1). a 
adult. activities at michteaeeter eats e eee sete Se 42. 
BC CVT a ee ea ei ok oo Soe 41-42 
copulation: <2 ee meee = ado ok OP 38 
deseription sant. <= sacs meee of oe 37 
destructive power by feeding............-......... 4] ” 
1111 Ge iS = 0 oct mae e e 42. 
LOO cw lenge 32 Nae AR ees ys cp, on 40-42 
lemeplansbthelem <ysccsy core Bet ua h She! ps aie eye a fps 38-39 _ 
nulpratimeis 2422 ci. 3s hays ee Ree oe ee 41-42 
number of eggs and rate of egg-laying.............-- 38 
OMEPOREnIOMIR a5 hse ses a2 Sk ee Le et WE 38 
Psylliodes punctulata, adult, portions of plants attacked...............22..--. 41 
protection by coneéaiment=-:.25- 2222s) silace ~~ =. 42 
lorcmaminumrre2%< 052), | so Sas io force. 42! 
time of reachine ana toritys Yi i625 es Se 38 
broods, number and time of appearance..........---...-. 43 
eOninelie:. ae see ha ee et Sate he” 2 eo tS ee 48-58 
by banding with tanvlefootrt3)220.)25 ee a2S 26: 50-52 
Bordeauxumitire.* 24-885 23) ed see 53-54 | 
AODAEEOIEMURACK S525: 592 tes. eaee 54. 
ecu panrseanUsits Prope oes ine oe Sel te So 58 — 
destruction of hibernating beetles...........-. 52-53 
(ETAT? 2 510 ee a ogee eas fey ee ee a i 58 
SPR LED < Meayeesise ene see aN os Na) ahr Be 56-57 
Bite yse ome eae oe me hee Sell S 48-49 
LATO UMS RCiemee, exer pete ct iid he voy Sah 48-49 
ESRC nee roti eee as Mey A apes ee Bos oe oc el 9 49-50 
EO] OH VOCONG IVs ate Sete Oe See ee ee ee 54 
U1) Osa acta cos one ame ES AP ere ie ee i aa 57-58 
iar praeiucal IM PASReS Ne 2). Sees LS ees ee ae - 54-56 
diseacecwbacherial taste sot Ras atl 5 ok ee ee 2 48 
AUER We EN ys ek Se ss Le La i oe 47 
CEOMMMITEHOUNOMANCE 128 eee So oes oe gas ce Res oe 33-34 
Eoos Varna emenber stata eia.4 eS oe sien cee See as 5 35 
conditions favorable for incubation ...-..........-... 35 
Co FE SSta ea NC geo ee 34 
Natoma etoceghy 5 chi8 2. Senn. 582 soe 35 
tamerohineubation= 4... 2520 d.Abes? ies oe 35 
Wikteretlandiie Sley pas teh ae So meee et. Sa 34-35 
food: of larval/sienc Geeta ds) 2 She R eee ees es, Le 40 
plants ofadiullttten Sass ace odes een ees « 40-4] 
Rabat Snare. oS ee ee ee ese 39-42 
juibernation’. 235 :c2st2 Stocee 7 eee ea eas cose hz 43-47 
emergence thereirompas eas eo sd 46-47 
entra CG sachs eerie ee ee Se ts Se 43-44 
(LC ge Alo Oi a 2 44-46 
larval conditions:tayorab lee eee HS os ce 2 SO AO 
ESCH PRION: =a an ee AEN Ee ara Bs bo cieecis ses ne 35 
depthtm) sotk-(53! Seema 5s noel n slates. 39 
1(O{0' PAN aoe ne ee eR eS 40 
