CONTENTS 
Page 
SVEN BTC Ta eS a Sy ae RE ae De a I Yah 5 
IE v= LGR WVRL URIs testa Br a ae Be ee ain ea gn a 
Semen IOn LOI OO NOD eae es tars acdc aetebais oes oho bones eee Oe 8 
Public Offenses—Hunting Wild Birds—Penalty..................... 9 
TICCES LOD a1 OD late eas ae pire mae nh teak een a obs nyMicayy ste eaten! i ewe, 10 
Committees, Academy of Science, 1919.......................00 00s 11 
Officers of the Academy of Science (A Table of)..................... 12 
Lot BET SGI SL SUNSETS Coo ar A UN RR 14 
PERERA Nu UNI eae NG AWC) ce eas, SINS pa aM chesle orieaec baie, x aca tinlh bie Seek rece 14 
iwon-hesident: Members and ‘Mellows...........00005 02. 6 e ecw beeen 16 
OL URGE: IMUGY STIL G(T aS REL Oe esa a a A ie RRO 18 
miinntos or the: Sprine NMieetIne® 0.05. ccc 0 08 as ss oe Deh oases a oe 30 
Minutes of the Thirty-sixth Annual Meeting........................ 32 
Program of the Thirty-sixth Annual Meeting....................... 39 
Memorial of Ulysses Orange Cox—Barton W. Evermann............. 45 
Biological Laws and Social Progress—H. L. Bruner.................. 51 
Health Service at Purdue University—O. P. Terry................... 59 
Some Guesses by an Ignoramus—Robert W. McBride................ 65 
Report of a Study of Mental Ability of Children in One Orphans’ Home 
feeneiata—Arthurwe. Histabrook . 0... . 20% ce enor sg hen oetieee. 69 
Tests of the Emotions—Sidney L. Pressey.....................00000. 71 
Undergraduate Research in Our Colleges and Universities—Horace A. 
SLOWED) ib ey Abe daeeing Ns ISR AN rg 8 UT As a RA re 
State Archaeological Survey; National Research Council; Division of 
FAMLMPOPOLO ey andy ESVeNOlOSy.\0 emetic ou cs coo <s UR miele RA Bee Sine 79 
AMiistline| Swans—Htta, Se Wilson: 2050. tsb co. 6. Ue el oy cece ee te ee 83 
Notes on the Termites of Indiana—Harry F. Dietz.................. 87 
The Fresh-Water Medusae of Boss Lake, Elkhart, Indiana—F. Payne.. 97 
Notes on Indiana Dragonflies—E. B. Williamson.................... 99 
The Anatine Genus Nyroea and Its Nearest Allies—Harry C. Oberholser 105 
Some Observations on the Pythons—W. Henry Sheak................ 115 
Mallophaga of Our Native Birds—Edwin J. Kohl.................... 119 
Some Rare Indiana Birds—Amos W. Butler...:.................... 135 
The Effect of Adrenin on the Pigment Migration in the Melanophores 
of the Skin and in the Pigment Cells of the Retina of the Frog— 
STATO WROAEILTUC VRORMRN ea creel tac EN ck ee Acasa RE Ee te Cee es 141 
The Effect of Centrifugal Force on Plants—F. M. Andrews........... 143 
The Effect of Aeration on Plants—F. M. Andrews................... 149 
Phyllotaxis of Specularia perfoliata—F. M. Andrews................. 149 
An Improved Method for Regulating the Thickness of Microtome 
SECUIONS = Wm AMOLOWSH oor diike alte aya nord haan ethan eune « 151 
Suudies:on, Pollen; 1WI—hs M. Andrews... 0.0.2... 6 ieee bean e ts 155 
The Ustilaginales of Indiana, II—H. S. Jackson.................000- 157 
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