The Sex Attraction and Rhythmic Periodicity in the 
Giant Saturniid Moths 
Phil Rau and Nellie Rau 
CONTENTS 
Part I. 
Mumerustion 
emoreal Resumé. es 
fee Voptial Viight ee 
Experiments on Samia Cecropidrriccccooe coe 00 wee soon 
Experiments on Platysamia cynthide.o....--0-0---- 
Experiments on Telea polyphemus.....-. 000 
Experiments on Callosamia promethed......0.000---—— 
Part II. 
Experimental Studies on Odor, Wind and Light in rela- 
tion to Rhythmic Periodicity in Saturniid Moths. 
inboduction-... ee 
Experiments to Test Perception of Odor (Cecropia)..... 
Electrie Fan Experiments... rn 
Experiments to Test Reaction to Light... 
Activity in a Dark Boor nccccc ccc cee 
Relation of Movement of Male Cecropias and Poly- 
Phemus to Moonlight... ----_-0 nn 
Thermotropism ... Seeger = Se 
Normal keane = es 
Rhythmie Periodicity of Platysamia ODS, 
Experiments on Cecropia and Polyphemus in Relation 
@ light 
The Light of Dawn... 
Final § Summary 
Discussion of Rhythmic ‘Periotielig. BORE oO 
