The Influence Of Light And Temperature On Certain Characters Of The Silkworm, Bombyx Mori

RESULTS I. Product ion of Dark-and Light. ~oIored Eggs 1. Stages to be influenced by light and temperature A. Incubation period B. Larval period C. Pupal period 2. Relat ion between lig ht and temperatu re in prod ucing moths layi ng dark colored eggs A. Effects of li ght intensity at. (ji fferent temper atures B. Effects of differ ent wave -lengths of light at different tempera tures C. Effects of the length of day at di fferen t temperatures 3. Effect's of e nvironme ntal cond itions upon the prod uct ion of mixed batches A. Effects of lig ht and t emper3t ure duri ng the incub3ti on period B. Effects of light and t empera ture during the pupal period C. Different features of the initia l and fhal depO!. its in mixed batches with reference to temperature during the pup: 1l period 4. Color grades of dark and light -colored eggs A. Effects of temperature upon (he color variation of dark -colored eggs B. Effects of temperature up: : >n t he color variation of light -colored eggs II. Hibern ation of Dark-and Light-colored Eggs 1. Production of non hibernat ing eggs out of t he dark -colored A. Effect s of ligh t and temperature during incub<l: tion Mak ita K OGl: R E B. Effects of temperat ure during the pup31 period C. Effects of temperature a ft er the time of egg laying 2. Production of hibernating eggs out of the light-colored A. Effects of temperature durin~ the pupal period R Effc2tS of temperature after the tim e of egg laying Ill. General Consideration on Hibernation and Egg Color in the Silk\\"orm Eggs 1. Problem of hibernation 2. On the fi rst hibernation substance 3. On the second hibernation substance 4. Interrelation be tweca t he grades of egg color a: 1d hibernation of eggs 5. Cha r acte ris tics of the three types of volti nism SUM MARY OF PART I PART II. nWLUENCE ON THE NC MBER OF MOLTS HISTORICAL RE VIEW MATERIALS AND METHODS EXPERIMEI RES ULTS 1. Occurrence of the three-molter as in fluenced by light and temperature during tlte incubation period A. Effects of light B. Effects of te mperature C. Concurrent and antagonistic action of light and temperature during the incubation period 2. Occurrence of the three molter as influenced by light and temperature during t he larval period A. Effects of ligh t B, Effects of te m per ature C. Conc urrent a nd an tagonistic act ion of lig ht and tem perat ure du ro ing t he l a r \"~l period 3. Sex ratio of the th ree molters 4. RacLll difference of ra tes of (h~ appe: uance of the three molter ON T HE CACSE OF T HE MOLTING SUMMARY OF PART II IlIBLlOGRAP llY For Part I For Part II