INDEX 



Crossing-over, 104, 



(105), (144) 

 Crossover percentage, 



(105), 109, 110, 



(144) 



formulas, 113, 117, 

 118 

 Crumpled, cp, 51, (52) 

 Culture, 12-21 

 CUSHMAN, 1, 2, 3 

 Cut, ct, 45, (52), 



(105), (144) 

 Cuticle, 9 

 Cytological studies, 77 



Dahlia, o^, 24 



mimicry of, 29, 30 

 Data, experimental, 69- 



73 



linkage, (72) 



master sheet, (71) , 

 (72), 73 



recording of, 69-73 

 Defective, d, 39 

 Deficiency, de, 54 

 Deletion, 133, 134 

 Determination of sex, 



91-102 

 Development of wasp, 



14-15 

 Diakinesis and X-radi^ 



ation, 130 



Differential, matura- 

 tion, 94 



viability, 114, 116, 

 117 



Diploid males, 4, 9, 

 75, 77, 79 

 cell size, 79, 80 

 in orange series, 23 

 microchaetae, 79 

 sex linkage. 111 

 sex determination, 



92, 93 

 temperature, 128 



Dominant lethal ef- 

 fects, 130, 134 



Dominant lethals and 

 X-radiation, (145) 



DOTEN, 2 



Double recessives, 30 



Droopy, dr, 48, (105) 



Drosophila, 1, 19, 100 



DUNNING, 30, 31 



Dwindling, dw, 59 



DZIERZON, 91 



E 



Eclosion, 17, 21 

 Eggs, bad, 135 

 Elongate, eg, 51, 52, 



(105), (144) 

 Environmental effects, 



121-138, 140 

 Enzymes, 123, 124, 



(125) 



19S 



