Lindsley & Grell, 1972, p. 208
location: 3-37 (based on location of rt2).
discoverer: Bridges, 18g28.
references: Bridges and Morgan, 1923, Carnegie Inst. Wash. Publ. No. 327: 190 (fig.). Morgan, Bridges, and Sturtevant, 1925, Bibliog. Genet. 2: 54 (fig.).
phenotype: Abdomen twisted clockwise through 60o to 90o, as viewed from behind. Both sexes sterile. Viability low. RK2.
color figure: P. A. Otto (original)
b & w figure: Morgan, Bridges and Sturtevant, 1925, The Genetics of Drosophila, Bibliog. Genet. 2: 1-262 (original drawn by Edith M. Wallace)