Lindsley & Grell, 1972, p. 65
location: 2-31.0.
origin: Spontaneous.
discoverer: Morgan and Bridges, l2k22.
references: Bridges and Morgan, 1919, Carnegie Inst. Wash. Publ. No. 278: 216 (fig.). Morgan, Bridges, and Sturtevant, 1925, Bibliog. Genet. 2: 212 (fig.), 223.
phenotype: Tarsi four jointed instead of five jointed. Legs short and held close to body. Leg effects enhanced by ssa and ssaB (Villee, 1945, Genetics 30: 26-27). Wings smaller than wild type, narrowed, with L2 and L3 joined near anterior crossvein; distance between crossveins smaller and crossveins sometimes absent. Angle between L2 and L5 greater than normal. Eyes small and rough. Posterior scutellar bristles erect. Viability erratic. Frequently sterile. 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)