Lindsley & Grell, 1972, p. 228
discoverer: Bridges, 12k27.
references: Bridges and Morgan, 1919, Carnegie Inst. Wash. Publ. No. 278: 222 (fig.).
phenotype: Dark streak extends down middle of thorax from neck to tip of scutellum. Wings may diverge and droop. Overlaps wild type. Enhanced by b or es. Homozygous lethal. RK2.
cytology: Salivary chromosomes apparently normal (Bridges).
color figure: P. A. Otto (original)
b & w figure: Bridges and Morgan, 1919, Carnegie Inst. Wash. Publ. No. 278: 216 (original drawn by Edith M. Wallace)