Lindsley & Grell, 1972, p. 260
discoverer: Bridges, 25122.
phenotype: Vibrissae form tufts of bristles beneath eyes. Overlaps wild type. RK2.
color figure: P. A. Otto (original)
b & w figure: Bridges and Brehme, 1944, Carnegie Inst. Wash. Publ. No. 552: 212 (original drawn by Edith M. Wallace)