Figures 161–168 in Observations on Antennal Morphology in Diptera, with Particular Reference to the Articular Surfaces between Segments 2 and 3 in the Cyclorrhapha

Figures 161–168. Antennae of Calyptratae. (161) Musca vetustissima Walker (fam. Muscidae), female, left seg. 2, distal view. (162) The same, dorsal recess of right seg. 2. (163) Australofannia sp. (fam. Fanniidae), female, left seg. 2, distodorsal view. (164) Amenia chrysame (Walker) (fam. Calliphoridae), female, left seg. 2, distodorsal view. (165) Axinia lucaris Colless (fam. Axiniidae or Rhinophoridae), male, left seg. 2, dorsal view. (166) Glossina sp. (fam. Glossinidae), male, part of recess of left seg. 2. (167) The same, right antenna, medial view. (168) The same, part of right antenna, lateral view, showing base of arista. a4, a6, antennal segments 4 and 6 (arista); ar, annular ridge; bu, pedicellar button; c, conus; fc, foraminal cusp; pc, pedicellar cleft; sc, opening of sacculus; ss, secondary sacculus.