Figures 94–98 in Observations on Antennal Morphology in Diptera, with Particular Reference to the Articular Surfaces between Segments 2 and 3 in the Cyclorrhapha

Figures 94–98. Antennae of Neurochaetidae and Periscelididae. (94) Nothoasteia clausa McAlpine, left seg. 2, distal view, seg. 3 removed. (95) The same, annular ridge of seg. 2 and associated structures. (96) The same, left seg. 3, medial view. (97) Neurochaeta inversa McAlpine, left seg. 3, medial view. (98) Periscelis fasciata Mathis, the same. ar, annular ridge; bf, basal foramen; bs, basal stem; bu, pedicellar button; ca, caestus; d, disc of seg. 3; fc, foraminal cusp; fr, foraminal ring; pp, postpedicellar pouch; r, dorsal lobes of rim; sc, sacculus; st, scabrous tongue.