70 (75). Squamæ distinctly present though sometimes small.

MUSCIDÆ CALYPTERÆ—

71 (74). V, 4 angled or bent towards V, 3 (plate V, 24-29).

72 (73). D with E (macrochætæ and hairs) on middle segments; otherwise A, IV, 6 is bare or bare on the tip-half (plate III, 49-50).

Tachinidæ, XXXI

73 (72). D without macrochætæ though often with rather strong hairs; A, IV, 6 fully plumed or combed (plate III, 51).

Muscidæ, XXXII

74 (71). V, 4 going straight or nearly straight to margin (plate V, 30).

Anthomyidæ, XXXIII

75 (70). Squamæ absent or rudimentary.