LIX 143. Braulidæ: eyeless and with strangely atrophied body appendages; found in bee-hives.

LX 145. Nycteribidæ: wingless parasites on bats; with small heads held in a curious posture.

ANALYTICAL TABLE OF FAMILIES

Order—Diptera

1 (141). Insects with the head distinct from the thorax, with one pair of wings, one pair of halteres, 5-jointed tarsi, proboscis not spirally coiled; with a well defined pupal stage intermediate between the larval stage and the perfect insect.

1-1/2 (52-1/2). Frontal lunule absent.

Sub-order I. ORTHORRHAPHA (comprising 25 families); flies with "mummy-pupæ," see plate VI, figs. 38 and 39.

2 (25). Antennæ many-jointed (plate II).

NEMATOCERA (thread-horns)—