89 (90). Brown or black shore flies with flat horny thorax and with strong mouth hairs.
Part of Phycodromidæ, XXXV
90 (89). Otherwise than 89.
91 (94). O, 51 and O, 61 very small and indistinct.
92 (93). Only one fronto-orbital bristle on each side; tibiæ all without the præ-apical bristle.
Lonchæidæ, XLIII
93 (92). A, III (5) on each side; the præ-apical E on some of the C, I (4).
Sapromyzidæ, XLIV
94 (91). O, 51 and O, 61 fairly large and quite distinct.
95 (96). Hind tibiæ with a præ-apical bristle.