454 Transactions. 
H. littoralis n. sp. i 
. Eyes dichoptic, еше. at antennae; front brownish-black, 
with cinereous reflections and a w of delicate bristles on each side; 
ocellar triangle brownish-black, iti pair of strong ocellar bristles. Face 
short and cinereous. Antennae (fig. 44) large, black with silvery reflection, 
third joint glavate with short style. Prokoecis a little longer than head- 
height, directed downwards, blackish-brown ; palpi short and black, but 
brownish basally. Occiput cinereous and bristly (fig. 45). 
Thorax blackish-brown in ground-colour, pleurae cinereous to silvery; 
pteropleurae with transverse row of delicate grey bristles; dorsum (when 
viewed with light falling from in front) narrowly margined on each side 
a large reddish-brown area with a pair of indistinct ‘darker stripes more 
conspicuous anteriorly behind head, where the reddish-brown merges into 
a éinereous reflection (fig. 46) ; the whole surface distinctly bristly, among 
which is a system of chaetae as in fig. 46. Metanotum cinereous. 
Wings not coloured, veins tawny; Sc ending in costa; anal angle 
prominent. Halteres bro 
Legs brown, tarsi bleak: "bristly ; ; anterior protarsi somewhat enlarged. 
Abdomen bristly ; ; bisok with cinereous reflections. Genitalia more 
or less almond-shaped when viewed from above; in profile (fig. 4T) 
lying forward over a: surface of apical abdominal segments. j 
3. Length, 3-75 m 
pena No. 1165 , D.M. ; 
-Occurring in large numbers on sandy sea-beach at the mouth 
of the взе Hokio Stream. | 
H. vector n. sp. 
d. Eyes as in H. flavineeris ; ; ocellar triangle black with brownish- 
grey tomentum ; the pair of ocellar bristles easily dieting from the 
smaller posterior series; ocelli amber-yellow ; front black with grey 
tomentum and row of а bristles along orbits. First and second 
осо 
Fics. 38-41.—Brachystoma hamiltoni n. sp. 
38. Antenna. 
i Dorsum of thorax, showing chaetotaxy. 
in 
41. Genitalia, t 
Frcs. 42, 43.—Hilara flavinceris n. sp. 
42. Occiput, 4 , showing chaetotaxy. 
43. Dorsum of thorax, showing chaetotaxy. 
ee ree 44-47.—Hilara littoralis n. sp. 
45. Oceiput, s showing chae 
46. Dorsum а thorax, sh ‘ 
47. Genitalia, ts ine Ceu. -pattern and. chaetotaxy. 
Fies. 48, 49.— Hilara vector n. sp. 
48. Occiput, A showing chaetotaxy. 
49. Dorsum of thorax, ¢, showing chaetotaxy. 
Fra. 50.—Hilaria dracophylli n. sp.: dorsum of thorax, ¢ , showing —— 
Fies. 51-53. Sekata fumosa. 
"s Occiput, 3 , showing chae 
ficte m of tho 
orax, 
4, showing Жы. 
