COLLECTED AT SINGAPORE AND MALACCA. 
27 
for min g a gentle curve at its flexure which, is very near the border, straight 
from thence to its tip j discal transverse vein almost straight, parted by 
about half its length from the border, and by a little more than its length 
from the flexure of the pnebrachial vein. Alulse whitish. Length of the 
body 3 lines j of the wings 6 lines. 
Mount Ophir. 
91. Musca affixa, n. s. (genus Morellia, Desv.), mas. Obscurb nigra, 
capite antieo albo, thoracis vittis tribus latis albidis, abdomine subtessellato, 
alis subcinereis. 
Male. Dull black. Head white in front. Thorax with three broad whitish 
stripes. Abdomen slightly tessellated. Wings greyish ; veins black ; prre- 
bracliial vein fonning a gentle curve at its flexure which is very near the 
border, nearly straight from its flexure to its tip ; discal transverse vein 
hardly undulating, parted by less than half its length from the border, and 
by little less than its length from the flexure of the prrcbrachial vein. 
Alula; grey. Length of the body 4 lines ; of the wings 7 lines. 
Mount Ophir. 
Subfam. Anthomyides, Walk. 
Gen. Aricia, Macq. 
92. Akicia argentata, n. s., mas. Cana, capite argenteo, palpis antennis 
pedibusque nigris, thoracis vittis duabus nigricantibus, scutelli apice testa- 
ceo, abdominis maculis quatuor nigris dorsahbus basi testaceo, femoribus 
testaceis, alis subcinereis. 
Male. Hoary. Head silvery-white. Proboscis, palpi, antennae and legs 
black. Thorax with two blackish stripes. Seutellum towards the tip and 
femora testaceous. Abdomen with four black dorsal spots, testaceous 
towards the base. Wings and alulae slightly greyish ; veins black, testa- 
ceous towards the base ; cubital and prtebrachial veins slightly diverging 
for about two-thirds of their length from the prsebraohial transverse vein, 
very slightly converging from thence to the border ; discal transverse vein 
oblique, slightly curved inward along its hind half, parted by a little more 
than its length from the prtebrachial transverse, and by much less than its 
length from the border. Length of the body 3£ lines ; of the wings 6 lines. 
Malacca. 
Gen. Hydrotaa, Macq. 
93. Hydrotjsa solenkis, n. s., mas. Nigra, eapite cano, thorace subci- 
nereo nigro-trivittato, abdomine longi-obeonico, tibiis feiTUgineis, alis sub- 
cinereis. 
Male. Black. Head hoary in front. Thorax slightly cinereous, with three 
black stripes. Abdomen elongate-obconical. Tibia; ferruginous. Wings 
slightly greyish ; veins black, testaceous at the base ; cubital and prsebra- 
chial veins slightly diverging for nearly two-thirds of their length from the 
prtebrachial transverse vein, very slightly converging from thence to the 
border ; discal transverse vein oblique, curved inward in the middle, parted 
by about its length from the prsebrachial transverse and by little more than 
