pecies. By FRANCIS WALKER,
Esq., F.L.S.

[Read Feb. 17, 1859.]

Fam. URANIIDAE, _Westwood_.

Gen. NYCTALEMON, _Dalman_.

1. Nyctalemon Hector, _White, Walk. Cat. Lep. Het._ vii. 1771.

Inhabits also Borneo.

Fam. AGARISTIDAE, _Swainson_.

Gen. EUSEMIA, _Dalman_.

2. Eusemia maculatrix, _Westwood, Cat. Orient. Ent._ 67, pl. 33. f. 1.

Inhabits also Hindostan and Java.

3. Eusemia mollis, _Walk. Cat. Lep. Het._ vii. 1774.

Inhabits also Hindostan.

Fam. ZYGAENIDAE, _Leach_.

Gen. SYNTOMIS, _Illiger_.

4. SYNTOMIS ANNOSA, n. s. _Foem._ Cinereo-fusca; capite, antennis apice,
humeris abdominisque maculis lateralibus albis; alis maculis quatuor
vitreis.

_Female._ Cinereous brown. Head white. Antennae serrated, white towards
the tips. Thorax with a large white spot on each side in front. Abdomen
somewhat compressed towards the base, with white spots along each side.
Wings long, with the discal areolets from the base to beyond the middle
mostly vitreous, but having the veins bordered with brown. Length of the
body 9 lines; of the wings 22 lines.

5. SYNTOMIS CHLOROLEUCA, n. s. _Foem._ Nigro-viridis; fronte, antennis
apice, humeris abdominisque fasciis duabus dorsalibus fasciisque
ventralibus albis; alis purpureo-nigris, anticis maculis quatuor
vitreis, posticis macula una vitrea.

_Female._ Blackish-green. Front, antennae towards the tips, and two
humeral spots white. Antennae simple. Abdomen with a white band at the
base, and with another on the fifth segment, and with white ventral
bands. Wings purplish-black; fore wings with four vitreous spots; the
fore one of the interior pair not one-third of the size of the hind one,
which is very long; the fore one of the exterior pair much narrower than
the hind one, and accompanied at its inner end by an elongated vitreous
point; hind wings with an elongated vitreous spot. Length of the body
4-1/2 lines; of the wings 12 lines.

6. SYNTOMIS XANTHOMELA, n. s. _Mas._ Nigra; fronte, thoracis margine
antico abdominisque fasciis ochraceis; antennis apice albis, abdominis
fasciculo pallide cinereo; alis anticis maculis quinque vitreis,
posticis maculis duabus vitreis.

_Male._ Black. Front, fore borders of the thorax and hind borders of the
abdominal segments ochraceous; dorsal tuft pale cinereous, rather large.
Antennae simple, white towards the tips. Fore wings with five vitreous
spots, of which the basal one is small and round, and the other four
large an