22 AUSTRALASIAN ANTARCTIC EXPEDITION. 
or sixth, ocellus is smaller and less conspicuous than the fifth, and lies directly below 
the fourth dorsal. Sete are present in the ocellar region, as shown in T'ext-fig. 14. 
Fig. 14.—Region of antenna and ocelli of left side of : 
head of caterpillar shown in Text-fig. 13. ant, Fig. 15,—Proleg of sixth abdominal segment of cater- 
Antenna, ilar, shown in Text-fig. 13. (x 104, 
1, 2, 3, 4the four ocelli of the dorsal group; 5, 6— Dt AAR wag ek eka ( 
the two ocelli of the ventral group. (x 36.) 
Spiracles normal, the prothoracic and that of abdominal seg. 8, the largest, the 
former distinctly oval. 
Phoracie Legs and Abdominal Prolegs both normally formed, the latter some- 
what short and stout. The armature of the prolegs consists of a complete circlet of 
hooks of three sizes, as shown in Text-fig. 15. The bases of all the hooks lie on the 
one circumference, so that the circlet is wniserial. The largest hooks are separated 
from one another by hooks of medium size alternating with them, while the smallest 
hooks are intercalated between all those of the two larger sizes. The circlet is most 
complete on the part furthest from the middle line of the abdomen; towards the middle 
pe 
Fig. 16.—Chatotaxy of prothorax (a) and mesothorax (0) of the caterpillar shown in Text-fig, 13, sp. Prothoracic spirale. 
The Greek letters indicate the set, the nomenclature being that of Fracker. The large prothoracic shield and the pinacula 
carrying the setw are shaded. The legs are omitted except only the coxm, » (x 30.) 
