(191) 
DESCEIPTION OF PLATES. 
PLATE XVI. 
(Figs. 1-7.) 
All figures slightly enlarged. 
1. Antonina transvaalensis sp. n. Cluster of ovisacs on crown of grass, la, Single 
specimen, flattened form, with insect exposed. 
2. Natalensia fulleri g. and sp. n. Gall of adult ? on root of grass. 
3. Pseudococcus hurnerae sp. n. ? ? with ovisacs on granadilla. 
4. Pseudococcus virgatus (Ckll.) on orange-leaf. 
5. Tylococcus chrysocomae sp. n. Completed ovisacs. 
6. Pseudococcus fiagrans sp. n. Adult ? in waxy secretion on grass stem. 
7. Pseudococcus nitidus sp. n. Completed ovisac. 
PLATE XVIL 
(Figs. 8-lld.) 
All figures except 11 enlarged according to scale. 
8. Antonina natalensis sp. n. Antenna of adult ? . 
9. Antonina tranwaalensis sp. n. Antenna of adult ? . 9a, Spiracle of ? ; 9?>, antenna, 
and 9c, caudal extremity of larva. 
10. Rhizoecus africanus sp. n. Anal extremity of adult ? . 10a, " Eye-like cicatrice" of 
? ; 10&, dermal characters of venter ; 10c, dermal characters of dorsum ; 10(?, 
antenna of adult ? ; 10<?, tibia and tarsus III. of ? . 
.11. Natalensia fulleri sp. n. Camera lucida sketch after boiling in KOH. 11a, Antenna of 
adult ? ; lib, part of caudal extremity of larva ; 11c, tibia and tarsus II. of adult ? ; 
lid, mentum of adult ? . 
PLATE XVIII. 
(Figs. 12-21.) 
All figures magnified according to scale. 
12. Tylococcus chrysocomae sp. n. Antenna of adult ? (7-jointed form). 12a, Marginal 
tubercle, and 12b, caudal tubercle of adult 2 ; 12c, normal tarsus III. of ? , and 12d, 
abnormal leg III, of same insect ; 12c, antenna, and 12/, caudal extremity of larva. 
