ILLUSTRATIONS. 
PLATES. 
Page. 
Plates I-VIII. Aleurodidas 50, 52, 54, 56, 58, 60, 62, 64 
TEXT FIGURES. 
Fig. 1. Tetranychus bimacidatus 65 
2. Tetranychus: mandibular plate 67 
3. Tetranychus: cephalothorax from above 67 
4. Tetranychus: mouth parts 68 
5. Tetranychus: genital organs 69 
6. Tetranychus: leg 69 
7. Tetranychus mytUaspidis: claws 71 
8. Tetranychus bicolor: claws 72 
9. Tetranychus tumidus: palpus 73 
10. Tetranychus bbnamlatus: palpus 74 
11. Tetranychus biviaculalus: claws 74 
12. Tetranychus telarius: palpus and plate 75 
13. Tetranychus sexmaculatus: palpus 75 
14. Tetranychus desertorum: palpus and plate 76 
15. Tetranychus gloveri: palpus and plate 76 
16. Stigmwus Jloridanus 77 
