LIST OF ILLUSTRATIONS 

 PLATES 



Page 



I. Appendages of Trilobites 98 



II. Skull and teeth of Arvicola terrsenovse 132 



TEXT FIGURES 



Figure 1. Modifications of the hind legs of different Bees 13 



2. Modifications of the hind legs of different Bees 15 



3. Wax Discs of Social Bees 16 



4. Architecture of Bees 17 



5. Architecture of Bees 18 



6. Development of Formica rufa 27 



7. Honey Ants (Myrmecocistus mexicanus) 28 



8. Sensory Organs in Insects 37 



9. Sensory Organs in Insects 40 



10. Some Antenme of Coleoptera 41 



11. Antenna of male Phengodes with portion of ray 42 



12. Some Antennae of Insects. . 44 



