EDWARD SAUNDERS.

St. Ann's, Woking.


CONTENTS

PAGE
The Subject in General, [1]
The Solitary Groups, [6]
The Solitary Bees, [9]
The Cuckoo Bees, [14]
The Fossors, or Diggers, [18]
The Solitary Wasps, [24]
The Social Groups, [28]
The Ants, [31]
The Social Wasps, [35]
The Humble Bees, [39]
The Bees With Bifid Tongues, [44]
The Bees with Pointed Tongues, [48]
Leaf-Cutting Bees, [52]
Osmia and Its Habits, [55]
A Colony of Anthophora, [61]
Bees and Pollen-Collecting, [65]
On Bees' Tongues, and how They suck Honey, [72]
A Dreadful Parasite, [77]
Amongst the Bees at Work, [81]
Ants, their Guests, and their Lodgers, [88]
How can an "Aculeate" be Recognized?, [92]
Males and Females, [95]
The Vagaries of Colour and Structure in the Sexes, [100]
The Distribution, Rarity, or Abundance of Various Species, [105]
On Bees' Wings, [110]
On Breeding Aculeates, etc., [113]
On Colour, [119]
The Development of Insects from the Egg, [124]
On Structure, [132]
Index, [141]

LIST OF ILLUSTRATIONS IN THE TEXT

PAGE
Fig. 1. Bombus, larva and nymph: after Packard [11]
,, 2. Ammophila [22]
,, 3-4. Spines on the tarsi of female Ammophila [23]
,, 5. Tubular entrance to hole of wasp [25]
,, 6. Basal segments of ants [33]
,, 7. Rose-leaf partially eaten by bees [52]
,, 8. Tufted hairs of hind leg of Andrena [67]
,, 9. Corbicula of humble bee [67]
,, 10-12. Cleaning apparatus of bees [69]
,, 13-18. Hairs of bees, magnified [71]
,, 19. Tongues of bees, magnified [73]
,, 20. Diagram of tongue of bee [75]
,, 21. Stylops [77]
,, 22. Stylops larva in abdominal cavity of bee [78]
,, 23. Antennæ of "Keyhole" wasps [101]
,, 24. Legs of male "Keyhole" wasps [101]
,, 25. Tibia of male Crabro cribrarius [103]
,, 26. Antennæ of male Crabro cribrarius [103]
,, 27. Head of male and female Crabro clypeatus [103]
,, 28. Parts of the insect [133]