THE SCIENTIFIC ARRANGEMENT AND DESCRIPTION OF THE GENERA, WITH LISTS OF OUR NATIVE SPECIES, AND AN ACCOUNT OF THE HABITS AND ECONOMY OF THE INSECTS, WITH INCIDENTAL OBSERVATIONS SUGGESTED BY THE SUBJECT[184]
ANDRENIDÆ (SUBNORMAL BEES)[185]
GEN. 1. COLLETES[185]
GEN. 2. PROSOPIS[191]
GEN. 3. SPHECODES[196]
GEN. 4. ANDRENA[200]
GEN. 5. CILISSA[211]
GEN. 6. HALICTUS[214]
GEN. 7. MACROPIS[220]
GEN. 8. DASYPODA[224]
APIDÆ (NORMAL BEES)[227]
SCOPULIPEDES (BRUSH-LEGGED BEES)[227]
GEN. 9. PANURGUS[227]
GEN. 10. EUCERA[231]
GEN. 11. ANTHOPHORA[236]
GEN. 12. SAROPODA[242]
GEN. 13. CERATINA[245]
NUDIPEDES (CUCKOO-BEES)[249]
GEN. 14. NOMADA[249]
GEN. 15. MELECTA[255]
GEN. 16. EPEOLUS[258]
GEN 17. STELIS[262]
GEN. 18. CŒLIOXYS[265]
DASYGASTERS (ARTISAN BEES)[269]
GEN. 19. MEGACHILE[269]
GEN. 20. ANTHIDIUM[279]
GEN. 21. CHELOSTOMA[283]
GEN. 22. HERIADES[288]
GEN. 23. ANTHOCOPA[290]
GEN. 24. OSMIA[294]
CENOBITES (SOCIAL BEES)[302]
GEN. 25. APATHUS[302]
GEN. 26. BOMBUS[307]
GEN. 27. APIS[318]
INDEX[363]

LIST OF PLATES.

NOTE.—♂ signifies male; ♀, female; ⚲, neuter.

[Plate I.]

1. Colletes Daviesiana, ♂ ♀.

2 ♂. Prosopis dilatata.

2 ♀. Prosopis signata.

3. Sphecodes gibbus, ♂ ♀.