The book is available at Hathi Trust (I have not checked for other online sources).
I. The Beginning of All Things
II. The Golden Age
III. Prometheus and Epimetheus
IV Deucalion and Pyrrha
V. The Rape of Persephone
VI. Marpessa
VII. Artemis
VIII. The Giants Otus and Ephialtes
IX. Endymion
X. Io
XI. Danaus and Aegyptus
XII. Phaethon
XIII. Salmoneus and Sisyphus
XIV. Bellerophon
XV. Daedalus and Icarus
XVI. Europa and Cadmus
XVII. Thebes
XVIII. Semele
XIX. Dionysus
XX. Melampus and Bias
XXI. Tantalus. Pelops
XXII. Niobe
XXIII. Meleager and Atalanta
XXIV. Admetus and Alcestis
XXV. Perseus
XX.VI. Heracles
1. The War with the Teleboae
2. The Birth and Youth of Heracles
3. The Madness of Heracles, and his First Six Labours
4. The Last Six Labours
5. The Murder of Iphitus and the Vengeances of Heracles
6. The Marriage of Heracles with Deianira, and his Death
XXVII. The Quest of the Argonauts:
1. The Golden Fleece
2. The Journey to Colchis
3. The Fight for the Golden Fleece
4. The Journey Home
5. Medea's Revenge
XXVIII. Theseus
XXIX. Oedipus
XXX. The Seven against Thebes
XXXI. The Epigoni
XXXII. Eros and Psyche
