Unknown (page 13)

Mahliqa, Daughter of the Emperor of China, Pointing at the Bird-Man Khwaja Mubarak…, c. 171 Unknown

Forest in winter Anonymous

Hippolyte Fizeau, French physicist, 1870 Unknown

Dusk Alfred Stevens

Untitled, c. 1879 Unknown

Robots with a telescope on an UFO Anonymous

Page 18. Unidentified fish.19. Unidentified fish Unknown artist

Page 7. Unidentified fish. 8. Unidentified fish Unknown artist

Purgatory, 1400s Unknown

The Sleepwalker (Somnambulist) making discoveries Unknown

Vase. Egypt, Pre-dynastic Unknown

Untitled Unknown

Japanese Shadow Annette Fournet

Human skull Anonymous

Solar Eclipse With "Diamond Ring" Feature Anonymous

Bird School American

Pyramid of the Magician at Night Anonymous

Landscape, 1800s Unknown

Portrait Of Grand Duke Alexander Pavlovich Of Russia As Baby, 1770s Unknown artist

Page 76. Hirundo Unknown artist

Page 81. Wunga, Wungee Pigeon. Unknown artist

Unidentified landscape Unknown

Page 71. Unidentified bird. Pipra new Allied to Cinereous M. Unknown artist

Flowering Lotus and Bud, 18th Century Unknown

Measuring the distance of an inaccessible object by triangulation using a hinged staff, 1617-1619 Unknown

Page 12. Ocypterus Unknown artist

Interior of the tomb chamber of the Taj Mahal Unknown

Mrs. George Pine, 1835 Unknown

Unidentified landscape Unknown

The Claddagh Unknown

Lady after a Bath, 1700s Unknown

Dr John Jeffries, American balloonist, 1786 Unknown

James Prescott Joule, English physicist, 1876 Unknown

Page 94. Unidentified birds Unknown artist

Manx landscape Unknown

Douglas Bay Unknown