Royal Society (page 61)

Dugong sternum William Clift

Dugong skull and tusks William Home Clift

Dugong skull and tusk William Home Clift

Dugong sexual organs William Clift

Dugong respiratory system William Clift

Dugong pelvic bones William Clift

Dugong heart William Clift

Dugong caecum William Clift

Drawings of parabolas John Frederick William Herschel

Dragon firework display Anonymous

Donati's Comet, 2 October 1858 James W Watts

Donati's Comet, 10 October 1858 James W Watts

Domestic animals T Cole

Doctor fish Edmond Halley

Diving bell used for salvage operations on the wreck of H.M.S.Thetis John Frederick Fitzgerald De Roos

Dissection of an arm on which the operation for the Aneurism had been performed unknown

Dissected thorax of a porpoise Antoine Toussaint de Chazal

Dissected thorax of a porpoise Antoine Toussaint de Chazal

Dissected thorax and skull of a porpoise Antoine Toussaint de Chazal

Dissected head of a porpoise Antoine Toussaint de Chazal

Diagrams of the zodiacal light in relation to the Earth's orbit Charles Piazzi Smyth

Diagrams of the zodiacal light as seen in spring Charles Piazzi Smyth

Diagrams of the zodiacal light as seen in autumn Charles Piazzi Smyth

Developmental stages of chicken embryo Marcello Malpighi

Details of the anatomy of the head and neck Goett

Design sketch for the Great Melbourne Telescope James Nasmyth

Design for a diving bell Granville Sharp

Deputation to Faraday Edward Armitage

Depiction of Urania, Astronomia and Ptolemy Anonymous

Depiction of a dialogue between a theologian and an astronomer Anonymous

Deer, sheep and goat placenta details William Clift

Davy lamp Humphry Davy

Davy lamp Humphry Davy

Date inscription on a gateway in Worcester John Cope

Darnel and flote grass Richard Waller

Cuthbertson's electrometer Barend de Backer