Images Dated 17th April 2013 (page 40)

Rissa tridactyla, black-legged kittiwake
Plate 224 from John James Audubons Birds of America, original double elephant folio (1834-35), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Shale
A specimen of shale containing small nodules of clay ironstone from the Lower Coal Measures, Brynamman, Carmarthenshire

Bornite
A specimen of the mineral Bornite. This specimen is from the collections held at the Natural History Museum, London

Jet ornament is similar to amber in texture and to coal in appearance. Jet is fossilised timber of a variety of Araucaria - similar to todays monkey puzzle trees

Empidonax virescens, acadian flycatcher
Plate 144 from John James Audubons Birds of America, original double elephant folio (1831-34), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Sialia sialis, eastern bluebird

Alca torda, razorbill
Plate 214 from John James Audubons Birds of America, original double elephant folio (1834-35), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Sauropod skin impression
Dinosaurs belonging to the suborder of Sauropods (Sauropoda) like diplodocus had a relatively smooth skin covered in scales of different sizes

Count Georges Louis Leclerc de Buffon (1707-1788)
Portrait of Count Georges Louis Leclerc de Buffon, the author of Historie Naturelle, a 44 volume encyclopedia describing everything known about the natural world, published c. 1770

Colias hyale, pale clouded yellow butterfly
Mounted specimens of the pale clouded yellow butterfly, family Pieridae from the collections of the Natural History Museum, London

Columbina passerina, common ground dove
Plate 182 from John James Audubons Birds of America, original double elephant folio (1831-34), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Descloizite is comprised of (lead zinc vanadate hydroxide) and is characterized by platy crystals with a rounded triangualr shape. Specimen from the Natural History Museum, London

Podilymbus podiceps, pied-billed grebe
Plate 248 from John James Audubons Birds of America, original double elephant folio (1834-35), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Enoplosus armatus, old wife
Plate 34 from Zoological drawings by Ferdinand Bauer. This medium-sized reed fish is endemic to the coast of southern Australia, from south Queensland to south-western Western Australia

Anthus spinoletta, water pipit
Plate 80 from John James Audubons Birds of America, original double elephant folio (1827-30), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Ornithacris pictula magnifica, locust
A locust with its elytra open and wings spread. Locusts sometimes swarm to form groups of up to 80 million and can migrate over large distances

Australopithecus africanus
An illustration of Australopithecus africanus in action hunting, by Maurice Wilson. A. africanus lived in South Africa between 2 to 3 million years ago

Platanaster ordovicus, starfish
This echinoid dates from the Ordovician period. Starfish belong to the Echinoderm spiney skinned and were mostly bottom dwellers. They are also characterised by five-fold symmetry

Euparkeria
A model of Euparkeria. This was an early archosauriform, a type of carnivorous and terrestrial reptile that lived around 225 million years ago during the Early Triassic period

Dizgocrinus mon, fossil crinoid
This fossil crinoid or sea-lily originates from the limestones of Keokuk, Lowa, USA

Plectrophenax nivalis, snow bunting
Plate 189 from John James Audubons Birds of America, original double elephant folio (1831-34), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Amethyst is a transparent purple variety of quartz. Amethyst is used as a gemstone and is the birthstone of February

Limosa haemastica, Hudsonian godwit
Plate 258 from John James Audubons Birds of America, original double elephant folio (1834-35), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Neuropteris, seed fern
Shown here is the Carboniferous seed fern plant, Neuropteris

Arborophila torqueola, common hill partridge
A watercolour by Lady Mary Bentinck (c. 1833)

Fluorite comprises of (calcium fluoride). Its properties include fluorescence and cubed crystals. Specimen from the Trevaunance mine, St Agnes, Cornwall

Caracara cheriway, crested caracara
Plate 161 from John James Audubons Birds of America, original double elephant folio (1831-34), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Crystal, carving and treated blue topaz
An orange crystal, colourless carving of Queen Victorias head and a heat-treated blue topaz gem of 0.24ct

Melanochlora sultanea, sultan tit
Plate 51 from John Goulds The Birds of Asia, Vol. 2, (1850-83). Hand coloured lithograph

Baryonyx excavation, 1983
Palaeontologists from the Natural History Museum, London engaged in excavating Baryonyx walkeri in Surrey, England, 1983. The specimen is now on display in the Museums Dinosaur Gallery

Caledonite comprises of (copper lead carbonate sulphate hydroxide) and is characterized by small, well-formed intricate crystals. This specimen is from the Natural History Museum, London

Lasius niger, black garden ant

Jamesonite comprises of lead iron antimony sulphide, and is characterized by hair-like fibrous crystals. This specimen is from the collections held at the Natural History Museum, London

Australopithecus africanus
Model of an adult female Australopithecus africanus reconstructed from remains found at Sterkfontein, South Africa. Probably lived about 2.5 million years ago

Birthstone Series: Rose Quartz
A specimen of Rose Quartz from the Natural History Museum, London. Rose Quartz is the birthstone for the month of January (along with Garnet). Photographed by Harry Taylor

Musca domestica, house fly
Top view of a Natural History Museum model of the common house fly, a pest species always found in association with humans or human activities

Dinosaur excavation, Niger 1988
Cleaning and hardening of the bone elements of a sauropod dinosaur, prior to undercutting and the application of a plaster jacket; found in the southern Sahara of Niger

Charles Darwins Study, Down House, Kent
Charles Darwins family house now administered by English Heritage

Charles Robert Darwin (1809-1882)
Portrait of Charles Darwin as an old man. Taken at Down House in 1881

Andradite is variety dementoid, garnet and comprises of (calcium iron silicate). These crystals are in a matrix from Lanzada, Valtellina, Italy and the cut stone is from an unknown locality

Conuropsis carolinensis, Carolina parakeet
Plate 26 from John James Audubons Birds of America, original double elephant folio (1827-30), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Didymograptus murchisoni, graptolite
This is an Ordovician tuning-fork shaped graptolite from Wales. Graptolites are an extict group of marine, colonial animals

Cicinnurus regius, king bird-of-paradise
Plate 24 from John Goulds The Birds of New Guinea, Vol. 1 (1875-88). Hand coloured lithograph

Tuojiangosaurus was herbivorous and had armour plates similar to those of the famous Stegosaurus. It lived about 150 million years ago and was 7 metres long and 2 metres high

Ailuropoda melanoleuca, giant panda
Plate 50 from Recherches pour Servir a l histoire naturelle des Mammiferes (1868-74) by Henri Milne-Edwards. Held in the Zoology Library at the Natural History Museum, London

Parus carolinensis, Carolina chickadee
Plate 160 from John James Audubons Birds of America, original double elephant folio (1831-34), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Anglian ice sheet
A reconstruction of the front of the Anglian ice sheet in Precambrian (4, 500 to 543 million years ago) north London

The Earth from space
View of the Earth from space taken during the Apollo 17 mission in 1972 showing Africa and the Arabian Peninsula

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