Images Dated 17th April 2013 (page 68)

Calcarius ornatus Carduelis magellanica Zonotrichia atricapi
Plate 394 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Icterus bullockii, xanthocephalus xanthocephalus, Agelaius t
Plate 388 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Scialia currucoides, Scialia mexicana, Dendroica townsendi
Plate 393 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Calamospiza melanocorys, Chondestes grammacus, Melospiza mel
Plate 390 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Parabuteo unicinctus, Harris hawk
Plate 392 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Branta bernicla, brent goose
Plate 391 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Riparia riparia, Tachycineta thalassina
Plate 385 from John James Audubons Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (& Son), London

Retreating ice sheet
An illustration of a retreating ice sheet in Britain during the ice age

Dendrocitta vagabunda, rufous treepie
Watercolour by an unknown artist 1822, artist unknown, from the Hardwicke/Campbell Collection

Lithostrotion, coral
Shown here is a Carboniferous coral. Corals comprise a soft bodied animal called a polyp. Each polyp inhabits a calcareous skeleton called a corallum

Lonsdaleia, coral
Shown here is the Carboniferous coral, Lonsdaleia. Corals comprise a soft bodied animal called a polyp. Each polyp inhabits a calcareous skeleton called a corallum

Garnet

Ipswichian interglacial
Possible scene in Trafalgar Square, London, during the Ipswichian interglacial period (135, 000-70, 000 years before present) with hyena, elephant, hippopotamus, and lion

Pleistocene hunters, wider view
Pleistocene (1.8 million years ago - 11, 000 years ago) hunting party with mammoths and rhinoceros

Subduction zone
An illustration of a subduction zone at work beneath the South American continent. Fig 20 from The Story of the Earth 1977, London

Jurassic Britain
An artists impression of Jurassic (206 to 144 million years ago) Britain from space, with forested swamps and warm seas

Oceanic subduction zone with island arc
This diagram shows a destructive plate margin, an oceanic subduction zone accompanied by a volcanic island arc

Thames Valley in the Ipswichian Interglacial
Artists impression of the Thames Valley during the Ipswichian interglacial (135, 000 to 70, 000 years before present), with an elephant, hyaena, and hippopotami

Lapis lazuli
Rough specimen of lapis lazuli (sodium calcium aluminum silicate sulfur sulphate) with one polished face from Persia

Slate
Cambrian slate from North Wales. Slate is metamorphosed shale

Devonian landscape
An impression by Bridget Kempster of the Old Red Sandstone desert of the Devonian period (417 to 354 million years ago)

Cheirotherium
Arid desert of Triassic Britain with imagined reconstructions of Cheirotherium ( hand-beast ), a labyrinthodont reptile, whose prints are common in Triassic rocks but no remains have been found

Chalk
A piece of flintless white chalk from the Upper Chalk, Flamborough, Yorks. Chalk is a sedimentary rock formed in deep seas

Quartz variety amethyst
Amethyst crystals lining an agate geode from Germany. Amethyst is a gemstone variety of quartz

Asteroceras and Promicroceras, ammonites
Asteroceras (large shells) and Promicroceras (small shells) ammonites, seen here in a rock specimen from the Lower Lias, Marston Magna, near Yeovil, Somerset

Didymograptus, graptolite
Didymograptus, Ordovician tuning-fork planktonic graptolites. Graptolites are an extinct group of marine, colonial animals

Hyolithes, primitive mollusc
Shown here is Hyolithes, a Cambrian primitive mollusc. Hyolithes had an oval or cone-shaped, elongated shell and often occured in clusters along bedding planes of Cambrian shale

Alouatta seniculus, red howler monkey
Portrait of a red howler monkey, native to the forests in various regions across South America. Photographed by Frank Greenaway

Charoite
Vase and rough specimen with a polished face of purple charoite, black aegerine augite, grey microcline and orange tinaksite from Yakutusk, Russia - the only location where this mineral occurs

Sandstones
A collection if sandstones showing colour variations. Clockwise from the left: green Ightham Stone, brown St Bees, beige L Coal Measures from Derbyshire and striped from Stirling

Dictyonema, graptolite
Shown here is Dictyonema, a Cambrian dendroid graptolite. Graptolites are the fossil remains of small colonial animals. Graptolite colonies were connected together by living tissue

Continental Drift
The current positions of the worlds continents today

Hylobates concolor, crested gibbon
A portrait of a juvenille crested gibbon. Photographed by Frank Greenaway

Gorilla gorilla, gorilla

Quartzite

Gymnosperm, palm & angiosperm
Composite photomicrograph comparing structures visible through a hand-held lens in transverse section of fossil tree trunks: gymnosperm (left), palm (centre) and angiosperm (right)

Callophrys rubi (Linnaeus), green hairstreak
A resting green hairstreak butterfly from the family Lycaenidae. This is a widespread butterfly that can be found all over Europe as well as in Siberia. Photographed by Frank Greenaway

Gallus gallus, red junglefowl egg
The egg of a red junglefowl (gallus gallus). Specimen held in the Natural History Museum at Tring

Protobarinophyton obrutschevii
The fossilised leafless stems of Protobarinophyton obrutschevii topped by a cone-like array of sopre sacs. Approximately 3 mm wide

Rhynia major, fossilised plant
A complete soft tissue preservation at the cellular level in Rhynia major. Transverse section through stem, approximately 2mm in diameter. From Rhynie Chert, Scotland, Early Devonian

Estrildid finches
Illustration by M.W. Woodcock from Derek Goodwins Estrildid Finches of the World, (1982). Plate 5

Marpolia spissa, fossilised algae
A fossilised type of green algae, possible filamentous cyanobacteria (Marpolia spissa), approximately 12 mm in height. This specimen was discovered in the Middle Cambrian, Burgess Shale, Canada

Estrildid finches

Estrildid finches
Illustration by M.W. Woodcock from Derek Goodwins Estrildid Finches of the World, (1982)

Estrildid finches
An illustration by M.W. Woodcock from Derek Goodwins Estrildid Finches of the World, (1982). Plate 6, page 224

African Estrildid finches
Illustration by W.M. Woodcock from Derek Goodwins Estrildid Finches of the World, (1982). Plate 1

Estrildid finches
Illustration by M.W. Woodcock from Derek Goodwins Estrildid Finches of the World, (1982). Plate 7, page 257

Bycanistes brevis, silvery-cheeked hornbill
Watercolour and pencil by Claude Gibney Finch-Davies (1940). One of twenty-three species of hornbill found in Africa

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