Monday, February 26, 2007

The Infinitesmal I

Hydatinaea, Notommata

Hydatinaea, Notommata - parasita, granularis, brachionus, tripus, clavulata ..

Hydatinaea, Notommata collaris, najas, aurita, gibba , ansata, decipiens, felis

Hydatinaea, Notommata, Synchaeta

Floscularia, Melicerta, Limnias

Floscularia, Tubicolaria, Stephanoceros

Fragilaria, Meridion, Odontella, Isthmia

Gallionella, Actinocyclus, Navicula, Cocconeis, Eunotia, Synedra

Brachionaea, Brachionus, Pterodina

Brachionaea, Noteus, Anuraea

Colacium, Distigma, Eipipyxis, Dinobryon, Amoeba

Diffluglia, Arcella, Cyphidium

Enchilia, Leucophrys, Holophyra, Prorodon

Brachionaea, Brachionus

One of the sweetly sad pleasures of casually trawling the history of science literature is discovering works and characters of incredible depth and diversity that are not widely known. One of these prolific and brilliant pioneers is Christian Gottfried Ehrenberg who might otherwise be described as a microscopist extraordinaire.

He released 2 great monographs which basically divide between the living and non-living worlds examined under magnification during the 19th century. I have previously posted about the non-living: the microgeological and fossil samples Ehrenberg assiduously examined and recorded that gave rise to a new field within paleontology.

The wonderfully alien images above (and in the following post) come from his earlier 1838 treatise, 'Die Infusionsthierchen als Vollkomene Organismen', in which he identified a large number of unicellular organisms, particularly from the protist diatoms, and chief among them the radiolarians.

The Humboldt University Museum für Naturkunde have a large selection online from the enormous quantity of written and illustrated material Ehrenberg left behind. I have still not properly examined the contents. There is a very good reason for this: all of the images are huge, averaging around 10Mb each, with no thumbnails available. So although you will find much larger versions if you click on the images here, they have had to be scaled down substantially.

Unsurprisingly, Ernst Haeckel, who shared a common interest in radiolaria, is featured haphazardly in the Museum collection. The image and details below were only identified as: 'Haeckel, 1865, plate 1.' I don't think that particular double page illustration has been posted elsewhere.

Haeckel 1865, Plate 1

Haeckel 1865, Plate 1 (detail a)

Haeckel 1865, Plate 1 (detail b)

Haeckel 1865, Plate 1 (detail c)


christian said...

Plate 1 detail a is absolutely great ! Thanks Mister K

Moon River said...

your findings are ever magnificent!!!

Xenophora said...

I've been taking an invertebrate zoology class this spring and have had a chance to gaze at some of these beautiful beasties in real life.

This art a delight. And baby, is it ever hard to draw something while you are looking through a microscope. The focus pulls make your eyeballs want to fall right out of their sockets!

This stuff is great.

tmcaleer said...

You are remarkable for doing this time consuming work and documenting with such detail and commentary. More than an thousand THANK YOU'S to you for this effort, not only here but on Flickr.

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