Fine Structural Studies on Eyes of Phalangida

Look into the Eye of the Spider!

Ariadne's thread to return home
Back to Ariadne Home page
Click to enter thesis and see just how wonderful
and intricately special
are the amazingly intricate
fine structural features
in the specialised cells
of these remarkable organs.
Just click on the ocularium (image left)
to travel through the phalangid eye.

[Scales of Magnification]
NOW - Volume 2 is complete and we have lots more data.
Text and illustrations up to Chapter 7, covering seven species of harvestman!

To recapture the thrill of scientific discovery, into these pages I'll be putting a version of my Ph.D. thesis.


Imagine:-

A beautiful, hot day - late summer, late 1960s. A pleasant, gentle stroll in suburban countryside. Amidst the long grass of a sloping bank, harvest-spiders move through the shade, but the grass stems part as the zoologist watches them move about. He notes where they go and where they come from. He sees how different species tend to be active in different locations - some just in the soil beneath the grass and leaf litter, others between the lower stems of the plants, and still others higher up moving over the stems and branches in the open. He wonders, idly, if they can see him with their eyes so prominently carried on their backs!
Specimens of these harvestmen are collected in eager anticipation. Back in the laboratory, they are humanely sacrificed and prepared for an investigation into the fine details of the structure of those prominent eyes. Once the details of good preservation and tissue preparation are sorted out, astonishingly beautifal structures are revealed.
Poduct of this combination of leisure and work - a Ph.D. thesis!



Just now we have the first two chapters telling about the background, how the images were produced and  Chapter Three about the features of the eyes of that favourite species of mine - Mitopus morio   !
Then I'll gradually be putting in more chapters until the work is complete.

Enjoy the exquisitely beautiful details in the cells described and their amazing adaptation to their function.

Prof. David Curtis, January - March, 2003.