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Rest on the flight into Egypt. 1879. Luc Oliver Merson. French. 1846-1920.
oil on canvas. http://hadrian6.tumblr.com
(via oldpainting)
![liquidnight:
Julia Margaret Cameron
A Beautiful Vision (Julia Duckworth)
Carbon print, June 1872
[via PDN Photo of the Day]](http://25.media.tumblr.com/tumblr_luvzo5Dplb1qzhl9eo1_500.jpg)
A Beautiful Vision (Julia Duckworth)
Carbon print, June 1872
[via PDN Photo of the Day]
Portrait of a young woman in kimono. Hand-colored photo, 1870’s, Japan, by photographer Von Stillfried
(via beautifulcentury)
![biomedicalephemera:
Giant Golden Mole - Chrysochloris trevelyani [now Chrysospalax trevelyani]
If there were ever a mammal worthy of being given the common name of “Blorp”, this would be it. But no, they get to be called the “giant golden mole”, despite not being all that giant, or all that golden. I’m still calling them Blorps.
These pudgers are ancient, mostly-desert-dwelling Gondwanan creatures which are remarkably well adapted to climates with significant thermal shifts. During times of extreme heat or cold, their bodies can go into a state of torpor, almost stalling their basal metabolism rate, and completely turning off their internal thermoregulation until the temperature returns to a more amicable range.
The family of golden moles, Chrysochloridae, is not related to the “true moles” (Talpidae), but get their common name from their similar appearance, which developed through convergent evolution. Most scientists agree that the golden moles are more closely related to hedgehogs and shrews than to true moles, though some theories group them with the tenrecs. Until full genetic profiles are established for the Insectivoridae, we probably won’t have a definitive answer.
Proceedings of the Zoological Society of London. 1875.](http://24.media.tumblr.com/56ecf1cb7533c04d7a5c2c61b7a434bd/tumblr_mf8gsmMyHl1qk931ho1_r1_500.jpg)
Giant Golden Mole - Chrysochloris trevelyani [now Chrysospalax trevelyani]
If there were ever a mammal worthy of being given the common name of “Blorp”, this would be it. But no, they get to be called the “giant golden mole”, despite not being all that giant, or all that golden. I’m still calling them Blorps.
These pudgers are ancient, mostly-desert-dwelling Gondwanan creatures which are remarkably well adapted to climates with significant thermal shifts. During times of extreme heat or cold, their bodies can go into a state of torpor, almost stalling their basal metabolism rate, and completely turning off their internal thermoregulation until the temperature returns to a more amicable range.
The family of golden moles, Chrysochloridae, is not related to the “true moles” (Talpidae), but get their common name from their similar appearance, which developed through convergent evolution. Most scientists agree that the golden moles are more closely related to hedgehogs and shrews than to true moles, though some theories group them with the tenrecs. Until full genetic profiles are established for the Insectivoridae, we probably won’t have a definitive answer.
Proceedings of the Zoological Society of London. 1875.
(via scientificillustration)
Giant Golden Mole - Chrysochloris trevelyani [now Chrysospalax trevelyani]
If there were ever a mammal worthy of being given the common name of “Blorp”, this would be it. But no, they get to be called the “giant golden mole”, despite not being all that giant, or all that golden. I’m still calling them Blorps.
These pudgers are ancient, mostly-desert-dwelling Gondwanan creatures which are remarkably well adapted to climates with significant thermal shifts. During times of extreme heat or cold, their bodies can go into a state of torpor, almost stalling their basal metabolism rate, and completely turning off their internal thermoregulation until the temperature returns to a more amicable range.
The family of golden moles, Chrysochloridae, is not related to the “true moles” (Talpidae), but get their common name from their similar appearance, which developed through convergent evolution. Most scientists agree that the golden moles are more closely related to hedgehogs and shrews than to true moles, though some theories group them with the tenrecs. Until full genetic profiles are established for the Insectivoridae, we probably won’t have a definitive answer.
Proceedings of the Zoological Society of London. 1875.
(by ggaabboo)
photographer: Rottman Fülöp - ca: 1870s
Merchants Quay, Newry (by National Library of Ireland on The Commons)
Underside and circulatory system of the Atlantic Horseshoe Crab (Limulus polyphemus)
The curious horseshoe crab (or king crab) is not actually a crab at all. It is an ancient member of the Chelicerata - more closely related to scorpions and spiders than any crustacean.
Note that the colors on the bottom illustrations only indicate a state of oxygenation and deoxygenation (red and blue, respectively), not the true color of the blood. Since horseshoe crabs utilize the copper-based hemocyanin to transport oxygen (as opposed to hemoglobin, in vertebrates), their blood is colorless or a light yellow when oxygenated, and a deep blue color when deoxygenated.
Of note - the mouth of the horseshoe crab is a jawless opening leading to a gizzard, between the legs on the underside of the body, and the book gills are located directly below them. The book gills, in addition to being used for blood gas exchange, are occasionally used for increased motility.
Images:
Top: Anatomy of underside and tail. From the John Reeves Collection, via scientificillustration. 1827.
Bottom: Circulatory system. Recherches sur l’Anatomie Limulus. M. Alphred Milne Edwards, 1873.
(via scientificillustration)
