The below images have been adapted (inverted) from the black on white images of Dr. Eduard d’Alton found in Die vergleichende Osteologie.
![Reindeer Skeleton by Eduard Joseph D'Alton circa 1823](https://ctgpublishing.com/wp-content/uploads/2013/09/reindeer-skeleton-by-eduard-joseph-d-alton-circa-1823-invert-1024x770.jpg)
Reindeer Skeleton by Eduard Joseph D’Alton circa 1823 Adapted from Die vergleichende Osteologie
![Rhinoceros Skeleton by Eduard Joseph D'Alton circa 1821](https://ctgpublishing.com/wp-content/uploads/2013/09/rhinoceros-skeleton-by-eduard-joseph-d-alton-circa-1821-invert-1024x710.jpg)
Rhinoceros Skeleton by Eduard Joseph D’Alton circa 1821 Adapted from Die vergleichende Osteologie
![Squirrel Skeleton by Eduard Joseph D'Alton circa 1823](https://ctgpublishing.com/wp-content/uploads/2013/09/squirrel-skeleton-by-eduard-joseph-d-alton-circa-1823-invert-1024x796.jpg)
Squirrel Skeleton by Eduard Joseph D’Alton circa 1823 Adapted from Die vergleichende Osteologie
![Tapirs Skeleton by Eduard Joseph D'Alton circa 1821](https://ctgpublishing.com/wp-content/uploads/2013/09/tapirs-skeleton-by-eduard-joseph-d-alton-circa-1821-invert-1024x735.jpg)
Tapirs Skeleton by Eduard Joseph D’Alton circa 1821 Adapted from Die vergleichende Osteologie
![Walrus Skeleton by Eduard Joseph D'Alton circa 1823](https://ctgpublishing.com/wp-content/uploads/2013/09/walrus-skeleton-by-eduard-joseph-d-alton-circa-1823-invert-1024x664.jpg)
Walrus Skeleton by Eduard Joseph D’Alton circa 1823 Adapted from Die vergleichende Osteologie
![Wolverine Skeleton by Eduard Joseph D'Alton circa 1822](https://ctgpublishing.com/wp-content/uploads/2013/09/wolverine-skeleton-by-eduard-joseph-d-alton-circa-1822-invert-1024x654.jpg)
Wolverine Skeleton by Eduard Joseph D’Alton circa 1822 Adapted from Die vergleichende Osteologie