From Osteographia or the anatomy of the bones by William Cheselden.
Found here.
Save me, please. I’m here.Poster by Kazumasa Nagai.
Found here.
Asafo Company flag.
Found here.
Two Noblemen Killing a Tiger.
Found here.
Dog (ca. 1940) by Bill Traylor.
From Bill Traylor – Drawings from the collections of the High Museum of Art and the Montgomery Museum of Fine Arts, published by DelMonico Books (2012).
How Long Do Animals Live?Illustration by Gerd Arntz from Compton’s Pictured Encyclopedia, 1939. 
Found here.
Birds and Animals a collection of drawings by Hokusai.Published by Hokusai Museum.
Found here (via ipd).
Four more years.
Maritime flag found here.
A very strange grasshopper…
Matchbox animal alphabet by Cruz Novillo.Found here (via Present & Correct).
Also see this.
It Looked Like Spilt Milk by Charles G. Shaw, Harper and Row, 1947.
Found at Stopping Off Place.
First known depiction of the rhinoceros called Ganda.
‘A primitive woodcut which illustrates a poem by Giovanni Giacomo Penni published in Rome in July 1515.’
Found on Wikipedia.
uniteditions:

Projekt No. 6, 1978. Cover art by Hubert Hilscher. Read more here: www.uniteditions.com/shop/projekt
Poster for a Grapus exhibition in the Netherlands (1985).Design by Pierre Bernard.
Found here.
Gallo by Pablo Picasso (1938).
Found here.
Gallo by Pablo Picasso (1938).
Found here.