Stephenson, Ellen Mary. <br/><br/>
Animal camouflage / 
by E.M. Stephenson, in collaboration with Charles Stewart [pseud.]. 
 - 1st ed. 
 - Harmondsworth [England] :  Penguin Books,  1946. 
<br/><br/> At head of title: "Pelican books." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mimicry (Biology)