Assuming this map dates from 1949, it curiously fails to show the two rarest and most valuable animals in the entire collection - Lien-Ho, the male Giant Panda (resident 1946-1950) and of course Guy the male Western Gorilla, who arrived in 1947.
on Zooplantman's first link the article says it is the 1949 leaflet, but also says "I think this was part of a series of 12 picture maps of London that Sayer did for the Strand Magazine in 1946."Assuming this map dates from 1949, it curiously fails to show the two rarest and most valuable animals in the entire collection - Lien-Ho, the male Giant Panda (resident 1946-1950) and of course Guy the male Western Gorilla, who arrived in 1947.