The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1943, New Series, Vol. 38, No. 2.
The cover is a signed Zolnerowich image reprinted from the cover of Jungle Comics #18 with Kaänga's head redrawn by Moreira and Zolnerowich's signature removed.
The story title is taken from the cover blurb.
first line: "Terror seethes over the grim walls of a jungle temple..."
Frank Riddell is a by-line used at Fiction House.
Traditionally the inks have been credited to Moreira, but according to Robert Barrett, Reed Crandall indicated to him that these were his own inks.
Crandall art credits confirmed in Alter Ego #129 (November, 2014) by Alberto Bacattini.