Children of the Sun

I was investigating this paragraph from the poem "The Turn of the Tide" by C.S. Lewis: "Salamanders in the Sun who brandish as they run Tails like the Americas in size, Were stunned by it and dazed; wondering, they gazed Up at Earth, misgiving in their eyes." Long story short, I'm pretty sure he got the idea from Olaf Stapledon's SF novel The Starmakers . Stapledon called them "salamanders"…