Sentence:  We must also remark, that in the Eddaic Poems there is no mention made of <WSD>Surtur</WSD> and the Elves of Light existing in Muspellheim "previous" to the formation of Ymir,.... 
Meaning of the word marked with <WSD> tags:  A very powerful jotun (giant) and chief of Muspellheim, described in the Eddas as wielding a flaming (or shining) sword and as battling the gods and killing Freyr during Ragnarok.