the narrator remembers how they used to collect frogspawn in a flax dam. their view on nature changes from being excitable when younger to being disgusted as they grow up
lack of rhyme scheme suggests change is not always predictable
"flax had rotted there"
foreshadowing the way the narrator becomes repulsed by nature.
"bubbles gargled delicately" - the bubbles are a metaphor for the child's innocence
the oxymoron also shows the excitement of something disgusting
"daddy frog", "mammy frog"
childlike language shows the narrator slipping into their childhood self
repetition of frog conveys youth
"invaded the flax-dam", "gross bellied frogs were cocked"
military imagery shows nature as something dark and potentially harmful
personification in the first stanza is used to show excitement and fascination of nature whereas in the second stanza it is used to show the frogs as dominating and a threat