[…] instead of the bright beams that used to play in those eyes, there was now a dark deep-seated sorrow, almost despair.

Even stronger abundance enhancements, 𝛿Y_p/Y_p ~ a few 10⁻³, may arise at much later, post-reionization epochs, z ~ 2, in protogroups of galaxies (∼10¹³M_odot) as a result of accretion of warm-hot intergalactic medium with T ~ 10⁶ K.

clinker planking; a clinker dinghy

The tabernacles of robbers proſper, and they that prouoke God are ſecure, into whoſe hand God bringeth abundantly.