nonnesting swans

I've turned over the whole place, but I still can't find my glasses.

[T]hese whales, influenced by some views to safety, now swim the seas in immense caravans, so that to a large degree the scattered solitaries, yokes, and pods, and schools of other days are now aggregated into vast but widely separated, unfrequent armies.

...single taxonym (however it may be artificially segmented into subsidiary taxa) ; but if collateral branches are later found, or reconstructed, or attached by the systematist — branches each one of which includes the ancestor — there is an embarrassment of inompatibles in the taxonomics, for the reason justifying the creation of new taxa at the cladal fork to express the evolutionary divergence is extraneous to the taxonymic unity of any one clade.