The numbers of codivergence and host shift events were always higher than duplication and sorting, regardless of different cost settings, signalling that these events are dominating the evolutionary history of the host-parasite system.

Excellent descriptive power and frequent brilliant lines in this adoxographic poem.

The dinghy was trailing astern at the end of its painter, and Merrion looked at it as he passed. He saw that it was a battered-looking affair of the prahm type, with a blunt snout, and like the parent ship, had recently been painted a vivid green.

Among other forms of change, the evolution of transportation has involved modification, diversification, convergence, divergence, hybridization, differentiation, and naturally, selection.