Use "wherewith" in a sentence

1. In the egg shell of Larus neighboured “cones” often grow together also in their basal part, wherewith the intermammillar spaces disappear — as presented on transverse ground section and on mammillar relievo.

Nicht selten verwachsen bei Larus benachbarte „Kegel“ auch in ihrem basalen Teil, womit das intermammillare Furchensystem verschwindet — was am Querschliff und am Mammillenrelief vorgeführt wird.