2 adverbs to describe how to intermarry

In this little book about the women who intermarried, not very enviably, with an unhuman race (a race predestinate to the red ending which I have chronicled elsewhere, in The Red Cuckold), it is of ten such moments that I treat.

Whether they really be the pure descendants of the ancient Romans is difficult to say: but it is by no means improbable, since even to this day they intermarry solely with one another, and refuse to give their daughters in marriage to foreigners or to those of mixed blood.

2 adverbs to describe how to  intermarry  - Adverbs for  intermarry