Which preposition to use with anomalous

in Occurrences 8%

He saw nothing anomalous in certain stains of soot, even on the wonderful face where his had unconsciously touched it when he had raised her and strained her to him one mad instant in his arms.

among Occurrences 1%

The aboriginal inhabitants of the pueblos, an intelligent, complex, industrious and independent race, are anomalous among North American natives.

Which preposition to use with  anomalous