ORDINAL NUMBERS

Spell out first through ninth (do not spell out tenth—use 10th); for ordinals greater than ninth use Arabic numerals with st, nd, rd, and th:

            41st

            42nd

            43rd

            44th

Do not hyphenate ordinals with comparatives or superlatives

            second largest producer

            fourth most populous city

but      first-grade potatoes

            third-ranked city