I have indicated where those narrations occur in benefit 254 of my book Selected Benefits from Fatḥ al-Bārī and Other Works.

Al-Bukhārī’s practice of distributing a single report across several chapter headings means that some ḥadiths appear in places where one would not normally expect to find them. Because of this, a number of scholars supposed that the Ṣaḥīḥ lacked certain traditions. That is precisely what happened to al-Ḥākim—may Allah have mercy on him—in his Mustadrak: he claimed to “add” several reports to al-Bukhārī, asserting that they were not included, even though they are in the Ṣaḥīḥ.

One illustration is ḥadith 2284, which al-Bukhārī cites in the Book of Hiring concerning the prohibition of taking a stud fee (ʿasb al-faḥl). Al-Ḥākim listed this narration as a supplement to al-Bukhārī and thereby erred. Al-Ḥāfiẓ Ibn Ḥajar comments on the ḥadith: “He was mistaken in his supplementation; the report is in al-Bukhārī, as you can see. Because he did not find it in the Book of Sales, he assumed that al-Bukhārī had omitted it.”