I. On the regular phonetic development of the cluster ðg in the perfect form do-rubidc, do-robidc (< do-bidci; Ml. 40d9, Ml. 58c3), where rg might be expected in the unstressed position; II. On the interpretation of connuargab (Ml. 37b15) as a nasalising relative clause con n-uargab; III. for innatrachtadaib (Ml. 35b22), read innatrachtaib as in MS; IV. for dumchoscaibse, read du-m-inchoscaib-se (dat. pl. of inchosc ‘instruction’).