22D.Chemical or organic substance essential for life and growth - N?T?I?N?
35D. Archaic name for a type of reference work developed bu Diderot and d'Alembert in 18th century-?Y?L?P?D?A (Cyclopedia?)
49D.A sharp mountain ridge, especially in Switzerland - H?E?E
56A. An official of the College of Arms, ranking above a pursuivant - H???O?
54ASpecies of highly endangered Primates related to Old World monkeys including baboons-D?I??
51D. Coarse cut of meat taken from the shoulder of an ox -?L?D
Help as always, very much appreciated. The brain has really seized up today. Thanks- Hoaroak
Thank you very much for the answers. Does anyone know the answer to 56A. An official of the College of Arms, ranking above a pursuivant
Thanks again - Hoaroak