Comprises the following: A. Granger's 'Spectrogram of Turici', 1895, with letter to him dated 5 Aug 1911 Laboratory guide of Harold Gray, Unniversity Museum technician, relating to Urochordata and Hemichordata. Handwritten by Frank Gray two volumes of abstracts of R. Gurney one volume of notes of R. Gurney R. Gurney's notebook on...