[Garw Valley, Wales, circa 1947] - A substantial lot of manuscript anatomical pencil drawings, mainly examining the cellular level of organisms, made by a pupil of biology, Miss Joan M. Evans of the historic mining community of Garw. 8vo. 203 pages of innumerable drawings with scientific annotations, approximately two-thirds of which are hand coloured. Approximately half are contained in three sketch pads measuring approximately 19 x 25 cm, and half being slightly large unbound sketching leafs measuring approximately 19 x 27,5 cm. With artist's ownership inscription to front of two of the sketch pads. Very slight age toning to the individual leafs, otherwise the lot in very good condition, clean and bright.