"Wednesday X - 3 - continuad 4/83, - Calothrix crustacea on alveolus + rock surface in holt. 484. Ralfsia verrucosa in rock hols, Sunday Oct. 4 - 91 485. (=448 + 460) Mastigium Coccineum? same stream as former Brought home a stone from old side-stream from which scrapings showed beautiful pinkish Chantreae. A very best specimen of metamorphosis of Chantreana into Batisto- ferum, that I have ever seen. Chantremie about 3/4 mm. high - to 1 mm.