MANY features of much interest are presented in the current number of the Annals of Tropical Medicine and Parasitology (vol. ix., No. 2, June 30). The opening article, by Dr. Breinl, deals with the ulcerative disease known as Gangosa, or Rhinopharyngitis mutilans, as observed by him in New Guinea. The causal agent of the disease is considered to be a new species of Cryptococcus (C. mutilans), of which illustrations are given in a coloured plate. The ravages due to Gangosa are forcibly demonstrated by three plates of photographs of different cases. The second paper, by Dr. H. Priestley, deals with Theileria tachyglossi, a protozoan parasite found in the blood and internal organs of an Echidna, Tachyglossus aculeatus, from the neighbourhood of Townsville, Queensland. This article is of interest as being the first record of the organism from marsupials. The parasite closely resembles Theileria parva of African East Coast fever in cattle. A coloured plate depicts the forms of the parasite observed.