28 ABT. 3.— SEIICHI KAWAMURA : 



four hours, were all very faint. Good dark prints on white back- 

 ground were secured of the leaves placed between the luminous 

 fungus surface and a photographic dry-plate, by an exposure of 

 one hour and fifty minutes. 



APPENDIX. 

 Poisoning Effect of the Present Fungus. 



The present fungus resembles the edible species, Pleur otus ostreatus Jacq., 

 in shape and habitat, a fact which has led to numerous cases of poisoning. 

 Sometimes it has also been mistaken for the edible fungus, Cortinelleus Shii- 

 take Tanaka. Although cases of poisoning by the present fungus seem to be 

 not very rare, yet details of the toxicological symptoms have hitherto not 

 been given except mention of vomiting, diarrhoea, and pain in the abdomen. 

 It may therefore be worth while to give an account of the following cases, 

 informations about which were supplied me by the victims themselves. 



(1) The first case concerned a farmer family which lived in the village 

 of Okinajima, Yamagori, Fukushima Prefecture. The family consisted of 

 five persons, viz. a grandfather (aged 86 years), a grandmother (80 years), 

 a father (61 years), a mother (58 years) and a son (21 years). One day in 

 the middle of October ]901, the son gathered fungi, which he took for the 

 edible mushroom " Hirataké " (Pleurotus ostreatus Jacq.), from a dead beech 

 and also from another tree (probably a chestnut tree) in the woods at the 

 foot of Mt. Bandai. About ten of them, measuring from four to five inches 

 in diameter were selected and cooked in an iron pan with rape-seed-oil and 

 " rniso " (a preparation of fermented and pounted beans). At about 7 p.m., 

 the cooked fungi were taken at dinner, together with rice and pickles, by 



