Preface Page 



Section 13 Addenda 53 



Section 14 Fishes Whose Bite is Poisonous, Fishes 

 with Poisonous Spines, and Shellfish with 

 Poisonous Spines v'SS 



Chapter III. Fish Poisoning Symptoms and Treatment . . . • • 55 



Section 1 Symptoms. ..... ..SB 



Section 2 Treatment 59 



Chapter IV. Toxic Substances and Methods of Eliminating 



them ...•• 61 



Section 1 Toxic Substanoes. .••... .61 



Section 2 Location of Poison and Changes Resulting 



frcBi preparation for the table • ... 61 



Section S Methods of Extraction •••62 



Section 4 Preservation of Toxio Substances* .... 64 

 Section 5 Elimination of Toxio Elements ...••• 73 



Chapter T. Conclusions and Observations •••. •*80 



Section 1 Popular Theories ....SO 



Section 2 On variations in Toxicity 82 



Section 3 On the Distribution of Poisonous Fishes • 83 



Tables • ......85 



2. Report of an Investigation of Poisonous Fishes within the 



Jurlsdlotion of the Saipan Branch of the Govenment-General, 

 By Takashl Yasukawa ZJ 



Foreword ...•.........•• ••••• .189 



Introduction and literature. 190 



Fishermen's reports. 191 



Ecology and distribution of poisonous fishes 192 



Views on the dissection of poisonous fishes 193 



Bacteriological Investigation of poisonous fishes 194 



Chemical studies of poisonous fishes 195 



Effects of the occurrence of poisonous fishes on the 



fisheries and counter-measures to be taken ........ .195 



Conclusions 196 



Zj Contagious Disease Research Institute Tokyo Imperial TJhlvwrslty 



