Investigations in fish control. 53-55. Toxicity of mixtures of quinaldine sulfate and MS-222 to fish; Efficacy of quinaldine sulfate MS-222 mixtures for anesthetization of freshwater fish; Residues of quinaldine and MS-222 in fish following anesthesia with mixtures of quinaldine sulfate, MS-222 [with lists of references; by Verdel K. Dawson and others].