General.- Microvasculature in Experimental Glioma and Developing Brain, Rat.- Experimental Allergic Encephalomyelitis, Rat.- Effects of Neurotoxins.- Neurotoxic Effects of Pyridoxine (Megavitaminosis B6), Rat.- Neurotoxic Effects of Doxorubicin, Rat.- Neurotoxic Effects of Clinoquinol, Mouse.- Neurotoxic Effects of Hexacarbons (n-Hexane, Methyl-n-Butylketones; 2,5-Hexane-Dione; 1,4-Diketones).- Organophosphorus Ester-Induced Delayed Neuropathy, Rat.- Neurotoxic Effects of Ethidium Bromide, Rat.- Neurotoxic Effects of 6-Aminonicotinamide, Mouse.- Neurotoxic Effects of Trimethyltin.- Neurotoxic Effects of Lysolecithin, Mouse, Rat.- Neurotoxicity of Perhexiline Maleate in Rats.- Cycloleucine Encephalopathy, Rats and Mice.- Neurotoxic Effects of Amoscanate, Rat.- Neurotoxic Effects of 2-Chloroprocaine and Other Local Anesthetics, Rat.- Systemic Degenerative Disorders of Primary Sensory Neurons in Rats Induced by 4-Hydroxyaminoquinoline 1-Oxide.- Inorganic Mercury Poisoning, Rat.- Tellurium Poisoning, Rat.- Cadmium Poisoning, Rat.- Neoplasms.- Benign and Malignant Neoplasms, Meninges, Rat.- Malignant Reticulosis, Rat.- Gliomas, Mouse.- Lipoma, Brain, Mouse.- Gliomas, Rat.- Peripheral Nerve Sheath Tumors, Rat.- Schwannomas (Induced) Cranial, Spinal, and Peripheral Nerves, Rat.- Malignant Melanotic Schwannomas Induced by 1,1-Dimethylhydrazine, European Hamster.- Cardiac Neurilemmoma, Rat.- Infections.- Parvovirus Infection, Rat.- Encephalomyelitis, Theiler’s Virus, Mouse.- Mouse Hepatitis Virus Infection, Brain, Mouse.- Lymphocytic Choriomeningitis, Mouse.- Encephalitozoonosis, Central Nervous System, Rat, Mouse.- Toxoplasmosis, Nervous System, Mouse and Hamster.- Disorders: Inherited or of Unknown Etiology.- Spontaneous Radiculoneuropathy, Aged Rats.- Peripheral Neuropathyin the Mutant Syrian Hamster.- Abberrant Synaptic Development in Mutant “Weaver” Mice.