300 



SUBJECT INDEX 



Moulting, 



metabolic changes during, 181, 

 187, 195, 199ff., 202, 203, 

 204 

 water uptake during, 220ff. 

 Moults, time of, 40, 74, 200ff. 



forced, 202, 221, 257 

 Mucosa, 3, 44, 45, 63, 120, 124 

 Mucus glands of epidermis, 129, 



131 

 Muscle tone, increase of, 69, 70, 



156, 157 

 Muscles, 8, 9, 13, 56ff., 58, 152ff., 

 157 

 calcium content of, 247 

 of blood vessels, 67, face 68, 237 

 of chromatophores, 39, 71, 72, 



72fT. 

 of gallbladder, 63, 127, 153 

 of genital ducts, face 62, 64ff., 



65, 153 

 of glands, 66 

 of gut, 57, 62ff., face 62, 127, 



153, 154 

 of hair follicles, 67 

 of heart, 57ff., 60, 154 

 of iris, 67 



of mantle, 21, 23, 69 

 sodium concentration in, 217, 



219 

 somatic, 63, 69ff. 

 specificity of, 153, 154 

 tetany of, 244, 247 

 Myoepithelial cells, 58, 65, 66, 68, 

 152, 153, 154, 159 



Nasal glands, 218 

 Nematocysts, 10 

 Nerve, 



action, 9, 20 



axons, 19, 41 



cells, 19ff., face 22, 32, 33, 45 



impulses, 20, 155, 258 



Nerve section, and secretion, 183, 



191, 192, 257 

 Nerves, 



adrenergic, 56, 106, 131 

 cholinergic, 56, 106, 131 

 parasympathetic, 45, 62ff., 127, 



154 

 stellate, 23 



sympathetic, 37ff., 41, 42, 45, 

 62ff., 67, 68, 122, 123, 125, 

 131, 154 

 vagus, 62, 64, 123, 124, 125, 127 

 Nervous control, 

 of blood supply, 41 

 of chromatophores, 72, 83, 94, 



97, 102, 106, 107 

 of hormone secretion, 9, 23, 38, 

 66, 68, 101, 106, 155, 156, 

 157, 158ff., 191, 205, 219, 

 254, 255, 257ff. 

 of salivary glands, 117 

 Nervous system, 7, 155, 205, 259 

 cells derived from, 19ff., face 22 

 central, of Crustacea, 24, 24ff. 

 central, of Insecta, 29ff., 30 

 central, of Vertebrata, 33ff., 48 

 of Cephalopoda, 23, 69 

 parasympathetic {see Nerves) 

 relieved by hormones, 155 

 stomatogastric, of Insecta, 30, 39 

 sympathetic {see Nerves) 

 Neural crest, 45 

 Neural lobe of pituitary {see Pars 



nervosa) 

 Neurofibrillae, 19 

 Nuerohaemal organs, 4, 20, 56 {and 

 see Storage-and-release or- 

 gans) 

 Neurohormones, 3, 20, 39, 56, 61, 



135, 158 

 Neurohumoral secretion, 3 

 Neurohypophysial extracts, with 

 frog ADH, 131, 210, 218, 226, 

 232, 236 

 mammalian, face 62, 218 



