368 



INDEX. 



Homarina, 2G1 

 Homarns, 13, 42, 257, 332 

 Homology, homologous, homolo- 



gue, 148 

 Eoploparia, 342 

 Hypoblast, 211 



Idothca, 323, 334 

 Impregnation, 135, 350 

 Integument, 50 

 Interseptal zone, 183 

 Intestine, 29, 61 



Ischiopodite, 1G5 



Japanese Crayfishes, 313, 314 



Jaws, 23 



JOHKSTON, J., quoted, 42 



K. 

 Kesslee, quoted, 298, 304 

 Kidney, see Green gland 

 Klukzingeb, referred to, 330 



L. 



Labrum, 51 



development of, 218 

 Lamarck, referred to, 4 

 Leeeboullet, quoted, 353 

 Legs, ambulatory, 168 

 Lemoine, referred to, 353 

 Leydig, referred to, 115, 3o3 

 Liver, 30, 64 



development of, 223 



nature of seerction, 352 

 Lobster, common, see Homarus 



Norway, see Ncjjhrojis 



Lobster, Eock, see Pallnurus 

 LoviN, referred to, 327 



M. 

 Machine, living, 128 

 M'lNTOSH, Dr. W. C, quoted, 288 

 Mandible, 23, 51, 170 



development of, 214 

 Maetens, Von, 306 

 Mastodon mirificns, occurring with 



fossil crayfishes, 316 

 Maxillae, 23, 170 

 Maxillipedes, 23, 164 

 Medullary groove, 213 

 Megalopa stage of development, 



283 

 Meropodite, 165 

 Mesoblast, 212 

 Mesoderm, 141 

 Mesophragm, 158 

 Metamere, 143 

 Metastoma, 51 

 Metope, 278 

 Midgut, 61 



development of, 211, 214, 223 

 Milne-Edwaeds, quoted, 13, 289 

 MoUnsca, 284 

 Morphology, 46, 138 



comparative, 230 

 Mortality of crayfishes, 123 

 Morula, 206 

 Mosaic vision, 122, 354 

 Motor plates, 189 

 Mouth, 51 

 MiJLLEE, Johannes, referred to, 



122 

 Muscle, 57, 90, 175, 181 



development of, 224 



histology of, 90, 181 

 Muscles of abdomen, 99 



