INDEX. 



505 



I 



K. 



Keber's organ, 319, 334 

 Kidney, 22, 40, 41; histology of, 



Kleinenberg's fibres, 352, 353 



Labial cartilages, 64 

 Labial palpi, 307, 316, 321, 338 

 Labrum, 175, 176, 202; develop- 

 ment of, 237 

 Lamina terminalis, 99, 100 

 Large intestine, 10, 15, 39, 41 

 Larj'nx, 21, 49, 51 

 Lateral intestinal vessels, 261 

 Lateral neural vessels, 259 

 Lateral oesophageal trunks, 245, 



260 

 Lateral roots, 465, 471 

 Lateral ventricle, 100 

 Leaf, Bean, 460, 462, 465, 474; 

 Chara, 430, 431, 437; Fern, 



443. 455 



Leaflets, Bean, 462, 474; Chara, 

 436; Fern, 443 



Lemna, 471 



Lesser omentum, 43 



Ligament, of shell, 306, 332, 335 



Ligamentum latum, 43 



Lily, 477, 478, 481 



Limb-girdle, 14, 55, 68 



Limbs, Frog, 2, 36; development 

 of 163, 164; Crayfish, 175 



Lingual ribbon (see Radula) 



Liver, 16, 39, 43, 47; histology of, 

 150 



Lobster, 173 — 239 



Lower layer cells, 158, 159, 166 



Lumbo-sacral plexus, 103 



Lumbricus terrestris, 240 — 271 



Lungs, 21, 39, 43, 46, 50; deve- 

 lopment of, 164 



Lymph, 16 



Lymph-cavities, subcutaneous, 37, 



44' 45 

 Lymph-hearts, 17, 94 



Lymph sinus, circum-oesophageal, 



94; sub-vertebral, 8, 16, 42 

 Lymph stomata, 126 



M. 



Macrozoospore, 391, 393 



Magnesium, 379, 403 



Mandible, Frog, 9, 62; Crayfish, 

 200 



Mantle, 305, 307, 316, 328, 334; 

 development of, 340 



Manubrium, 433 



Manus, 2 



Marginal sinus, 295 



Maxilla, Crayfish, 175, 199, 213; 

 Frog, 9, 61 



Maxillipede, 175, 196, 197, 199 



Mayer's solution, 386 



Meckel's cartilage, 13, 67 



Medulla oblongata, 98 



Medullary rays, 463, 473 



Membrana propria, 220 



Membrane bones, 63 



Membranous labyrinth, 33, 119, 

 120 



Mento-Meckelian bone, 62, 67 



Meristem, 455, 462, 464 



Meropodite, 196 



Mesencephalon, 98 



Mesenteric septa, 243, 252, 265 



Mesenteron (see Archenteron) 



Mesentery, 8, 39, 42 



Mesoarium, 42 



Mesoblast, Earthworm, 247; Frog, 

 167, 169, 170 



Mesogloea, 347, 352, 356 



Mesophyll, 456, 465 



Mesorchium, 42 



Metabolism, 381 



Metacarpals, 70 



Metastoma, 175, 176, 202, 213 



Metatarsals, 73 



Metencephalon, 98 



Micrococcus, 413 



Micropyle, Bean, 461, 478; Mus- 

 sel, 312, 339 



Microzoospore, 391, 394 



Monoecious conjugation, 401 



