INDEX. 



505 



K. 



Keber's organ, 319, 334 

 Kidney, 22, 40, 41 ; histology of, 



Kleinenberg's fibres, 352, 353 



L. 



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 

 Larynx, 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, 5°; 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, 6r 



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 



