6i6 



INDEX 



K 



K. 



^aryokinesis, 562 



Keber's organ, see Pericardial gland 

 Kidney : Frog, 26, 145 ; Crayfish, 



375 ; Mussel, 408 ; Dogfish, 466 ; 



Rabbit, 537 ; development of, in 



Vertebrates, 591 



LUMBRICUS, see Earthworm 

 Lungs, 10, 22, 141, 204, 209, 518, 



590 



Lymnsea, 603 

 Lymph, 18 

 Lymph-hearts, 97, 98 

 Lymphatic glands, see Adenoids 

 Lymphatic system, 18, 97, 458 



L 



L. 



^abial palp, see Palp 



Labrum, 370 



Lacrymal glands, 186, 535 



Lacunae, see Bone and cartilage 



Lamellae of gills (Mussel), 403 



Lamellibranchiata, 411 



Lamina terminalis, 531 



LANCELET : general characters, 

 419 ;. fins, 419; skeleton, 422; 

 gill-slits and bars, 420, 422 ; 

 enteric canal, 424 ; blood-vessels, 

 424 ; nephridia, 424 ; nervous 

 system, 424 ; gonads, 421, 425; 

 development, 425, 574 ; practical 

 directions, 426 



Larva, 9, 354, 384, 411, 425 



Laryngo-tracheal chamber, 141 



Larynx, 506, 517 



Lateral line, 432, 464 



Laverania, see Malaria organism 



Legs, see Appendages 



Lens of eye, 183, 354, 534, 555 



LEPUS, see Rabbit 



Leucocyte, 105, 336, 379, 458 



Life, origin of, 288 ; and see Bio- 

 genesis 



Life-history, 8, 206 ; and see under 

 various types 



Ligaments, 55, 57 



Limbs, see Appendages 



Lips, 486, 507 



Lithite, 315, 409 



Lithocyst, 315 



Liver, 20, 133, 204, 447, 516, 589 



Lobster, 360 



Lumbricida. 1 , 350 



M 



_ alaria organism, 287 

 Malleus, see Auditory ossicles 

 Malpighian capsule, 146, 538, 



592 



Mammalia, 219, 418, 482 

 Mammary glands, see Glands 

 Mandible, 16, 44, 366, 438, 496 

 Mantle, 396 

 Mantle-cavity, 400 

 Manubrium : of Medusa, 314; of 



malleus, 536 ; of sternum, 500 

 Manus, 5, 50, 484, 502 

 Marginal sense-organs, see Lithocyst 

 Marrow-cavity, 48 

 Matrix, see Intercellular substance 

 Maturation of ovum, 568 

 Maxilla : Crayfish, 366 

 Maxilliped, 364 

 Meckel's cartilage, 44, 438 

 Mediastinum, 518 

 Medulla oblongata, 157, 459, 530, 



584 

 Medullary cord, folds, groove, and 



plate, 202, 577 ; sheath, 167 ; 



substance of Protozoa, 264, 269, 



280, 286 

 Medusa, medusa-buds, 311, 313, 



3H 



Megagamete, 275, 287 

 Meganucleus, 265, 269 

 Megazooid, 250, 275 

 Membranous labyrinth, 186, 465, 



Mesencephalon, see Mid -brain 

 Mesenteron, 371 ; and see Arch- 



enteron 

 Mesentery, 22, 447, 515 



