560 



INDEX 



lobes, of lungs, 315, 316 



lobi optici, 425, 426 



Loncheres, 86 



love antics of salamanders, 397 



lumbar intumescence, 433 . 



lumbar vertebrae, 130 



lumbo-sacral plexus, 438 



lungless salamanders, 308 



lungs, 307, 310-316 



lungs, origin of, 270 



lung system, 260 



lymph, 319 



lymph glands, 318, 362 



lymphatic nodes, 362 



lymphatics, 65, 318, 358 



lymphatic spaces, 318, 357, 358 



lymphatic system, 318, 319, 357- 

 364; development of, 360; ori- 

 gin of, 363 



lymphatic vessels, 318, 358 



lymphocytes, 362 



lymph hearts, 318, 358, 359 



lymphoid tissue, 362 



lyssa, 385 



M 



Macacus, 91, 92, 93 

 macrogametes, 7, 48, 49, 50, 58 

 maculae acusticae, 490 

 macula lutea, 500 

 malleus, 159, 45O, 495 

 Malpighian corpuscles, 373 

 mammae, 116, 117; inguinal, 116; 



pectoral, 117; unusual position 



of, 117. 

 Mammalia, mammals, 39, in, 113, 



148, 172, 174, 175, 179, 198, 200, 



201, 203, 206, 212, 215, 2l6, 226, 



227, 229, 236, 247, 248, 249, 250, 



263, 264, 268, 269, 271, 275, 280, 



283, 284, 288, 290, 291, 294, 296, 



301, 314, 315, 319, 322, 324, 331, 



333, 337, 347, 349, 350, 351, 353, 



354, 355, 356, 357, 361, 363, 373, 



377, 385, 386, 388, 389, 390, 391, 



395, 398, 399, 400, 401, 402, 409, 



414, 415, 419, 425, 426, 431, 437, 



439, 444, 450, 451, 452, 455, 465, 



469, 471, 472, 475, 479, 481, 486, 

 488, 489, 491, 496, 504, 509 

 mammary glands, 33, 114-118 

 mammary pockets, 114, 115 



mammary ridge, 116 



mammuth, 42 



mandibular articulation, 159 



mandibular cartilages, 153, 156, 157 



Manidae, 85 



marrow, 363 



marsupials, 33, 44, 203, 223, 276, 



284, 292, 297, 357, 388, 389, 399, 



400, 401, 402, 417 

 marsupium, 34, 116 

 maxillo-turbinal, 479, 480, 481 

 Meckel's cartilage, 156, 159 

 median fins, 163, 164 

 medulla, of brain, 427 

 Medusa, 60 

 Megalonyx, 37 

 Megatherium, 37 

 meibomian glands, 113, 505 

 Meissner's corpuscles, 473 

 membraneous labyrinth, 485-492 

 Merostomata, 522, 523 

 mesencephalon, 411, 425, 426 

 mesenchyme, 60, 64 

 mesenteries, 63, 261, 265, 367, 368 

 mesenteric glands, 362 

 mesodseum, 259 

 mesoderm, 60, 63, 66 

 mesodermic diverticula, 63-67 

 mesodermic somites, 68, 69 

 Mesodonta, 38, 40, 41, 45 

 mesomeres, 64, 65 

 meso-hypomeres, 64, 65, 68 

 mesogastrium, 293 

 mesonephridia, 373, 374 

 mesonephros, 370, 373-375 J 382, 



385, 386, 390, 391, 394 

 mesonephros; remains in Amniota, 



385 

 mesonephrotic duct, 374, 375, 376, 



381, 383, 385, 387 

 mesonephrotic ligament, 386, 390, 



391 

 mesonephrotic system, 373-375 ; 



vestiges of in female, 391 ; ves- 

 tiges of in male, 392 

 mesonephrotic tubules, 373, 374 

 mesopterygium, 176, 185-187 

 mesorchium, 369-387 

 mesovarium, 369, 387, 391 

 metacoele, 60, 63, 64, 365, 367, 368, 



38i 

 metacone, 278 



