6o6 



INDEX 



2l8, 221, 227, 220, 230, 231, 232, 



234, 235, 241, 249, 250, 265, 268, 



274, 275, 276, 278, 280, 28l, 283, 



295, 297, 298, 299, 303, 305, 312, 



316, 321, 323, 331, 333, 334, 337, 



340, 343, 344, 348, 349, 35°, 35*, 

 352, 354, 355, 364, 368, 376, 377, 

 378, 381, 384, 386, 387, 397, 399, 

 400, 406, 409, 414, 415, 422, 428, 

 429, 43°, 432, 440, 444, 447, 450, 

 455, 462, 478 



Pigment, human, 120, 130, 131, 181, 182, 



187, 188, 189, 203, 206, 212, 232, 



342, 361, 368, 370, 379, 404, 405, 



407, 414, 418, 420, 424, 425, 426, 431 



invertebrate, 20, 28, 30, 35, 38, 39, 41, 



42, 46, 53, 54 

 vertebrate, 117, 121, 166, 167, 168, 171, 

 184, 191, 214, 215, 235, 267, 268, 

 3i7, 325, 326, 328, 332, 394 



Pilobolus crystallinus, 4 



Pine, nut-bearing, 3 



Pineal body, 451, 455, 471, 472, 473 



Pinus, 11 



Placenta, 11 1 



Placobdella, 116 



Planaria, 41-44, 204 



Planarians (Turbellaria), 27, 28, 30, 31, 32, 

 41-44, 204 



Planorbis, 54 



Plant lice (see Aphids) 



Plants, 1-14 



Planula, 39-41 



Platyhelminthes (flatworms), 26, 41-46 



Pleurotrichia, 15, 16, 17, 20 



Pluteus, 48 



Podophyrae, 20 



Poly cells, 43, 44 



Polyneuritis (see also Beriberi, Vitamin B 

 and under various organs), 100, in, 

 112-113, 131, 150 



Poppy (see Papaver) 



Porifera (see Sponges) 



Postbranchial body, 447 



Potassium deficiency (see also under various 

 organs) 

 in invertebrates, 19, 31, 32, 39, 41, 48, 



5i, 52 

 in plants, 6, 7, 8, 10, 14 

 in vertebrates, 104, 105 

 Pregnancy, inanition during (see also Inani- 

 tion, maternal), 68, 69, 76, 77, 78, 

 79, 89, 102, 104, 105, 106, 112, 113 

 toxicoses of, 98 

 Prochovvnick's reducing diet, 115 



Protein deficiency (see also Amino-acids, and 

 under various organs) 

 human, 79, 100, 103, 104, 188 

 invertebrate, 22, 32, 60, 62, 65 

 plant, 6, 7, 10 



in various organs, 118, 129, 131, 140, 

 159, 247, 254-255, 256, 341, 342, 

 398, 413, 442 

 vertebrate, 80, 98, 99, 100, 101, 102, 105, 

 107, 130, 142, 153, 199 

 Proteus, 69, 76, 92, 94, 135, 215, 249, 462 

 Prothallia, 8, 9, 11 

 Protoblasten, 124 

 Protozoa, 15-25 

 Pumpkin, 3 



Pyloric stenosis, 91, 291 466 

 Pyrenoids, 9 



Quinquelocularia, 18, 34 



Rabbit (Lepus), 70, 73, 77, 78, 80, 94, 104, 

 105, 106, in, 113, 115, 118, 119, 

 121, 122, 124, 126, 127, 134, 137, 

 138, 141, 144, 154, 164, 167, 168, 

 182, 183, 184, 185, 190, 192, 195, 

 196, 197, 202, 204, 205, 209, 212, 

 213, 215, 218, 227, 228, 229, 230, 

 231, 234, 235, 241, 249, 250, 251, 

 252, 253, 256, 257, 259, 263, 265, 

 266, 274, 275, 278, 280, 284, 293, 

 295, 297, 3°2, 305, 3 o6 > 307, 3°9, 

 316, 317, 318, 331, 332, S33, 334, 

 335, 336, 337, 338, 34o, 348, 349, 

 35o, 35i, 353, 354, 357, 358, 364, 

 365, 366, 376, 377, 378, 379, 381, 



383, 384, 393, 394, 400, 406, 407, 

 409, 412, 422, 423, 425, 427, 437, 

 438, 440, 444, 450, 462 



Rachitis (see Rickets) 

 Radish, 3 

 Rana (see Frog) 



Rat (sp. ?), 77, 89, 94, 95, 101, 103, 104, 105, 

 107, 109, no, in, 113, 124, 129, 



130, I3ij *35, 1 39, 140, 143, H7, 

 148, 150, 154, 162, 169, 172, 187, 

 188, 189, 195, 199, 205, 207, 215, 

 216, 218, 219, 223, 233, 254, 256, 

 257, 258, 267, 268, 278, 280, 283, 

 295, 299, 3i8, 321, 322, 323, 332, 

 333, 334, 354, 368, 377, 379, 383, 



384, 414, 431, 443, 447, 459 

 albino, 75, 76, 78, 89, 92, 94, 95, 96, 101, 



102, 103, 104, 109, 115, 116, n8, 

 129, 131, 132, 134, 135, 138, 140, 

 141, 144, 148, 149, 154, 155, 164, 



