— 377 



Pharynx bulbosus 224. 



— compositus 222. 



— doliiformis 227. 



— plicatus 223, 224. 



— rosulatus 224. 



— Simplex 222. 



— variabilis 228. 

 Phonorhyndius 327. 



— lemanus 233. 

 Phototaxis 133ff., 314. 

 Pigmentbecher 80. 

 Plagiostomiden, 234, 328. 

 Plaglostomum 210. 



— girardi 273, 307, 308, 345. 



— lemani 234, 320, 321, 330. 

 Planaria albissima 66, 179, 



197. 



— alpina 9, 22, 42, 66, 74, 77, 

 81, 85, 89, 96, 103, 105,107, 

 110, 111, 112, 113. 114, 116, 

 130, 146, 151, 153, 154, 157, 

 159, 162f., 178, 181, 190. 



— anophthalma 83. 



— cavatica 66, 83, 151, 162, 

 177, 181, 196. 



— fissipara 112, 113, 114. 



— fusca 179, 182, 201. 



— gonocephala 9, 20, 21, 25, 

 66, 69, 74, 77, 78,79, 81, 82, 

 84, 85, 91, 100, 102, 103, 

 107, 108, 109, 110, 111, 112, 

 114, 116, 119, 122, 142, 145, 

 151. 152, 153, 158, 162 f., 178, 

 185, 192, 342. 



— gracilis 130. 



— lugubrls 42, 66, 69, 81, 85, 

 99, 100, 103, 105, 110, 116, 

 126, 138, 144, 146, 151, 161, 

 182, 185, 194, 268. 



— macrocephala 201. 



— maculata 112, 113, 114, 117, 



— montenigrina 130. 



182, 



78. 

 109, 

 129, 

 158, 



173, 



42, 

 83, 

 105, 

 113, 

 146, 

 182, 



91, 

 122, 

 179, 



126. 



Planaria polydiroa 22, 66, 69, 74, 

 77, 79, 81, 85, 99, 100, 102, 151, 

 161, 179, 182, 195. 



— subtentaculata 112, 113, 201. 



— teratophila 86, 110, 130, 131. 



— torva 42, 66, 81, 83,85,116,117, 

 146, 151, 153, 161, 179, 181,185, 

 196, 259, 344. 



— unionicola 95. 



— vitta 10, 21, 66, 81, 110, 112, 

 113, 114, 151, 160, 162, 171,172, 



178, 181, 193, 318. 



— vruticiana 179, 182, 201. 

 Planula 352. 



Plastische Rekonstruktion 14. 



Plathelminthes 2. 



Plexus 71. 



Plicastoma 328. 



Polarität 127. 



Polycelis 66, 67, 80, 81, 84, 141. 



— cornuta 9, 21, 22, 42, 66, 74, 

 103, 105, 110, 111, 112, 113,114, 

 146, 151, 153, 158, 159, 162ff., 179, 

 183, 199. 



— nigra 22, 66, 95, 125, 151, 160, 

 161, 179, 183, 185, 1*98. 



Polycladen 5, 69, 74, 250, 347. 

 Polycladodes alba 21, 66, 67, 68, 

 83, 84, 89, 97, 110, 134, 146, 151, 



179, 183, 189. 

 Poiycystidae 327. 

 Polycystis 327. 



— goettei 233, 322, 330. 

 Polypharyngie 85, 130. 

 Pomacentriden 213. 

 Procerodes 95. 



— dohrni 100, 101. 



— lobata 101, 174, 175. 



— segmentata (syn. P. lobata) 118. 



— ulvae 85, 175. 

 Procerodidae 174. 

 Promesostoma 326. 



