847 - 



Neuroporus (Amphibia') 728 , -(Mam- 

 malia) 384. 



Neuroptera 46, 119, 310, 537, 766. 



Neu'portia 282. 



Nicoria trijuga 512. 



Nidorellia armata 390, - - michelini 390. 



Niere (Amphibia) 366, -- (Crustacea) 

 471, 496, -- (Gastropoda) 322, 332, 

 333, 482, -- (Pisces) 55, 427. 



Nierenhohlraum (Cirripedia) 496. 



Nierenkanale (B r y o z o a) 404. 



Ninia 222. 



Niphargus 492. 



Niso 547. 



Nitzschia 698. 



Nivale Wasserbeckeu 99. 



Noctiluca 335, 583, -- miliaris 11. 



Noctuae 82, 213. 



Noctuidae 211. 



Nodobacularia 301. 



Nodosaria 73, 339, 487, 585, 634, acieula 



520, adolphina 520, - ciofali 520, 



communis 520 , - di stephani 520, 



fistuca 520, himerensis 520, -- inter- 



cellularis 519, - - ovulata 520, - - rudis 



520, - - scabra 520, - - soluta 520. 



Nodosariidae 75, 109, 299, 301, 487, 

 634. 



Nodosariinae 301, 521. 



Nodosinella 634. 



Nodosinellidae 300. 



Nodule intermediaire 446. 



Nomada 120, 775. 



Nonionina 227, 487, 585. 



Nostocacea 72. 



Notaeum 597. 



Notaspidea 515. 



Notholca acuminata 755, 758, biremis 755, 



foliacea 755, 758, inermis 758, - 

 longispina 754, striata 758. 



Notochord 704. 



Notommata 755, - - tuba 645. 



Notonecta 164, comata 164, deich- 



muelleri 164, - - glauca 289, - - harnacki 

 164, - - jubata 164, - - navicula 164. 



Notonectici 164. 



Notornis alba 441. 



Nubecular>nae 301. 



Nuchaldorn 377. 



Nuchale (Chelonia) 377. 



Nuclein 619. 



Nucleinstructuren 597. 



Nucleoleuschatten 553. 



Nucleolus 619, (Ei) 269, 290, 291, 518, 

 552, 553, 582, 623, 624, 625, 628, - 

 (Driisenzellen) 742 , (Ganglienzelleu) 

 571, (I n f u s o r i a) 76, 558, (M a s t i- 

 gophora) 271, (Retina) 507, 



(Sarcodina) 34, 75, 105, 228, 230, 451, 

 - (Spermatozoon) 518 ; siehe auch Kern- 

 korperchen. 



Nucleus de diffe'renciation 682. 



Nucras 790. 



Nucula nucleus 595. 



Nudaurelia 215. 



Nudibranchia 174, 328, 513, 776. 



Nummulinidae 227, 586. 



Nummulitinae 301. 



Nyctea nyctea 732. 



Nycticorax minahassae 443. 



Nyclinomus aegyptius 590. 



Nyctotherus ovalis 586. 



Nymphalidae 165. 



Nymphaster 41. 



O. 



Obba 325. 



Oberflachenfange pelagischer Organismeu 



459. 



Oberflachentiere 457. 

 Ocellen (Hydrozoa) 562, (Insecta) 352, 



(Myriopoda) 117. 

 Ochrophoren 794. 



Ocneria eremita 217, - - monacha 216. 

 Ocnerodrilus 647. 

 Ocnus 522, javanicus 522, imbricalus 



522, - - typicus 522. 

 Octaederkernteilung 741. 

 Octocotyle 393, - - major 396, minor 396. 

 Octocoty lidae 753. 

 Octopoda 221. 

 Octopus 474, - - arcticus 220, groenlan- 



dicus 220, - - vulgaris 220, 357. 

 Ocypoda 707, 708. 

 Odinia americana 42. 

 Odouata 82, 163, 247, 718. 

 Odontaster 41, 390, hispidus 41, medi- 



terraneus 639, meridionalis 390, 



singularis 390. 

 Odoutognatha 323. 

 Odontopeltis 282. 

 Odontophoren 39. 

 Odontopyye 282, 530, 531. 

 Odostomia 547. 

 Oedura 477, 663, africana 477, nivaria 



477. 



Oenocyten (Insecta) 652. 

 Oesophagus ( A c a r i n a) 535, (Amphibia) 



365, -- (Insecta) 651, 717, -- (Nema- 



todes) 275, 276, 277, 525. 

 Ogmaster capella 390. 

 Ohmia 775. 

 Ohr (Homo) 736. 

 Oicopleura dioica 611. 

 Oicopleuridae 612. 

 Oithona minuta 495, nana 495. 

 Oliyobothrus 282. 

 Oligochaeta 24, 45, 114, 136, 154, 527, 



629, 646. 



Oligodon 62, - schadenbergi 662. 

 Olindias 687. 



Ommatophoreu (Gastropoda) 571. 

 Ommatophorenmuskel 575. 

 Ommatophoreunerv 572. 

 Omostevnalia (Reptilia) 668. 

 Omphalotropis 547. 



