Register. 



717 



Malthospongiae 78. 

 Mautelthirre 329. 

 Masticantia 684. 

 Maulhcci-keitn 20. 

 Mecoptera 702. 

 Medusae 93. 

 Medusanthae 127, 136. 

 Megacoel 415. 

 Megaloptera 701. 

 Megaplacta 446, 451. 

 Meroblasta 28, 25. 

 Merogastrula. 25. 

 Merostoina 650, 654. 

 Mesenchym 41. 

 Mesenchymaria 41, 42. 

 Mesocorallia 202, 214. 

 Mesocrinia 472. 

 Mesodrrm 41. 

 Mesolith- System 14. 

 Mesozoa 46. 

 Mesozoisch 14, 19, 362. 

 Metabola 692, 696. 

 Metamerie 602. 

 Metazoa 1. 



Metazoen- Stmnmhaum, 1 1 . 

 Metazoeu- Sy stein 1 0. 

 Meter gie 27. 

 Metoria 43. 



Metrascidiae 338, 343. 

 Microlepidoptera 708. 

 Microplacta 446, 451. 

 Micropterygia 708. 

 Mollusca 505. 

 Molluscoidea 303. 

 Molpadouia 441, 442. 

 Monactinella 78, 85. 

 Monascidiae 338, 343. 

 Monaxo/iia 31. 

 Moncestoda 246, 256. 

 Monocyclia 202. 

 Monorchonia 371, 378. 

 Monotocardia 657. 

 Mordentia 684, 710. 

 Morphologie 26. 

 Morula 20. 

 Muscheln 512. 

 Muscidariuni 35, 38. 

 Muskel- System 85, 38. 

 Myriapoda 666, 670. 

 Mysidea 662. 



Myxospongiae 78, 82. 

 Myzostomia 634, 642. 



Narcomedusae 145, 149. 

 Nahrun (jsdotter 22. 

 Nauplius 646, 657. 

 Nautilades 588. 

 Nautolenae 584, 588. 

 Nautilus 589. 

 Nectascidiae 338. 

 Nectothuriae 440, 442. 

 Nemathelminthes 292. 

 Nematoda 264, 299. 

 Nematophora 91. 

 Nemertina 264, 320. 

 Nemocera 705. 

 Neocrinida 469, 473. 

 Neocrinoidea 469. 

 Neomenida 550. 

 Nerven-System 85, 38. 

 Nesselthiere 91. 

 Neuradium 35, 38. 

 Neuroptera 701. 

 Niederthiere 5, 6. 

 Noctuaria 708. 

 Noncincta 378. 

 Nudibranchia 559. 

 Nympha 692. 

 Nymphonida 680. 



Oberthiere 5, 6. 

 Ocellata 147. 

 Octacnemida 338, 844. 

 Octactinia 202, 206. 

 Octocorallia 202, 206. 

 Octolenae 584, 591. 

 Octoperiae 228. 

 Octopodales 584. 

 Octopodaria 598. 

 Octozoantlia 202, 214. 

 Odonata 700. 

 Oecopleuridae 338, 342. 

 Olenata 373. 

 Olenida 658. 

 Oligochaeta 634, 640. 

 Olynthus 59, 79. 

 Ontogenie- 18. 

 Onychophora 670. 

 Onychopoda 670. 

 Ophioctonia 504. 



Ophiodea 487, 504. 

 Ophiurae 490, 504. 

 Ophiuroidea 487. 

 Opilioues 678. 

 Opisobantes 666. 

 Opisthobranchia 558. 

 Orocincta 372. 

 Orophocrinida 460. 

 Orthonectida 47. 

 Orthoneura 558. 

 Orthoptera 700, 710- 

 Ostracoda 650, 658. 



Palacarides 660. 

 Palacrinida 469, 473. 

 Palaeocrinoidea 469. 

 Palaeocystida 430. 

 Palaeoechinoidea 488. 

 Palaeolith- System, 14. 

 Palaeoutologie 13 — 18. 

 Palaeostraca 650, 652. 

 Palaeoxoisch 14, 19, 362. 

 Palanemertina 822. 

 Palasteriae 502, 504. 

 Palateutliyes 587. 

 Palechinida 488, 488. 

 Palingenese 20. 

 Palophiurae 495, 504. 

 Panorparia 702. 

 Pantopoda 666, 680. 

 Paractinota 438, 442. 

 Parannelida 634. 

 Paraxadenia 418. 

 Paraxon-Drüse 418. 

 Paraxon-Sinus 415. 

 Parblastoida 461, 462. 

 Parcystidea 451. 

 Pauropoda 672. 

 Pectostraca 658. 

 Pediculida 708. 

 Pedipalpi 677. 

 Pelagothuriae 440, 442. 

 Pelecj'poda 566. 

 Pelvicata 472. 

 Pentacrinacea 472. 

 Pentactaea 355. 

 Pentactula 354. 

 Pentamera 708. 

 Pentastoma 643. 

 Pentorchonia 371, 878. 



