3G0 



i'laiiaiia — Platycnomis 



P 1 a n a !■ i a. 



— hepatica 15, ISO. 



— latiuscula 15, 180. 



— polychroa 8, 134; 13, 40.5. 



— st.rigis 17, 490. 



— subteiitacula 3, 1016; 8, 174. 



— teres 12, 680. 



— torva 8, 1P>4; S7, 409. 

 Plaiiaxis Uibiosns 20, 408. 

 Pianos niinutiiH 7, 710. 

 Planipeniiia 19, 601. 

 Planiulidae S6, 745. 



Plankton, Beziehungen zu dem Gehalt 

 des Wassers an gelösten Stoffen 18. 

 1—15. 



— Crustaccen, pacifische 19, 629 — 646. 



— Einfluß des Salzgehaltes tier Gewässer 

 18, 16-62. 



— Expedition, Tripyleen-Ausbeute 15, 

 5t)3 — 577; 19, 733—760. 



— Studien, theoreti.^che 18, 1 — 62. 

 Planktonetta 15, 571. 



— atiantica 1.5, 570, 571! 19, 750. 

 Planorbis 4-, 979, 980; 5, 924, 925; 



10, 180; S4, 620. 



— albus 4, 965. 



— bowkeri 10. 193. 



— carinatus S2, 47. 



— contoitus S2, 48. 



— corneus 3, 98, 99. 



— cornu 4, 965. 



— cornu tus S6, 45. 



— costuiatus 10. 181, 193. 



— crawfordi 10, 193. 



— ehrenbergi 4, 965 — 966! 



— emicans 10, 193. 



— marginatus S2, 48. 



— multiformis 1, 258. 

 natalensis 10, 193. 



— pfeifferi 10, 180, 193. 



— umbilicatus v. subangulata 4, 966! 

 978. 



Plantage» albicans, Cocid. 7, 307. 

 Plastenis retnsa SI, 48, 110; S2, 71. 



— subtusa SI, 110; S2, 71. 

 Platalea ajaja 16, 24. 



— leucorodea (leucorodia) 0, 150; 12, 

 684. 



Plataleidac S4, 678. 

 Platanista 5, 382; 12, 558, 559; 15, 

 257. 



— croatica 1.5, 256. 



— gangetica 12, 5.58, 559; 1.5, 203, 

 204. 



— palaeoponto|)oria 1.5. 262. 

 Platatherinni 18, 330. 

 Platea S4, :!2:5. 



— insignis S4, 323—324! .336; t 20 

 f 12. 



Platessa flesns 3, 107. 



Platessa. 



— passer 14, 507, ;508. 



— vulgaris 8, 251. 

 Plathelmintlien, F<»rts<'lir. a. d. Gobiot 



d. Systematik, Biologie n. geograpli. 



Verbreitnng 188.5—1887 3, 1015- 



1022. 

 Plathelinintbes 19, 45; S2, 91—92. 

 Platinopns 7, 918. 



— melanoleucas 7. 918. 

 Platops 13, 48. 

 Plator 12, 418. 

 Platnrns 13, 422, 428. 



— colubrinus 13, 422, 432; t 28 f 12. 



— fasciatus 6, 192. 



— latieaudatus 13, 423; t 27 f 4. 

 Platyaspis 15, 613, 615; 16, 428, 429. 



— lenoiri 15, 613; 16, 418, 428, 429, 

 783. 



Platybenia 5, 505. 



— rugosuni .5, 505. 

 Platyblenimus 9, 555; 17, 13. 



— batnensis 17, 10. 



— fiuoti 9, 555; 17, 10. 



— luctuosus 17, 10. 



— lusitanicus 17, 10. 



— unibraoulatus 16. 402! 17, 10. 

 Platybnnus minis S6, 169. 



— triangularis 13, 89. 

 Platvcarcinns dentatns 7, 427 ; S5. 



759. 



— irroratus 7, 425, 426; S.5, 759. 



— longipes 7, 424 ; S5, 760. 



— novae-zelandiae 14, 45i*. 



— pagurus 3, 1015; 7, 424. 



— productus 7, 425. 

 Platvcephala 14, 94, 95, 97, 98. 



— planifrons 14. 94, 96, 101. 

 Platvcercidae .3, 687, 693, 695, 699, 



702. 

 Platyeercomvs platvurus 4, 1087. 

 Platycercns 3, 689;' 15, 267, 287, 291. 



— exiniius 15, 287. 



— xanthorihous 15. 287. 

 Platychalina 2, 566, 741, 748, 754, 



792! 



— foliacea 2, 745, 754, 792. 

 Platycheirus albimanus S2, 79. 



— scutatils S2, 79. 

 Platvcleis 9, 547; 17, 25. 



— affinis 9, 547; 17, 9. 



— grisea 9, 547; 14, 292; 17, 9. 



— intermedia 17, 9. 



— kabvla 17, 9. 



— laticauda 9, .547; 16. .397; 17. 9. 



— roeseli 14, 292, 298, 299; t 16 f 17, 

 18. 



— seniae 17. 9. 



— tessellata 9, 547; 16, 397; 17, 9. 

 Platycnemis 9, 610. 



