J, CONTENTS. XVU 



PAQK 



Hallez, P. — New Sense-organ in Mesostoma Part 3 449 



Jaworowski, A. — Mesostoma personatum , 449 



Plessis, G. — Fresh-ivi tier Monot idee „ 449 



LoED, J. E. — Rotifers „ 450 



F., M. — Keeping Melicerta ringens alive , 450 



Bergh, R. S. — Generative Organs of Eirthworms Part 4 608 



,, „ Ovum of Clcpsine and Gnathobdellidse „ C09 



Whitman, C. O. — Leeches of Japan „ 609 



Bergh, R. S. — Metamorphosis of Aulostoma gulo „ 61 1 



Haswell, W. A. — Structure of the Glandular Ventricle of Syllis .. .. „ 613 



Beddaed, F. E. — Ovaries and Oviducts of Eudrilus „ 613 



Saint- Loup, R. — New IchthyohdcUid „ 613 



M'Intosh, W. C, k R. Marcus Gunn — • Challenger' Polychxta.. .. „ 614 



HuBRECHT, A. A. W. — Embryology of the Nemertinea ,, 614 



Passerini, N. — Filaria termhialis , 615 



Blanchard, R. — Notes on Entozoa „ 617 



Hamann, 0. — Anatomy of 'leenia I ineata , 617 



Dutilleul, G. — Genital Organs of Pontohdellamuricnta „ 618 



Graff, L. V. — Turhellaria of Lesina ,, 619 



Nausen, F. — Anatomy and Histology of My zostom'da „ 619 



Zacharias, O. — New Rotifer „ 621 



Kellicott, D. S. — New Floscule „ 621 



Whitman, C. O. — Differentiating Embryonic Tissues Part 5 794 



Oerley, L. — The Rhahditidx „ 794 



Poieier, J. — Excretory and Nervous System of Dut'ilersia and Soleno- 



phorus „ 795 



Fritsch, G. — Parasites of MalapteruriirS „ 795 



BoHMlG, L. — Studies on Rhabdocoel Turbellarians ,, 796 



Delage, Y. — Histology of Acwlous Rhabdoccela „ 796 



Remy DE Saint-Loup — Cephalic Pits of Nemertines „ 797 



Korotneff, a. — Ctenoplana Koumlevskii „ 797 



Bell, F. Jeffrey — Bipalinm kewense „ 799 



Hastings, W. N. — Floscidaria omata , 799 



Zacharias, O. — Revivification of Rotatoria aiid Tardigrada „ 799 



Bateson, W. — Development of Balanoglossus ,, 800 



Chworostanky, C — Genital Organs of Hirudo and Aulastoma .. .. Part 6 980 



Neuland, C. — Reproductive Organs of Earthworms „ 980 



ViALLANES, H. — Endothelium of Lumbricus and Arenicola „ 980 



Beddaed, P\ E. — Acnnthodrilus Layardi , „ 981 



„ „ Microchieta rappi „ 981 



Benham, W. B. — Studies on Earthworms „ 981 



Beddard, F. E. — Variations in Perionyx excavatus „ 982 



Stolc, A. — Anatomy of the Naidomorpha „ 982 



Rohde, E. — Histology of the Nervous System of Chxt'poda „ 983 



JouRDAN, E. — Antennse of Eunicidse „ 983 



Viallanes, H. — Branchial Skeleton of Sabella „ 984 



Zittel, K. v., & J. V. RoHON — Conodonts ,, .. „ 984 



Rietsch, M. — Armed Gephyrea or Echiuroids „ 984 



Vejdovsky, F. — Morphology of the Gordiidie „ 988 



Linstow, O. v. — Intermediate Host of Ascaris bim'hicoides „ 989 



Pennetier, G. — Vitality of Smut-Anguillulx „ 989 



Ser. 2.— Vol. VI. h 



