CONTENTS. XV 



I'AGE 



Michaelsen, W. — Enchytrxidx Part 1 40 



Deago, W. — Parasite of Telphusa „ 40 



Cunningham, J. T. — Anatomy of Polychseta „ 41 



Geaff, L. v. — Annelid Genus Spinther n 42 



Simonelli, V. — Structure of Serpula ?J 42 



Salenskt, M. — Development of Annelids Part 2 218 



Bourne, A. G. — Vascular System of Hirudinea 219 



Brunotte, C. — Structure of the Eye of Branchiomma 219 



Vejdovsky, F. — Larval and Definite Excretory Systems in Lumbricidse . . „ 220 



Beddaed, F. E. — Reproductive Organs of Moniligaster 221 



„ „ So-called Prostate Glands of 01 igoch seta „ 221 



Roule, L. — Histology of Pachydrilus enchytrxoides 222 



Benham, W. B. — New Earthworm „ 222 



Meyer, E. — Organization of Annelids „ 222 



Joyeux-Laffuie, J. — Nervous System of Chxtopterus Valencinii .. .. „ 225 



Feaifont, J. — Polygordius , 225 



Souliee, A. — Formation of Tube of Annelids Part 3 418 



Horst, R. — Cardiac Body of Annelids M 418 



Eisig, H. — Monograph of the Capitellidx „ 418 



Lehmann, O. — Homology of Segmental Organs and Efferent Ducts of Genital 



Products in Oligochxta n 41 f) 



Beddaed, F. E. — Structural Characters of Earthworms „ 420 



Fletcher, J. J. — New Australian Earthworms „ 420 



Beddaed, F. E. — Nephridia of Earthworms ,, 421 



„ „ Anatomy of Allurus tetraedrus „ 421 



,, „ Anatomy of Perichxta ,, 422 



„ „ Mucous Gland of Urochxta „ 422 



Haswell, W. A. — Embryology of Vermilia exspitosa and Eupomatus elegans Part 4 578 



Beddaed, F. E. — Reproductive Organs of Phreoryctes „ 579 



Bouene, G. C. — Kleinenberg on Development of Lopadorhynchus .. .. „ 579 



Kukenthal, W. — Experiments on Earthworms „ 580 



Kulagin, N. — Russian Lumbricidse , 581 



Eisen, G. — New Annelid, Sutroa rostrata „ 582 



Stokes, A. 0. — Two new Aquatic Worms from North America „ 582 



Collin, A. — Criodrihs lacuum Part 5 733 



Roule, L. — Formation of Embryonic Layers and Ccelom of a Limicolous 



Oligochxte „ 735 



Cunningham, J. T. — Nephridia of Lanice conchilega „ 735 



Michaelsen, W. — New Enchytrxidse, „ 736 



Apathy, S. — External Morphology of Hirudinea Part 6 950 



Heymann, J. F. — Nerve-endings in the Leech „ 952 



Feiedlander, B. — Creeping Movements of Earthworm „ 952 



Bergh, R. S. — Excretory Organs of Criodrilus „ 953 



/3. Nemathelminthes. 



Carnoy, J. B. — Maturation and Division of Ascaris Ova Parti 42 



„ „ Polar Bodies in Ascaris „ 43 



Zachaeias, O. — Fertilization of Arcaris megalocephala tJ 43 



Laboulbene, A. — Larval Stage of Species of Ascaris „ 45 



Lee, A. Bolles — Spermatogenesis in Chsetognatha Part 2 227 



Cameeano, L. — Life-history of Gordius „ 228 



Villot, A. — Development and Specific Determination of Gordii 228 



Bos, J. Ritzema — Natural History of Tylenchus f} 229 



Koehler, R. — Structure of Echinorhynchi Part 3 422 



Beneden, E. YAN — Fertilization and Segmentation in Ascaris megalocephala „ 423 



