Xll CONTENTS. 



PAGE 



Circulatory Organs of Stomatopoda Part 4 506 



Copepocla living in Molluscs and Ascidians „ 507 



American Parasitic Copcpoda „ 507 



Integument of Decapod Crustacea Part 5 652 



Sense of Colour among some of the Lower Animals , . . . „ 654 



New Cladocera of the English Lakes. {Plates XL and XII.') Part 6 777 



Researches on the Isopoda „ 835 



Moulting of the Shell in Limulus „ 836 



Vermes. 



Tubes of SabellidcB Parti 58 



North-Sea Annelids „ 59 



EclipidrilidcB „ 60 



Ctenodrilus pardalis „ 61 



Distichopus „ 62 



Turriform Construction by Earthworms „ 62 



Hamingia arctica „ 63 



Anatomy of Prorhynchus ,, 63 



Monograph on the Turbellarians „ 65 



Dinophilus apatris „ 67 



Life- History of the Liver Fluke „ 68 



Ankylostoma and Dochmius „ 69 



Neiv FloscularicB „ 69 



Five New Flosculcs, with a Note on Prof. Leidy^s Genera of 



Acyclus and Dictyophora. {Plates III. and IV. 



Figs. 31 and 32.) Part 2 161 



Mode of Application of the Suckers of the Leech .. .. „ 212 



Spermatogenesis in the Nemertinea „ 213 



Pilidium-Stage of a Nemertine „ 213 



Tmniada; Parasitic in Birds „ 213 



LicyemidcB „ 213 



Potifera without Potatory Organs „ 214 



Annelids of the Canary Islands Part 3 369 



Anatomy and Histology of Terebellides Stroemii .. .. „ 3G9 



Exogone gemmifera „ 371 



Structure and Development of Phoronis „ 371 



Development of Borlasia vivipar a - .. „ 372 



New Human Cestode — Ligula Mansoni „ 373 



Development of Annelids Part 4 507 



Nervous System of Hirudinea ,. „ 509 



Bite of the Leech „ 509 



Development of Phoronis „ 509 



Development of Sipunculus nudus , 510 



Sternaspis scutata „ 512 



Monograph of the Chcetognatha „ 512 



Direct Peproduction of Tainia „ 512 



Asplanchna Ebbesbornii nov. sp. {Plates IX. and X.) .. Part 5 621 



Anatomy and Histology of Polyophthalmus pictus ., ., „ 655 



Annelids from Thau „ 655 



Observations on Phreoryctes and Nais „ 655 



Glands of Morren in the Earthworm > , . „ 657 



Processes of Division and Pegeneration in Earthworms . . „ 657 



