CONTENTS. Xlll 



PAGE 



Researches on Bvncllia viridis No. 3 290 



Development of Chcctopoda „ 291 



Parasitism of Notommata 011 Vaucheria „ 291 



Pneumonia produced by a Filarian Worm .. No. 4 425 



On Sagitella (^Wagner) „ 425 



Development of the Annelides .. .. No. 5 563 



Anatomy of Magelonn „ 567 



Arrangement of the Nerve Cords in the Annelides , 569 



Gills of Serpula „ 570 



New Annelides from the Philippines „ 571 



Trichinosis in a young Hippopotamus ,» 571 



New Diseases of Hot-house Ruhiacece „ 572 



Female Organs of Echinorhynchus ,, 572 



Jensen's Twhellarian Worms of Norway , 573 



Reproductive Organs of the Marine Ectoparasitic Trema- 



toda )5 573 



Organization of Axine and Microcotyle ,; 574 



Life-history of the Tape- Worm of the Shrew „ 575 



New Species of Tenia No. 6 722 



Notes on the Turhellaria » 723 



Studies on the Nemertinea u 723 



Histology of Convoluta Schulzii „ 725 



Planaria Limuli ■,■> 727 



Classification of the Monogenetic Tremiitoda „ 728 



Entopat-asitic illarine Trematodes „ 728 



Helminthological Studies .. >, 729 



Ascari^ parasitic in the Lion >, 729 



Ascaris of the Orang- Outang ■,, 729 



Filaria Otarice » 729 



Muscle-cells of the Nematoids n 729 



Further Studies on the Oligochceta „ 729 



Spermatophores of the Earth-worm „ 730 



Body-cavity of the Sedentary Annelids and their Segmental 



Organs » 731 



Segmental Organs of the Capitellidas „ 733 



Lateral and other Goblet-shaped Organs of the Capitellida: „ 734 



Segmentation in Worms and Pulmonatcs No. 7 877 



Prizes for Life-histories of Entozoa „ 878 



Development and Metamorphoses of Tainia; „ 878 



Nematodes in the Caves of Camiola „ 878 



Anurma longispiiui <, 879 



Studies on the Gephyrea „ 879 



Pelagic Annelids from the Canary Islands ,, 883 



Annelid Jaws from Scotch and Canadian Pcdasozoic Rocks „ 884 



Organization of Batrachohdella Latasti, C. Vig „ 885 



New Alciopid ,, 886 



Organization and Classification of the Orthonectida ., .. ,, 886 



Echinodermata . 



Splines of Echini No. 2 171 



New Genus of Starfishes No. 3 283 



