xvi CONTENTS. 



PAGB 



\muci. I. New Trematode 257 



Stewart, I-'. II. Structure of New Polystomum - _'">7 



Nicoll, William — Trematode Parasites of Australian Birds 257 



Beddakd, F. K. — New Genus of Tapeworms 258 



Fuhrmann. ("). — Fimoriaria 258 



Baylis. H. A. — New Avian Cestode 259 



Paulian, Demettre Em. — Toxic. Action of Intestinal Worms :;»J8 



Barker, F. D. & — Parsons — New Trematode from Terrapin 369 



Whitbhouse, R. H. — Terrestrial Planarians from Abor Country X69 



CmLD, C. M. — Effect of Section in Planar i lans 369 



., „ Head-regeneration in Pieces of 1 'I anuria 370 



Southwell, T. — New Species of Amphi! in a 482 



Heddakd, F. E. — Structure of Amubilia 182 



( ooper, A. R. — Life-history of Proteocephalus anibloplitis |s:j 



Nicoll. W. — Neio Liver-fluke from a Kestrel 4K\ 



Cooper, A. R. — New Cestode 580 



Baylis, H. A. — New Species of Zschokleella 58] 



MacCallum, G. A.— New Tremutwles 581 



Cort, W. W. — North American Larval Trematodes 582 



Incertae Sedis. 



Stiasny, G. — Development of Bulanoglossus cluvigeru* 38 



Caullery, M. — Enigmatical Animal 259 



White, H. T. — Bryozoa of Georgiun Bay :;71 



Annandale, Nelson — Austrulellu and Allied Polyzoa :!71 



Hett, Mary L. — New Pentasiomids 4So 



Rotatoria. 



Whitney, David D. — Sex-determination in Hydatina senta o71 



S hull, A. Franklin — Inheritance of Hydatina senta :;71 



Mitchell, Claude W., & J. H. Powers— Transmission of Induced Churuclen in 



Asplanchna amphora 483 



Echinoderma. 



Fuchs, H. M. — Echinus Hybrids 39 



Gemmill, J. F. — Development of Common Starfish 39 



Pearson, Joseph — Studies on Holothuroids 40 



Koehler, O. — Variability in Hybrid Echinoids 149 



Crozier, W. J. — Variability in Bays of Starfish 149 



Ortox, J. H. — Notes on Hoi othurians 149 



Gemmill, James F. — Abnormal Gills of Porania pulvillns 259 



Mortensen, Th. — Development of some Japanese Echinoderms 259 



Robert, A. — Tetramerous Sea-Urchin 260 



Koehler, Rene — Indian Ocean Spa tang idse 260 



Gemmill, James F. — dilution of Aster ids :;72 



Lillie, Frank R. — Mechanism of Fertilization in Arbacia 374 



Gemmill, James F. — Larva of Porania pulvillus 484 



„ „ Asteroid Larvae .. .. 485 



