CONTENTS. IVll 



PACK 



Andrews, E. A. — Geographical Distribution of Crayfish 551 



PiEBON, H. — Autotomy of Crabs 551 



ScouRFiELD, D. J. — New British Cladocera 552 



Zeleny, C — Differentiation in Regenerating Antennule of Asellus 552 



Andrews, E. A. — Behaviour of Larvte of Cambarut< 552 



CHAPJiAt, F. — Neiv Cypridina from Melbourne 552 



Stebbing, T. R. R. — Fresh-ioater Ixopod from Calcutta 552 



ZoGRAF, N. V. — Phyllopod Studies 678 



Kellogg, Vernon L. — Nem Species of Artemia 678 



Daday, E. VON — Post-embryonal Development of Caridina viyckii Hicks 678 



Woodward, H. — Primitive Schizopod Crustacean.. ., 679 



Annulata. 



Jennings, H. S. — Behaviour of the Earthworm 44 



Hempelmann, F. — Maturation and Fertilisation in Saccocirrus 44 



Pierantoni, Umberto — Development of ProtodrHus and Saccocirrus 45 



Senna, Angelo — Pelagosphiera aloysii 45 



Piguet, E. — lievision of the Naididm 45 



Walton, L. B. — Naididx of North America 45 



ScHREiNER, A., & K. E. — Maturation-processes in Ophryotrocha puerilis 45 



Maisen, Hans FRErsERR \on —Sex-determination in DinopMlus apatris .. .. 45 



Soulier, A. — Fertilisation in Serpida crater 168 



Bush, K. J. — Vermilia and Pomatoceros 169 



„ Paravermilia and Pseudovermilia 169 



Shearer, Cresswell — Nephridia of Dinophilus 169 



Piguet, K. — Swiss Oligocheeta . .. 169 



Spengel. J. W. — Pelagosphsera and Sipunrulus Larvse 169 



Herubel, Marcel A. — Tumour in a Sipu,nculid 169 



LiVANow, N. — Morphology of Hirudinex 170 



Sele'SSKY,'W.— Vascular System of Piscicola 170 



Pierantoni, Umberto — Development of Saccocirrus 304 



Dechant, Engelbert — Peripheral Nervous System of Earthworm 304 



Gravier, Ch. — Antarctic Polychxts 305 



WooDWORTH, W. M. — Palolo Worm 426 



Issel. R. — New Enchylrseid " 426 



Fowler, Gr. Herbert — Antarctic and Sub-antarctic Chsetognatha 553 



FucHS, Karl — Vascular System of Chset'jpods 553 



hADHEYT, F. — Polian Tubes of Sipunculus 553 



Pierantoni, Umberto — Sex Phenomena in ProtodrHus , .. .. 553 



Nelson, J. A. — Morphology of Dinophilus conhlini sp. n 553 



KoFOiD, C. A. — Distribution of Chsetognatha 553 



Moore, J. Percy — New Polychxta from Massachusetts 679 



Elsler, E. — Operculum of Spirorbis 679 



Martiis, L. CoGNETTi DE — Neotropical OUgochxta 679 



Seitz, Philipp — Structure and Classification of Echiurus chilensis 680 



Dubois, R. — Pigment of BonelUa -^ 680 



Gunther, R. T. — Chxiognatha 680 



liematoheliuin th.es. 



Balss, H. — Abnormalities of Sex Organs in Ascaris 45 



Marcus, H. — Spermatozoa o/^sf am 46 



Galli-Valerio, B. — Trichosoma tenue in Liver of Erinaceus 46 



Guiart, J. — Pathogenic Action of Intestinal Worms 46 



Jammes, L. & A. Martix — Conditions of Development of Nematodes 305 



LiNSTow, O. von — Worm Parasites of the Russian Polar Expedition 305 



„ ■ „ New Nematodes 306 



Looss, A. — Intestinal Worms of African Pigmies 306 



Jammes, L. & A. Martin — Shell of As'-aris ouum 306 



RODHAiN, J. — Filaria of Agama colonorum 306 



Dec. 18th, 1907 h 



