xii CONTENTS. 
Molluscoida. 
a Tunicata. 
Oka, A. — Budding of Botryllus Parti 
Willey, A. — Studies on the Protochorda .. Part 2 
Metcalf, M. M. — Eyes and Central Nervous System of Salpa „ 
Goppert, E . — Optic Organ of Salpa „ 
Pizon, A . — Blastogenesis in Botryllidse Part 3 
Griffiths, A. B. — New Respiratory Globulin of Tunicates „ 
Day (doff, M. Y. — Canalis Neurentericus Anterior „ 
Salensky, W. — Origin of Metagenesis in Tunicata Part 4 
Jourdain, S. — Deglutition in Synascidiae 
Salensky, W. — Nervous System in Embryos of Distaplia 
Brooks, W. K. — Origin of Organs of Salpa 
„ „ Nutrition of Embryo of Salpa .. 
Metcalf, M. M. — New Species of Octacnemus 
Newstead, A. H. L. — Perivisceral Cavity of Ciona Part 5 
Hjort, J. — Development of Tunicates „ 
Brooks, W. K. — Salpa in Relation to the Evolution of Life Part 6 
Willey, A. — Neuro-hypophysial System of Tunicates „ 
„ „ Position of Mouth in Larvae of Ascidians „ 
B. Bryozoa. 
Fowler, G. Herbert — Structure of Rhabdopleura Part 1 
Harmer, S. F . — Embryonic Fission in Cyclostomatous Polyzoa Part 2 
Hincks, T . — General History of Marine Polyzoa „ 
Demade, P . — Statoblast of Phylactolxmata „ 
Dayenport, C. B. — Urnatella gracilis Part 3 
Cori, C. J . — Nephridia of Cristatella „ 
Gregory, J. W . — Classification of Cheilostoma Part 4 
Hincks, T . — Marine Bryozoa Part 6 
y. Brachiopoda. 
Fischer, P., & D. P. Oehlert — Development of Brachial Apparatus 
of some Brachiopods Part 3 
Blochmann, F . — Structure of Brachiopoda Part 4 
Crane, Agnes — New Classifications of Brachiopoda Part 5 
Williams, H. S . — Brachial Apparatus of Hinged Brachiopoda .. .. Part 6 
Arthropoda. 
Bernard, H. M . — Origin of Tracheae of Arthropoda from Setiparous Sacs Part 1 
Taschenberg, O . — Parthenogenesis Part 2 
Viallanes, H . — Compound Eye of Arthropods „ 
Viallanes, H. — Nerve-centres of Arthropoda Part 3 
Zograf, N . — Origin and Relationships of Arthropoda „ 
Pocock, R. I . — Classification of Tracheate Arthropoda Part 5 
a. Insecta. 
Rasp ail, V. — Development of Melolontha vulgaris Part 1 
Bugnion, E. — Structure and Life-history of Encyrtus fusicollis .. .. „ 
Wasmann, E. — International Relations of Lomechusa „ 
Verhoeff, C. — Facts concerning Sex and Reproduction in Hymenoptera . . „ 
„ „ Use of Spines in Nymphs of Hymenoptera „ 
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