CONTENTS. 
XI 
5. Lamelliforanchiata. 
Pelseneer, P. — Primitive Structure of Kidney of Lamellibranchs . . . . Part 1 
Schulze, F. E. — Crystalline Style Part 2 
Letellier, A. — Renal Function of Acephalous Mollusca „ 
Pelseneer, P. — Hermaphrodite Lamellibranchs „ 
„ „ Otocysts of Nuculidx „ 
Griesbach, H. — Blood of Lamellibranchs Part 3 
Norman, A. M. — Lepton squamosum ,, 
Voeltzkow, A . — Entovalva mirabilis 
Latter, O. H. — Anodon and Unio Part 4 
Pelseneer, P. — Lamellibranchiata Part 5 
Grobben, C. — The Bulbus Arteriosus and Aortic Valves of Lamellibranchs „ 
Blochmann, F. — The Free-Swimming Larva of Dreissena Part 6 
Francois, P. — Circulation in Area „ 
Molluscoida. 
a. Tunicata. 
Morgan, T. H. — Origin of Test-cells of Ascidians Part 1 
Salensky, W. — Embryonic Development of Pyrosoma Part 2 
Lee, A. B. — Sense-organ of Salpa „ 
Pizon, A. — Blastogenesis of Astellium spongiforme Part 3 
Giard, A. — Budding of Larva of Astellium spongiforme and Pcecilogony in 
Compound Ascidians „ 
Davidoff, M. y . — Development of Distaplia magnilarva „ 
Herdman, W. A . — Ecteinascidia and other Clavelinidas Part 4 
Garstang, W . — Tunicata of Plymouth „ 
Herdman, W. A . — Classification of the Tunicata Part 5 
„ „ Tunicata Part 6 
Garstang, W . — New and Primitive Type of Compound Ascidian „ 
j8. Bryozoa. 
Prouho, H. — Cyclatella annelidicola Part 1 
Davenport, C. B . — Cristatella Part 2 
Harher, S. F . — British Species of Crisia Part 3 
Hincks, T . — Marine Polyzoa „ 
Davenport, C. B . — Budding in Bryozoa Part 4 
Harmer, S. F. — Regeneration of Lost Parts in Bryozoa „ 
Origin of Embryos in Ovicells of Cyclostomatous Polyzoa 
Oka, A. — Freshwater Polyzoa n 
Prouho, H. — Loxosoma annelidicola Part 5 
Waters, A. W. — Characters of Melicertitidse and other Fossil Bryozoa .. „ 
Hincks, T. — Marine Polyzoa 
Braem, F. — Freshwater Polyzoa Part 6 
Prouho, H. — Free Development in Ectoproctous Bryozoa „ 
y. Brachiopoda. 
Beecher, C. E. — Development of Brachiopoda Part 3 
Francois, P. — Anatomy of Lingula Part 6 
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