CONTENTS. XIX 



PAGE 



Gkassi, B. — Developmental Cycle of Tmnia nana Part 6 961 



Grobben, C. — Malformed Example of Teenia saginata 



BoHMiG, L. — Sensory Organs of Turhellaria 



„ „ Planaria Iheringii 



Schmidt, F. — Graffilla Brauni 



Weltner, W. — Dendrocxlum punctatum 



962 

 962 

 963 

 963 

 964 



S. Incertse Sedis. 



GossE, p. B..— Twenty-four New Species of Rotifera. {Plates I. and II.) . . Part 1 1 



Tessin, G. — Ova and Development of Botatoria „ 94 



KOEHLEE, R. — Natural History of Orthonectida ,, 95 



Marion, A. F. — Two New Species of Balanoglossus ,, 95 



Zelinka, 0. — Studies on Rotatoria Part 2 243 



Haldeman, G. B. — Tornaria and Balanoglossus ,. 245 



GosSE,F.H.— Twelve New Species of Rotifera. {Plate V 11 I.) Part 3 361 



BoTJRNB, A. G. — Rotifera » 4*^5 



Stevens, T. S. — Key to the Rotifera )? 405 



Weldon, W. F. E. — Balanoglossus Larva Part 4 597 



Plate, L. — Ectoparasitic Rotifers from tJie Bay of Naples Part 5 757 



Wagner, F. v. — -Myzostoma BuccMchii » 758 



GossE, P. H.— Twenty-four more New Species of Rotifera. (Plates XIV. 



and XV.) Part 6 861 



Braun, M. — Dicyemidm » 964 



Reinhard, W. — Anatomy and Systematic Position of Ecliinoderes „ 964 



Repiakhofp, W. — Dinophilus gyrociliatus )> 965 



Trimen, R. — Bipalium kewense >> 966 



Hood, J. — New Rotifer „ 966 



Weldon, W. F. R. — Balanoglossus Larva from the Bahamas .. ..- .. .. „ 966 



Echinodermata. 



Theel, H. — Holothicrioidea of the ^ Blake ' Expeditions Part 2 245 



Prouho, H. — Development of Generative Apparatus of Echinids „ 245 



Haacke, W. — Distribution of Sea- Urchins „ 246 



CuENOT, L. — Formation of Genital Organs and Appendages of the Ovoid Gland 



in Aster ids ,5 246 



Dendy, A. — Twelve-armed Comatula • jj 247 



Carpenter, P. H. — Morphology of Antedon rosacea „ 247 



„ „ Supposed Symbiotic Alg Be in A. rosacea „ 247 



Perriee, E. — So-called Heart of Echinoderms . . . • Part 3 406 



Protjho, II. — Organization of Echinoidea » 406 



Preyer, W. — Movements of Star-fishes „ 406 



Baerois, J. — Homologies of Larvse, of Comatulidse 5, 408 



Duncan, P. M. — Mergui OpUurids Part 4 598 



Preyer, W. — Movements of Star-fishes Part 5 758 



Koehlee, R. — Circulatory Apparatus of Ophiurids ,5 761 



Haacke, W. — Radial Symmetry of Echinoids » 762 



Wachsmuth, C., & F. Speinger — Morphological Relations of Summit-plates in 



Blastoids, Crinoids, and Cystids n 763 



Semon, R. — Synaptidm of the Mediterranean » 764 



Fewkes, J. W. — Development of Calcareous Plates of Amphiura Part 6 966 



KoLESCH, K. — Eocidaris » 967 



Bell, F. Jepfeey — New Holothurians j? 967 



Herouabd, E. — Colochirus Lacazii » 967 



h 2 



