Is the Turbellaria polyphyletic? Julian P. S. Smith IIISeth TeylerReinhard M. Rieger Phylogeny Pages: 13 - 21
The major parasitic platyhelminth classes — progressive or regressive evolution? G. Malmberg Phylogeny Pages: 23 - 29
Initial morphological diversity as a criterion in deciphering turbellarian phylogeny Yu. V. Mamkaev Phylogeny Pages: 31 - 33
Ultrastructure of the frontal organ in Convoluta and Macrostomum spp.: significance for models of the turbellarian archetype Marianne D. KlauserJulian P. S. Smith IIISeth Tyler Phylogeny Pages: 47 - 52
The phylogenetic significance of sperm morphology in the Platyhelminthes Jan Hendelberg Phylogeny Pages: 53 - 58
Phylogenetic relationships of the Temnocephaloidea (Platyhelminthes) Joan Bowman Williams Phylogeny Pages: 59 - 67
An ultrastructural and cytochemical study of the digestive system in Oxyposthia praedator (Turbellaria, Acoela) T. G. Markosova Phylogeny Pages: 69 - 70
Frontal organs in the Acoelomorpha (Turbellaria): Ultrastructure and phylogenetic significance Julian P. S. Smith IIISeth Tyler Phylogeny Pages: 71 - 78
On the evolution of central nervous systems: Implications from polyclad turbellarian neurobiology Harold Koopowitz Nervous System and Sensory Structures Pages: 79 - 87
Comparative characterization of the nervous system of the Turbellaria E. A. Kotikova Nervous System and Sensory Structures Pages: 89 - 92
Neuropeptides in free-living and parasitic flatworms (Platyhelminthes). An immunocytochemical study Marianne WikgrenMaria ReuterMargaretha Gustafsson Nervous System and Sensory Structures Pages: 93 - 99
Aspects of photoreceptor structure and phototactic behavior in Platyhelminthes, with particular reference to the symbiotic turbellarian Paravortex Alan W. PikeRobert Wink Nervous System and Sensory Structures Pages: 101 - 104
Embryology of the Turbellaria and its phylogenetic significance Mary Beth Thomas Ontogeny Pages: 105 - 115
Experimental evidence for the origins of determinative development in the polyclad turbellarians Barbara C. Boyer Ontogeny Pages: 117 - 119
Electron microscopic study of larval eye development in Turbellaria Polycladida Alberto LanfranchiCelina Bedini Ontogeny Pages: 121 - 126
Eggshell formation in polyclads (Turbellaria) Sachiko IshidaWataru Teshirogi Reproductive System Pages: 127 - 135
Fine-structural characteristics of female and male germ cells in Proseriata Otoplanidae (Platyhelminthes) Beate Sopott Ehlers Reproductive System Pages: 137 - 144
Ultrastructural features of oogenesis in some marine neoophoran turbellarians V. GremigniM. NigroM. S. Settembrini Reproductive System Pages: 145 - 150
Ultrastructural investigations on the differentiation of genital hard structures in free-living platyhelminths and their phylogenetic significance Jochen Brüggemann Reproductive System Pages: 151 - 156
Ultrastructure of the copulatory stylet and accessory spines in Haplopharynx quadristimulus (Turbellaria) David A. Doe Reproductive System Pages: 157 - 163
Comparative ultrastructure of copulatory organs having a stylet in the Proseriata (Turbellaria) Els E. Martens Reproductive System Pages: 165 - 173
Development of the reproductive apparatus of the land planarian Rhynchodemus sylvaticus (Turbellaria: Tricladida) and its significance for classification in the genus Robert E. Ogren Reproductive System Pages: 175 - 180
Cell migration and differentiation during wound healing and regeneration in Microstomum lineare (Turbellaria) Irmeli Palmberg Regeneration Pages: 181 - 188
Physiological regeneration of the digestive parenchyma in Convoluta convoluta and Oxyposthia praedator (Turbellaria, Acoela) I. M. Drobysheva Regeneration Pages: 189 - 193
Asexual reproduction, regeneration, and somatic embryogenesis in the planarian Dugesia tigrina (Turbellaria) Elena B. Krichinskaya Regeneration Pages: 195 - 200
Positional information and gonadal differentiation in the planarian Dugesia lugubris (Turbellaria) E. GhirardelliA. Di MarcotullioF. Persi Regeneration Pages: 201 - 206
On the origin of neoblasts in freshwater planarians (Turbellaria) Wataru Teshirogi Regeneration Pages: 207 - 216
Ultrastructural observations on gastrodermal regeneration in the planarian Dugesia japonica (Turbellaria) Isao Hori Regeneration Pages: 217 - 222
Protein phosphorylation and the role of Ca2+ in planarian turbellarian regeneration J. MoraczewskiI. MartellyR. Franquinet Regeneration Pages: 223 - 227
Biology of long slender land planarians (Turbellaria) in Tokyo and environs Naoya MakinoYasuko Shirasawa Regeneration Pages: 229 - 232
Karyology of a marine population of Gyratrix hermaphroditus (Turbellaria, Rhabdocoela) and chromosomal evolution in this species complex J.-P. L'Hardy Systematics and Cytology Pages: 233 - 238
Chromosomal evolution in marine triclads and polyclads (Turbellaria) Lodovico GalleniIleana Puccinelli Systematics and Cytology Pages: 239 - 242
Variation in karyotypes of Dugesia japonica japonica (Turbellaria) from Ôsaka Prefecture, Central Japan Sachiko Tamura Systematics and Cytology Pages: 243 - 249
On the karyology of Dugesia gonocephala s.l. (Turbellaria, Tricladida) from Montpellier, France Elizabeth J. de Vries Systematics and Cytology Pages: 251 - 256
Taxonomic studies on marine triclads (Turbellaria, Tricladida, Maricola) Ronald Sluys Systematics and Cytology Pages: 257 - 262
Ontogenetic patterns and phylogenetic trends in freshwater flatworms (Tricladida); constraint or selection? P. CalowD. A. Read Ecology Pages: 263 - 272
Reproductive ecology of Dendrocoelum lacteum (Turbellaria) in a rapid stream in southern Sweden and comparisons with a lake population Jan Herrmann Ecology Pages: 273 - 277
Salinity-temperature tolerance of two closely related triclad species, Dugesia lugubris and D. polychroa (Turbellaria), in relation to their distribution in The Netherlands G. Van der VeldeF. HüskenL. Van Welie Ecology Pages: 279 - 286
Distribution, abundance, and size of rhabdoids in Dugesia polychroa. (Turbellaria: Tricladida) Frederick J. Wrona Ecology Pages: 287 - 293
The importance of turbellarians in the marine meiobenthos: a review Paul M. MartensErnest R. Schockaert Ecology Pages: 295 - 303
An overview of surface specializations in the digenetic trematodes Burton J. Bogitsh Symbiotic Relationships Pages: 305 - 310
Occurrence of symbiotic turbellarians in the oyster, Crassostrea virginica Lesley C. Fleming Symbiotic Relationships Pages: 311 - 315
History of the study of Turbellaria in China. Part 1: Ages of Materia Medica and of early expeditions by westerners Kuang Yang LueMasaharu Kawakatsu History Pages: 317 - 322