Involution of the caudal musculature during metamorphosis in the ascidian, Botryllus schlosseri S. SchiaffinoP. BurighelMaria Grazia Nunzi OriginalPaper Pages: 293 - 305
Encapsulation of foreign materials experimentally introduced into the freshwater snail Lymnaea stagnalis T. SminiaElly Borghart-ReindersA. W. van de Linde OriginalPaper Pages: 307 - 326
Fine structure of antennal grooved pegs of the mosquito, Aedes aegypti Susan B. McIver OriginalPaper Pages: 327 - 337
Cytoplasmic membrane changes in conjugating Tetrahymena C. J. FlickingerR. L. Murray OriginalPaper Pages: 357 - 364
Morphology of the gill epithelium of the Lungfish, Lepidosiren paradoxa D. E. Wright OriginalPaper Pages: 365 - 381
Development of rat dorsal root ganglion neurones Sarah N. LawsonK. W. T. CaddyT. J. Biscoe OriginalPaper Pages: 399 - 413
Interdigitating cells in the white pulp of the human spleen U. HeusermannH. J. StutteH. K. Müller-Hermelink Short Communication Pages: 415 - 417