Motility comparisons of two shape-distinctiveEntamoeba variants H. S. InjeyanE. Huebner OriginalPaper Pages: 209 - 220
Hyphal growth ofHypomyces chlorinus Tul.: An autoradiographic study R. DargentJane-Marie Touzé-SouletCh. Montant OriginalPaper Pages: 221 - 233
Digestion in the peritrich ciliateOphrydium versatile Lynda J. GoffJanet R. Stein OriginalPaper Pages: 235 - 254
Characean charasome-complex and plasmalemma vesicle development W. J. LucasV. R. Franceschi OriginalPaper Pages: 255 - 267
Effects of red and far-red light on cell division in the shoot apex ofSilene coeli-rosa L. D. Francis OriginalPaper Pages: 285 - 299
Division, growth, and branch formation in protonema of the mossPhyscomitrium turbinatum: Studies of sequential cytological changes in living cells L. C. W. Jensen OriginalPaper Pages: 301 - 317
Heterostyly inPrimula. 2. Sites of pollen inhibition, and effects of pistil constituents on compatible and incompatible pollen-tube growth K. R. ShivannaJ. Heslop-HarrisonY. Heslop-Harrison OriginalPaper Pages: 319 - 337
Changes in the organisation of surface rodlets during germination ofSyncephalastrum racemosum sporangiospores J. A. HobotK. Gull OriginalPaper Pages: 339 - 343
Studies on microplasmodia ofPhysarum polycephalum: II. Fine structure and function of the mucous layer K. V. WolfH. -U. HoffmannW. Stockem OriginalPaper Pages: 345 - 359
Fine structure and optical properties of an ostracode (Crustacea) nauplius eye A. AnderssonD. -E. Nilsson OriginalPaper Pages: 361 - 374
Ultrastructure of embryogenic pollen ofNicotiana tabacum var. Badischer burley A. RashidA. W. SiddiquiJ. Reinert OriginalPaper Pages: 375 - 385