Sublittoral fouling communities on Northern Coasts of Britain P. S. Meadows OriginalPaper 01 December 1969 Pages: 273 - 294
The effect of some organic micronutrients on some marine algae from Alexandria A. H. NasrInaam A. Bekheet OriginalPaper 01 December 1969 Pages: 295 - 304
Studies on Chrysophyceae from some ponds and lakes in Alaska VIII Berit AsmundEiji Takahashi OriginalPaper 01 December 1969 Pages: 305 - 321
Flow-through polarographic respirometry for aquatic animals Theodore A. OlsonMyrtle E. RuegerJames I. Scofield OriginalPaper 01 December 1969 Pages: 322 - 336
The list of new genera and type species of flagellates and algae published in 1925–1957 B. V. Skvortzov OriginalPaper 01 December 1969 Pages: 337 - 342
The list of new genera and type species of flagellates and algae published in 1959–1961 B. V. Skvortzov OriginalPaper 01 December 1969 Pages: 343 - 347
The list of new genera and type species of flagellates and algae published in 1967 B. V. Skvortzov OriginalPaper 01 December 1969 Pages: 348 - 352
A note on alarm ventilation in notonecta nymphs S. J. R. Birket-Smith OriginalPaper 01 December 1969 Pages: 353 - 357
Hydrobiological study of a tropical impoundment, tekanpur reservoir, Gwalior, India, with special reference to the breeding of Indian carps Mahendra N. Verma OriginalPaper 01 December 1969 Pages: 358 - 368
Some factors affecting the net-spinning of the Caddis fly Hydropsyche instabilis Curtis (Trichoptera, Hydropsychidae) G. N. Philipson OriginalPaper 01 December 1969 Pages: 369 - 377
The measurement of primary production and its relation to inorganic phosphate absorption in a freshwater Lake S. L. Wong OriginalPaper 01 December 1969 Pages: 378 - 391
The marine nematode Eurystomina terricola (De Man, 1907) and its distribution on British shores Richard M. Warwick OriginalPaper 01 December 1969 Pages: 392 - 400
The Bottom Fauna and Sediments in a Drying Phase of a Saline African Lake (L. Chilwa, Malawi) A. J. McLachlanS. M. McLachlan OriginalPaper 01 December 1969 Pages: 401 - 413
Cluster analysis of potomac river survey stations based on protozoan presence-absence data John Cairns Jr.Roger L. Kaesler OriginalPaper 01 December 1969 Pages: 414 - 432
Investigations on Bio-Ecology of Inland waters of Gorakhpur (U. P.) India R. SahaiA. B. Sinha OriginalPaper 01 December 1969 Pages: 433 - 447
The ecology of vascular hydrophytes on Lake Kariba D. S. Mitchell OriginalPaper 01 December 1969 Pages: 448 - 464
A Study of the Aquatic Actinomycetes of Blelham Tarn L. G. Willoughby OriginalPaper 01 December 1969 Pages: 465 - 483
Cluster analysis of occurrence and distribution of insect species in a portion of the Potomac River Selwyn S. RobackJohn CairnsRoger L. Kaesler Jr. OriginalPaper 01 December 1969 Pages: 484 - 502
Preliminary studies on algal succession in raw and stabilized sewage V. P. SinghP. N. Saxena OriginalPaper 01 December 1969 Pages: 503 - 512
Life Cycle of a Chydorid Cladoceran, Pleuroxus denticulatus Birge R. Kuo-Cheng Shan OriginalPaper 01 December 1969 Pages: 513 - 523
Limnological Features of a Tropical Meromictic Lake E. G. BozniakN. S. SchanenC. M. Keenan OriginalPaper 01 December 1969 Pages: 524 - 532
An ecological study of the algae of the River Moosi, Hyderabad (India) with special reference to water pollution V. Venkateswarlu OriginalPaper 01 December 1969 Pages: 533 - 560
Observations on the life history and ecology of some Lumbriculidae (Annelida, Oligochaeta) David G. Cook OriginalPaper 01 December 1969 Pages: 561 - 574
Diatomeen als Indikatoren des reinigungseffektes bei der trinkwasseraufbereitung L. KalbeR. KeilB. Kempke OriginalPaper 01 December 1969 Pages: 575 - 586
The calcium, chlorinity and alkalinity relationships in Plover Cove I. J. HodgkissS. L. Wong OriginalPaper 01 December 1969 Pages: 587 - 596
