P. A. ANNUNE AND S. U. AJIKE Acute Toxicity and Gill Morphology of Oreochromis niloticus (Trewavas) Exposed to Rogor* 

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J. W. WADE AND H. P. STIRLING. Fertilization of Earth Ponds. I: Effects on Physico-Chemical Characteristics and Eutrophication of Pond Water and Soil 

 5

Abstract

J. W. WADE AND H. P. STIRLING. Fertilization of Earth Ponds. II: Effects on Plankton Communities 

13

Abstract

J. W. WADE AND H. P. STIRLING. Fertilization of Earth Ponds. III: Effects on Benthic Macro Invertebrates and Ecological Inter-Relationship with Aquatic Macrophytes

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Abstract

J. N. AGUIGWO. Studies on the Biology of Larvae of Clarias albopunctatus (N. & L.): Effect of Different Diets on the Growth and Survival of Larvae

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Abstract

F. A. OGUZIE. The Seasonal Food Habits of Oreochromis niloticus (Osteichthys: Siluriformes) in the Ikpoba Reservior, Benin City, Nigeria

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Abstract

S. O. MUSA AND E. OMOREGIE. Haematological Changes in the Mudfish, Clarias gariepinus (Burchell) Exposed to Malachite Green

 37

Abstract

E. C. KEMDIRIM. The Effects of Refinery Effluent of the Chlorophyll a and Gross Primary Productivity of River Rido

 43

Abstract

S. S. OGBOGU. The Effects of Temperature on Egg Development African Mayfly Povilla adusta (Ephemeroptera: Polymitarcidae) 

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Abstract

J. F. ALFRED-OCKIYA. Microbial Flora of Partially Processed Periwinkles (Tympantotonus fuscatus) from Local Markets in Port Harcourt, Nigeria 

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ABSALOM, K. V. OMOREGIE, E. AND IGBE, A. M. Effects of Kidney Bean, Phaseolus vulgaris Meal on the Growth Performance, Feed Utilization and Protein Digestibility of the Nile Tilapia 

 55

Abstract

V. F. OLALEYE, AND O. A. AKINYEMIJU. Flora and Fauna of Abiala Creek, Niger Delta, Nigeria 

61

Abstract