International Review of General and Experimental Zoology

International Review of General and Experimental Zoology, Volume 4 discusses the epibranchial organs in lower teleostean fishes, an example of structural adaptation; the aging and regression in the colonial marine hydroid Campanularia flexuosa, with special reference to senescence in hydroids; and the structure and characteristics of avian egg shells. The text also describes tissue mast cell and wound healing; the quantitative aspects of neurohistology; and the concept of the rods and cones approach. The strong relationships between the feeding behavior of marine organisms and biological conditions expressed in evolutionary terms are also considered. Zoologists, physiologists, biochemists, and people involved in the study of fish and wildlife services will find the book invaluable.

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List of Contributors
Epibranchial Organs in Lower Teleostean Fishes-An Example of Structural Adaptation
I. Introduction
II. Distribution of Epibranchial Organs
III. Position of Epibranchial Organs within the Fish
IV. Accessory Elements
V. Morphology
VI. Histology and Innervation
VII. Ontogeny
VIII. Food Contents
IX. Function
X. Phylogeny
XI. Summary
References
Aging and Regression in the Colonial Marine Hydroid Campanularia flexuosa with Special Reference to Senescence in Hydroids
I. Introduction
II. Development of Campanularia Hydranth Morphology
III. Nature of Hydranth Regression
IV. Comparison of Calyptoblastic (Thecate) and Gymnoblastic (Athecate) Hydroid Aging Phenomena
V. Control of Hydranth Aging
VI. Perspective
References
Avian Egg Shells: Their Structure and Characteristics
I. Introduction
II. Nomenclature
III. Structure
IV. Chemical Composition
V. Pores and Porosity
VI. Pigmentation
VII. Thickness
VIII. Strength
IX. Incubation
X. Abnormalities
XI. Conclusions
References
The Tissue Mast Cell and Wound Healing
I. Introduction
II. Definition of a Tissue Mast Cell
III. Historical Review
IV. Morphology of the Tissue Mast Cell
V. Distribution
VI. Functions of the Tissue Mast Cell
VII. Previous Experimental Methods and Observations on Mast Cells and Wound Healing
VIII. Discussion
IX. Conclusion
References
Quantitative Aspects of Neurohistology
I. Introduction
II. Methods
III. Observations on Adult Animals
IV. Changes during Development
V. Postembryonic Changes
VI. Quantitative Aspects of Nerve Regeneration
VII. Concluding Remarks
Addendum
References
Rods and Cones-A New Approach
I. Introduction
II. Materials and Methods
III. Historical Survey
IV. Receptors and Duplicity Theory
V. Anomalous Receptors
VI. The Components of the Photoreceptor
VII. The "One-to-One" Theory and The Silver Methods
VIII. Photomechanical Movement
IX. Staining, Histochemical, and Physical Differences
X. New Classification and Discussion
References
Energetics and Feeding in Shallow Marine Waters
I. Introduction
II. Primary Producers, Standing Crop, and Primary Production
III. Producers at Higher Levels
IV. Food Niches and Species Diversity
V. Feeding Interactions in Shallow Waters
VI. Summary and Conclusions
References
Author Index
Subject Index