TY  - BOOK
AU  - Needham,James G.
AU  - Needham,Paul R.
TI  - A guide to the study of fresh-water biology
SN  - 0070461376
AV  - QH96 .N38 1962
PY  - 1962///
CY  - Boston
PB  - WCB/McGraw-Hill
KW  - Freshwater organisms
KW  - Identification
KW  - North America
KW  - Collection and preservation
N1  - General references --; part 1; Aids to the recognition of fresh-water algae, invertebrates, and fishes --; Keys, charts, tables --; 1; Algae --; Key 1 : Algae --; Plate 1A : Blue-green algae --; Plate 1B : Green algae --; Key 1C : Desmids (Desmidiaceae) --; Plate 1C : Desmids --; Key 1D : Diatoms (Bacillariophyceae) --; Plate 1D : Diatoms --; 2; Protozoans --; Table 2A : Protozoans --; Plate 2A : Protozoans --; Table 2B : Protozoans --; Plate 2B : Protozoans --; 3; Miscellaneous invertebrates --; Plate 3 : Miscellaneous invertebrates --; 4; Rotifer --; Key 4 : Rotifers --; Plate 4 : Rotifers --; 5; Molluscs (Mollusca) --; Key 5 : Molluscs --; Plate 5 : Molluscs --; 6; Crustaceans (Crustacea) --; Chart 6A : Classification of fresh-water crustacea --; Plate 6A : Crustaceans : Malacostracans and branchiopods --; Chart 6B : Recognition characteristics of fresh-water crustacea --; Plate 6B : Crustaceans : Cladocerons, Copepods, and Ostracods --; Key 6 : Crustaceans; Insects --; Key to the orders of aquatic insect larvae --; Chart : Recognition characteristics of commoner forms of aquatic insect larvae --; 7; Key 7 : Hellgrammites (Megaloptera and Neuroptera Larvae) --; Plate 7 : Miscellaneous insects --; 8; Stonefly Nymphs (Plecoptera) --; Key 8 : Stonefly Nymphs --; Plate 8 : Stonefly nymphs --; 9; Mayfly Nymphs (Ephemeroptera) --; Key 9 : Mayfly Nymphs --; Plate 9A : Mayfly Nymphs --; Plate 9B : Mayfly Nymphs --; 10; Dragonfly and Damselfly Nymphs (Odonata) --; Key 10 : Dragonfly and Damselfly Nymphs --; Plate 10A : Dragonfly Nymphs --; Plate 10B : Dragonfly Nymphs --; Plate 10C : Dragonfly Nymphs --; Plate 10D : Damselfly Nymphs --; 11; Water bugs (Hemiptera) --; Key 11 : Water bugs --; Plate 11 : Water bugs --; 12; Caddisfly larvae (Trichoptera) --; Key 12 : Caddisfly larvae --; Plate 12 : Caddisfly larval houses --; 13; Two-winged Flies (Diptera) --; Key 13 : Crane Fly Larvae --; Plate 13A : Crane Fly and Syrphus Fly Larvae --; Plate 13B : Miscellaneous Fly Larvae --; 14; Beetles (Coleoptera) --; Key 14A : Adults of common aquatic beetles --; Plate 14A : Larvae and adult beetles --; Key 14B : Larvae of common aquatic beetles --; Plate 14B : Larvae and adult beetles; 15; Fresh-water fishes --; Definitions and counts of fish structures --; Key 15A : Fresh-water fishes --; Plate 15A : Fish structures --; Key 15B : Trout (Salmo) and Charrs (Salvelinus) --; Plate 15B : Fishes --; Key 15C : Perch (Percidae) --; Plate 15C : Fishes --; Key 15D : Sunfishes and Basses (Centrarchidae) --; Plate 15D : Young Pacific Salmon (Oncorhynchus) --; Key 15E : Adult Pacific Salmon (Oncorhynchus) --; Key 15F : Young Pacific Salmon (Oncorhynchus) --; part 2; Methods of sampling and analyzing aquatic organisms and their environments --; Equipment --; Caring for field collections --; Methods of taking quantitative bottom samples --; Distribution and abundance of stream-dwelling organisms --; Analyzing water for oxygen, carbon dioxide, and alkalinities --; Methods of collecting fishes --; Preservation of fishes --; Methods of collecting fish scales --; Stream and lake surveys --; Studies of aquatic environments --; Suggested outline for studies --; Glossary
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