000			04213 am a2200313 i 4500
008			721213s1962 caua 000 0 eng
020			_a0070461376
035			_a(OCoLC)
040			_aBAUN _beng _cBAUN _erda
049			_aBAUN_MERKEZ
050	0	4	_aQH96 _b.N38 1962
100	1		_aNeedham, James G. _q(James George), _d1868-1957
245	1	2	_aA guide to the study of fresh-water biology / _c[by] James G. Needham [and] Paul R. Needham
250			_a5th edition
264		1	_aBoston: _bWCB/McGraw-Hill, _c1962.
300			_a108 pages : _billustrations ; _c23 cm
336			_2rdacontent _atext _btxt
337			_2rdamedia _aunmediated _bn
338			_2rdacarrier _avolume _bnc
505	0	0	_tGeneral references -- _gpart 1. _tAids to the recognition of fresh-water algae, invertebrates, and fishes -- _tKeys, charts, tables -- _g1. _tAlgae -- _tKey 1 : Algae -- _tPlate 1A : Blue-green algae -- _tPlate 1B : Green algae -- _tKey 1C : Desmids (Desmidiaceae) -- _tPlate 1C : Desmids -- _tKey 1D : Diatoms (Bacillariophyceae) -- _tPlate 1D : Diatoms -- _g2. _tProtozoans -- _tTable 2A : Protozoans -- _tPlate 2A : Protozoans -- _tTable 2B : Protozoans -- _tPlate 2B : Protozoans -- _g3. _tMiscellaneous invertebrates -- _tPlate 3 : Miscellaneous invertebrates -- _g4. _tRotifer -- _tKey 4 : Rotifers -- _tPlate 4 : Rotifers -- _g5. _tMolluscs (Mollusca) -- _tKey 5 : Molluscs -- _tPlate 5 : Molluscs -- _g6. _tCrustaceans (Crustacea) -- _tChart 6A : Classification of fresh-water crustacea -- _tPlate 6A : Crustaceans : Malacostracans and branchiopods -- _tChart 6B : Recognition characteristics of fresh-water crustacea -- _tPlate 6B : Crustaceans : Cladocerons, Copepods, and Ostracods -- _tKey 6 : Crustaceans
505	0	0	_tInsects -- _tKey to the orders of aquatic insect larvae -- _tChart : Recognition characteristics of commoner forms of aquatic insect larvae -- _g7. _tKey 7 : Hellgrammites (Megaloptera and Neuroptera Larvae) -- _tPlate 7 : Miscellaneous insects -- _g8. _tStonefly Nymphs (Plecoptera) -- _tKey 8 : Stonefly Nymphs -- _tPlate 8 : Stonefly nymphs -- _g9. _tMayfly Nymphs (Ephemeroptera) -- _tKey 9 : Mayfly Nymphs -- _tPlate 9A : Mayfly Nymphs -- _tPlate 9B : Mayfly Nymphs -- _g10. _tDragonfly and Damselfly Nymphs (Odonata) -- _tKey 10 : Dragonfly and Damselfly Nymphs -- _tPlate 10A : Dragonfly Nymphs -- _tPlate 10B : Dragonfly Nymphs -- _tPlate 10C : Dragonfly Nymphs -- _tPlate 10D : Damselfly Nymphs -- _g11. _tWater bugs (Hemiptera) -- _tKey 11 : Water bugs -- _tPlate 11 : Water bugs -- _g12. _tCaddisfly larvae (Trichoptera) -- _tKey 12 : Caddisfly larvae -- _tPlate 12 : Caddisfly larval houses -- _g13. _tTwo-winged Flies (Diptera) -- _tKey 13 : Crane Fly Larvae -- _tPlate 13A : Crane Fly and Syrphus Fly Larvae -- _tPlate 13B : Miscellaneous Fly Larvae -- _g14. _tBeetles (Coleoptera) -- _tKey 14A : Adults of common aquatic beetles -- _tPlate 14A : Larvae and adult beetles -- _tKey 14B : Larvae of common aquatic beetles -- _tPlate 14B : Larvae and adult beetles
505	0	0	_t15. _tFresh-water fishes -- _tDefinitions and counts of fish structures -- _tKey 15A : Fresh-water fishes -- _tPlate 15A : Fish structures -- _tKey 15B : Trout (Salmo) and Charrs (Salvelinus) -- _tPlate 15B : Fishes -- _tKey 15C : Perch (Percidae) -- _tPlate 15C : Fishes -- _tKey 15D : Sunfishes and Basses (Centrarchidae) -- _tPlate 15D : Young Pacific Salmon (Oncorhynchus) -- _tKey 15E : Adult Pacific Salmon (Oncorhynchus) -- _tKey 15F : Young Pacific Salmon (Oncorhynchus) -- _gpart 2. _tMethods of sampling and analyzing aquatic organisms and their environments -- _tEquipment -- _tCaring for field collections -- _tMethods of taking quantitative bottom samples -- _tDistribution and abundance of stream-dwelling organisms -- _tAnalyzing water for oxygen, carbon dioxide, and alkalinities -- _tMethods of collecting fishes -- _tPreservation of fishes -- _tMethods of collecting fish scales -- _tStream and lake surveys -- _tStudies of aquatic environments -- _tSuggested outline for studies -- _tGlossary
650		0	_aFreshwater organisms _vIdentification
650		0	_aFreshwater organisms _zNorth America _vIdentification
650		0	_aFreshwater organisms _xCollection and preservation
700	1		_aNeedham, Paul R. _q(Paul Robert), _d1902-1964
900			_a9366
942			_2lcc _cKT
999			_c7263 _d7263