Beschreibung
. 1 1. 2 TheFirstTerrestrialArthropods. 2 1. 3 EvolutionintheArthropods. 4 1. 3. 1 EmbryologicalConsiderations. 4 1. 3. 2 ComparativeMorphology. 5 1. 3. 3 MonophyleticorPolyphyleticOrigins. 6 FurtherReading. 9 2 ImplicationsofLiveonLand. 10 2. 1 TheSignificanceofSize 10 2. 1. 1 Size,SkeletonsandAllometry 11 2. 1. 2 AllometricGrowth 12 2. 2 WaterRelations 12 2. 3 TheConquestoftheLand 14 2. 4. TheIntegument 14 2. 4. 1 TheEndocuticle 15 2. 4. 2 TheExocuticle 15 2. 4. 3 TheEpicuticle 16 2. 5 GrowthandEcdysis 18 2. 6 Respiration:Lung-BooksandTracheae 19 2. 7 NutritionandExcretion 21 2. 7. 1 Nutrition 21 2. 7. 2 Excretion 22 2. 8 EcologicalConsiderationsofSize 23 FurtherReading 25 3 TheConquestoftheLandbyCrustacea. 26 3. 1 TypesofAdaptation. 26 3. 2 TransitionfromWatertoLandinAmphipoda 26 3. 3 TransitionfromWatertoLandinDecapoda 28 3. 4 TransitionfromWatertoLandinIsopoda 30 3. 4. 1 Morphology 30 3. 4. 2Physiology. 31 3. 4. 3 Behaviour 34 VIII Contents 3. 5 Conclusion 35 FurtherReading. 36 4 InsectPhylogenyandtheOriginofFlight. 37 4. 1 AncestryofInsects 37 4. 2 TheOriginofWings 38 4. 2. 1 Apte10taandtheAncestryofSpiders 39 4. 3 Paranota1Theory 40 4. 4 TrachealGillTheory. 42 4. 5 SelectionforFlight 43 4. 6 PhylogenyoftheLowerInsectOrders. 44 4. 6. 1 FossilEvidence.