Lens 



Biochemistry 



Descriptive evolution 

 Rods 



Descriptive evolution 

 Cones 



Descriptive evolution 

 Neurosecretion in brain 

 Biochemistry 



Descriptive evolution 

 Neurohypophysis 

 Anatomy 

 Histology 

 Function 

 Histology 



Function 

 Descriptive evolution 

 Neuroendocrine substances 

 Biochemistry 



Descriptive evolution 

 Descriptive evolution 

 Neuroendocrine feedback mechani; 



Thyroid stimulating hormone 

 Adenohypophysis 

 Anatomy 



Function 

 Cytology 



Function 

 Descriptive evolution 

 Gonadotropin 

 Biochemistry 

 Function 

 Prolactin 



Reproduction 

 Function 

 Pituitary blood supply 

 Anatomy 

 Function 



Descriptive evolution 

 Thyroid 

 Anatomy 

 Function 

 Development 

 Histology 



Function 

 Descriptive evolution 

 Thyroid hormone 

 Effect on fish 



Oxygen consumption 

 Metamorphosis 

 Endostyle 

 Anatomy 

 Function 

 Adrenal cortex 

 Anatomy 



Function 

 Histology 

 Function 

 Cortical hormones 

 Descriptive evolution 

 Effect on fish 

 Biochemistry 



Ion and water relationships 

 Pancreatic islets 

 Anatomy 

 Histology 

 Function 



Change with age 

 Histology 



Function 

 Function 



Descriptive evolution 

 Insulin 



Effect on fish 

 Biochemistry 

 Carbohydrate metabolism 

 Chloride cells 



Histology 

 Biochemical blood constituents 

 Mineral content 



Calc 

 H 



Experime 



Hemoglobin 



Polymorphism 



Inheritance 



Serum proteins 



Polymorphism 



mechanisms 

 tal analysis 



Inhe 



imunological reactions 

 Function 



Descriptive evolution 



805482 

 805464 

 805464 



809071 



809070 

 806304 



806304 



806303 



809075 

 806303 

 803652 



809074 

 809074 

 809074 



806303 



805153 



809065 



809063 



Oral teeth 

 Development 



Descriptive evolution 

 Bile 



Biochemistry 



Descriptive evolution 

 Kidney 

 Anatomy 

 Histology 

 Function 

 Renin 

 Function 



Descriptive evolution 

 Ovary 

 Anatomy 

 Function 

 Fecundity 806635 

 Testis 



Anatomy 

 Function 

 Metamorphosis 



Experimental analysis 

 Rate of growth 

 Weight length relationship 

 Chromosome number 



Descriptive evolution 

 Convergence and parallelisn 

 Homology 

 Gill arches 



Identification 

 Homologous variation 

 Salinity 



Effect on fish 

 Chloride cells 

 Distribution 



Reproductive season 

 Reproduction 



Adenohypophysis 



Experimental analysis 

 Neoplastic diseases 



Immunological reactions 

 Descriptive evolution 

 Relations of fish and man 

 Habitat destruction 

 Carcinogenic agents 



Effect on fish 

 Poisonous fish 

 Biochemistry 



Experimental analysis 

 Caspiomyzon wagneri 

 Ovarian cycles 

 Fecundity 

 Testicular cycles 

 Life span 



Dams and barriers 



Effect on fish 



Migrations 



Entosphenus japonicus 



Distribution 



Habitat preference 



Entosphenus reissneri 



Habitat preference 

 Entosphenus tridentatus 



Feeding 

 Eptatretus 



Protein specificity 

 Cytochrome-C 

 Ultrastructure 



Descriptive evolution 

 Eudon tomyzon 

 Key 

 General structure and behavi 



Descriptive evolution 

 Coloration 

 Geotria australis 

 General structure and behavi 

 Distribution 

 Ichthyomyzon bdellium 

 Metamorphosis 



Seasonal changes 

 Rate of growth 

 Larva 



Experimental analysis 

 Distribution 

 Ichthyomyzon castaneus 



and behavi 



809064 

 809064 



805885 

 806635 

 806635 



809065 

 804352 

 805383 

 806282 

 806569 

 806635 

 807180 

 807937 

 806635 



809085 



807755 

 807755 

 807755 



807755 



806678 

 808923 



806354 



807937 



Petromyzontomorpha 

 (continued) 



Caspiomyzon 



to 



Ichthyomyzon 



173 



