Contents: Characters of vertebrates,Osseous system of haematocrya,Muscular system of haematocrya,Nervous system of haematocrya,Digestive system of haematocrya,Absorbent system of haematocrya,Circulating and respiratory systems of haematocrya,Urinary system of haematocyra,tegumentary system of haematocrya,peculiar and ductless glands and reproducible parts,Generative system of haematocrya,Generative system of haematocrya,Generative products and development of haematocrya.