This is third volume of Fauna Sinica dealing with digenetic trematodes. In the present volume supply systematic account to the Chinese digenetic trematodes the 394 species belonging 3I families and 128 genera. With keys to all taxa from family through species and systematic descriptions of morphological characteristics, geographical, live history and ecology of each species
Key to families of Digenea Ill
I. Mouth in centre of ventral body, rhynchus at anterior extremity of bodybucephalidae
Mouth in centre of oral sucker at anterior extremity of body……………………………2
2. Cacauniedcircularposterior…quamacol
Caecal terminal each other separated. ....,..,............3
3. Parasitic in lungs of reptiles. Macromeridae
Parasitic in digestive system and other organs of other animals...w.....-.4
4. Genital pore nearly in posterior part of body, cirus pouch lies on posterior extremity of body
Genital pore in anterior or middle of body..........................
5. Both suckers close to anterior end of body, ovary before testes, uterus only descending.Urotremtidae
Distanced oral sucker and acetabulum, ovary lies on behind or between or opposite testes .....6
6. Genital pore in anterior or posterior or between testes, excretory bladder Yshaped.Brachylaimidae
Genital pore at posterior extremity of body, ovary lies on between or behind testes, excretory bladder
V-shaped-leucochorididae
7. Genital ore at anterior extremity of body-