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1

prostomium

4

esophagus

5

aortic arches

7

seminal vesicles

11

gizzard

12

nephridium

13

ventral blood vessel

14

ventral nerve cord

15

nerve ganglia

17

clitellum

18

prostomium

20

aortic arches

21

seminal vesicles

22

cuticle

24

dorsal blood vessel

25

clitellum

26

circular muscles

27

longitudinal muscles

28

pharynx

29

esophagus

30

seminal recepticle

32

oviduct

33

ventral blood vessel

34

gizzard

35

nephridium

36

ventral nerve cord

38

intestine

39

dorsal blood vessel

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