12 slides

1 - Earthworm, region of typhlosolis, back of clitellum, the standard t.s.
2 - Earthworm, region of typhlosolis, back of clitellum, sagittal l.s.
3 - Earthworm, region of mouth, t.s. shows pharynx
4 - Earthworm, region of cerebral ganglion t.s.
5 - Earthworm, region of oesophagus and heart t.s.
6 - Earthworm, region of gonads showing ovary, t.s.
7 - Earthworm, region of gonads showing testis, t.s.
8 - Earthworm, region of clitellum t.s.
9 - Earthworm, region of mouth, oesophagus and hearts (1st to 9th segment) sag. l.s.
10 - Earthworm, region of gonads, seminal vesicles, (9th to 16th segment) sag. l.s.
11 - Earthworm, region of crop and gizzard (16th to 23rd segment) sag. l.s.
12 - Earthworm, spermatozoa in various stages of development, smear