A set of nine models, most accurte, mounted on stand, consosts of the following stages :
| .01 An embroy abouts 6 days old, Considerably enlarged. |
| .02 Uterus with the embryo in the Ist month of gestination. |
| .03 Uterus with the embryo in the 3rd month of gestination. |
| .04 Uteus with foetus in 4th and 5th month. |
| .06 Uterus with foetus in 5th month. |
| .07 Uterus with foetus in the 7th Month of pregnancy. |
| .08 Uterus with foetus in the 8th month of pregnancy. |
| .09 Uterus with foetus in 9th month of pregnancy. |
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