GRAAF, REINIER DE. De virorum organis generationi inservientibus, de clysteribus et de usu siphonis in anatomia. Leiden and Rotterdam: Hack 1668.

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GRAAF, REINIER DE. De virorum organis generationi inservientibus, de clysteribus et de usu siphonis in anatomia. Leiden and Rotterdam: Hack 1668.

FIRST EDITION, engraved portrait after Henri Watele by G. Edelinck, engraved title-page and 11 folding engraved plates.

"Classical and accurate account of the anatomy of the testicle"--Heirs of Hippocrates 417; Cushing G 345; Garrison and Morton 1210; Waller 3670; Wellcome III, p. 142.

[Bound with:]

GRAAF, R. DE. De mulierum organis generationi inservientibus tractatus novus. Leiden: Hack 1672.

FIRST EDITION, engraved portrait, unsigned, engraved allegorical title-page, letterpress title and 27 engraved plates, 9 of them folding.

"His was an advanced and accurate understanding of the female genitalia"--Heirs of Hippocrates 418; Cushing G 344; Garrison and Morton 1209; Waller 3669; Wellcome III, p. 142.

8vo, 154 x 98mm. (6 1/16 x 3 13/16in.), eighteenth-century vellum, spine ink-lettered, last leaf of first work with small burnhole affecting five letters, some slight browning.

Provenance: Joseph Conrad Peyer, 1773, inscription on each title-page; Juan Carlos Ahumada, bookplate; the present owner.