11. The male inserts a clasper into the female's cloaca, channeling semen into the orifice to fertilize her eggs. 12. Clasper , who at that time was 43, won the race, but he recognised that Chambers had great potential.13. These moves form the core of clasper calculus, and give considerable power to the theory as a theorem-proving tool. 14. The male inserts one clasper into the female oviduct orifice and injects sperm along a groove on the clasper's dorsal section. 15. The male inserts one clasper into the female oviduct orifice and injects sperm along a groove on the clasper 's dorsal section. 16. Their wedding certificate shows Clasper signing with a cross, as he could not read or write, whilst Susannah signed her name. 17. In less flexible species the two sharks swim parallel to each other while the male inserts a clasper into the female's oviduct. 18. The new crew consisted of Harry Clasper ( at stroke ), his brother Robert, his eldest son John Hawks and Robert Chambers. 19. In the male, the clasper 's harpe is simple, with a slightly widened cucullus, and covered in long thin bristles. 20. Robert Jewitt a boat-builder of Dunston on Tyne claimed that Clasper had copied the idea from him, a claim that Clasper denied.
