Continuing with the Leeuwenhoek legacy to the Royal Society of London:
The 13 Cases- above mention’d are numbered from 15 to 27 inclusively, corresponding to which is the Register of the Objects, two to every Case, as follows:
Case I. No.15
i. Globules of Blood, from which its Redness proceeds.
ii. A thin Slice of Wood of the Lime-Tree, where theVessels conveying the Sap are cut transversely.
Case 2. No.16 i.(?)
ii. The Eye of a Gnat.
Case 3. No. 17
i. A crooked Hair, to which adheres a Ring- Worm, with a Piece of the Cuticle.
ii. A small Hair from the Hand, by which it appears those Hairs are not round.
Case 4. No. 18
i. Flesh of the Codfish (Gabeljaeuw) shewing how the Fibres lie oblique to the Membranes.
ii. An Embrio of Cochineal, taken from the Egg, in which the Limbs and Horns are conspicuous.
Case 5 No. 19
i .Small Pipes, which compose the Elephant’s Tooth.
ii. Part of the Crystalline Humour, from the Eye of a Whale.
Case 6. No. 20
i. A Thread of Sheeps-Wool, which в broken, and appears to- consist of many lesser Threads.
ii. The Instrument, whence a Spider spins the Threads, that compose his Web.
Case 7. No. 21
i. A Granade, or Spark made in Striking Fire.
ii. The Vessels in a Leaf of Tea.
Сase 8. No. 22
i. The Animalculo in Semine Maculino, of a Lamb taken from the Testicle
ii. A Piece of the Tongue of a Hog, full of sharp Points.
Case 9. No. 23
i. A Fibre of Codfish, consisting of Long slender Particles.
ii. Another of the same.
Case 10. No. 24
i. A Filament, conveying Nourishment to the Nutmeg, cut transversly.
ii. Another Piece of the same, in which the Figure of the Vessels may be seen.
Case 11. No. 25
i. Part of the Bone or Tooth abovementioned, consisting of hollow Pipes.
ii An exceeding thin Membrane, being that which cover’d a very small Muscle.
Case 12. No. 26
i. Vessels by which Membranes receive Nourishment and Increase.
ii. A Bunch of Hair from the lnsect call’d a Hair-Worm.
Case 13. No. 27
i. The double Silk, spun by the Worm.
ii. The Organ of Sight of a Fly.