394 
“7. 
18. 
LS: 
20. 
21. 
22. 
LEEUWENHOEK AND HIS “LITTLE ANIMALS”’ 
A. van Leeuwenhoeks 4rste Missive, Geschreven aen de Koninklijke 
Societeit tot Londen [enz.]. 4°. Delft, 1698 (van Kroonevelt). 
[pp. li + 26. Apart from title, and preliminary page in former, 
identical with Gaesbeeck’s ed. of 1684 (No. 4).] 
Sevende Vervolg der Brieven, waar in gehandelt werd, van veele Opmerkens 
en verwonderens-waardige Natuurs-Geheimen. 4°. Delft, 1702 
(van Krooneveld). [pp. vi + 452 + xxii (Blad-wyser). Contains 
Letters 108-146 : all numbered, and continuously paginated.] 
Send-Brieven, zoo aan de Hoog-edele Heeren van de Koninklyke Societeit 
te Londen, als aan andere Aansienelyke en Geleerde Lieden [enz.]. 
4°. Delft, 1718 (Beman). [Engraved title with portrait inset 
(dated 1718), pp. xiv + 460 + xxviii (Register & Druk-fouten). 
Contains Letters I-XLVI, numbered and continuously paged.] 
BRIEVEN [seu WERKEN]. 4°. 4 vols. (or sometimes 5). Various 
dates, publishers, and places.—The final Dutch collective edition 
of all L.’s published letters. Contains Letters 28-146 and I-XLVI, 
and is variously made up of the several separate issues already 
listed—bound together. With 2 portraits, engraved titles, and 
numerous engraved figs. in text and on inserted plates. Perfect 
copies, composed of first editions throughout, and with all the 
plates, are now extremely rare. The following is a short description 
of the only one (my own) which I have yet seen : 
Deel I—Made up of Nos. 1, 2, 3, 4, 5, 6, 7, 8, 9: thus containing 
Letters 28-52. With engraved title dated 1685 (1st state, with 
Dutch lettering ‘“‘ Ontdeckte Onsigtbaar-heeden’’). 
Deel IIT = Nos. 10, 12, 13, 14. Letters 53-83. With engraved 
portrait prefixed (de Blois, after Verkolje: Ist state, with 
Dutch lettering). 
Deel III = Nos. 15, 16, 18. Letters 84-146. Engraved title 
dated 1696 (2nd state, with Dutch lettering). 
Deel IV = No. 19. Letters I-XLVI (Send-brieven), with engraved 
title dated 1718 (1st state, with Dutch lettering at foot), having 
Goeree’s portrait inset. 
If. Latin EDItions 
Anatomia et Contemplatio Nonnullorum Naturae invisibilium Secretorum 
Comprehensorum Epistolis Quibusdam Scriptis ad Illustre Inclytae 
Societatis Regiae Londinensis Collegium. 4°. Lugd. Batavorum, 
1685 (Boutesteyn). [pp. 78. Contains Letters 43, 42, 38—in 
this order—with all figs. engraved in text. Letters wnnumbered : 
continuous pagination. Excessively rare first Latin edition. 
My own copy is the only one which I have seen. No copy in 
British Museum, or hitherto discovered in any library in Britain.] 
Anatomia Seu interiora Rerum, Cum Animatarum tum Inanimarum {sic}, 
Ope & nebeficio [sic] exquisitissimorum Microscopiorum Detecta, 
variisque experimentis demonstrata [etc.]. 4°. Lugduni Bata- 
vorum, 1687 (Boutesteyn). [pp. vi + 64 (mispaginated 58) + 
260 (mispaginated 258). Two parts—each continuously paged— 
