Important collection of 18 tracts bound in two volumes, mostly separate printings and monographs of zoological interest, including all his doctoral theses and the important treatise "Icones ad illustrandas coloris mutationes in Chamaeleonte" on the color-change of chameleons by HOEVEN, Jan van der - 1831

Leiden etc.: Various, 1831. 1st Edition. Hardcover. Very Good. 1st Edition. Hardcover. 4to - over 9¾ - 12" tall. Important collection of 18 tracts bound in two volumes, mostly separate printings and monographs of zoological interest, including all his doctoral theses and the important treatise on the color-change of chameleons. Hand-written index leaf at end of each volume. Bound in uniform contemporary half calf over marbled boards, blind-ruled and gilt-lettered spines (some rubbing of leather, joints split but holding, wear to extremities, corners bumped and scuffed). 4to (248 x 205 mm and 285 x 232 mm). The text and plates generally crisp, clean and wide-margined, with little age-toning only and without visible staining; a few tracts with foxing to text or plates. ----

Content, vol. I:
1. Commentatio de foliorum plantarum ortu, situ, fabrica et functione, in certamine literario civium Academiarum Belgicarum, die viii. Mensis Februarii A. MDCCCXX. Leiden: J. Luchtmans, 1821. [2], 22 pp. Hoeven's first thesis and first published work.
2. Responsio ad quaestionem, ab ordine disciplinarum mathematicarum et physicarum. Anno M.D. CCC.XIX. propositam. "Quaeritur, quis sit usus, qualisque dignitas anatomes comparatae in stabiliendis regni animalium divisionibus?" [Leiden], 1820. 25 [1] pp.
3. Dissertatio philosophica inauguralis de sceleto piscium, quam, annuente summo numine, ex auctoritate rectoris magnifici Cornelii Ekama. . . Leiden: L. Herdingh et Filium, 1822. [6], 112, [2] pp., including half-title and 1 folding engraved plate. The plate slightly shaved at fore-margin. Van der Hoeven's doctoral thesis.
4. Mémoire sur le genre ornithorhinque (ornithorhynchus Bl.) / Corrections au Mémoire sur le genre ornithorhinque. Offprint or extract from: Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum. Vol. 11, pp. [351]-372. [Bonn]: [Weber], 1823. Including separate title page and engraved plate (partly colored), numbered XLVI. Light foxing.
5. Dissertatio pathologica inauguralis, de morbis aurium auditusque. Leiden: L. Herdingh et Filium, 1824. xii, 112, [4] pp., including half-title and errata leaf. Printed on thick paper. Van der Hoeven's M.D. thesis.
6. Oratio de diligenti veritatis studio praecipua naturae interpretis dote. Quam publice habuit die 29. Aprilis 1826. Leiden: [S. & J. Luchtmans], [1828]. 18 pp. Van der Hoeven's Inaugural speech.
7. Icones ad illustrandas coloris mutationes in Chamaeleonte. Leiden: J. C. Cyfaveer, 1831. [6], 14, [2] pp., including half-title, errata leaf and 5 splendid hand-colored lithographed plates by L. Springer. Printed on thick paper. Bright and clean. Nissen ZBI 4231, Van der Hoeven's classic paper on chameleons.
8. Annotationes de quibusdam mammalium generibus ... (Acad. exh. d. XVII. Maii a. MDCCCXXXVII.). Offprint from: Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum, Vol. 19, pp. [169]-186, 3 lithographed plates numbered XVIII-XX. 1839.

Content, vol. II:
9. Bijdragen tot de natuurlike geschiedenis van den negerstam. Leiden: S. & J. Luchtmans, 1842. [8], 68 pp., including half-title and 4 plates. first 16 pp. of main text foxed.
10. Fragmens zoologiques sur les batraciens. From: Mémoires de la Société du Museum d'Histoire Naturelle / Société du Muséum d'Histoire Naturelle (Straßburg). - Paris [etc.], Vol. 3., 1840/46, pp. 1-12, 2 engr. plates (1 folding). lower corner of pl. 1 torn with slight loss (repaired).
11. With Schmidt, F. J. J. & Goddard, Quirinius Johannes. Aanteekeningen over de anatomie van den Cryptobranchus Japonicus. Natuurkundige verhandelingen van de Hollandsche Maatschappij der Wetenschappen te Haarlem, 2. verzameling, 19. deel, 1. stuk. Haarlem : de erven Loosjes, 1862. [6], 66 pp., half-title, 12 lithographed plates (4 folding).
12. Bijdrage tot de Kennis van den Potto van Bosman. Amsterdam : Sulpke, 1851. 12 pp., 2 engraved plates. Lacking the title-leaf.
13. Ontleedkundig onderzoek van den Potto van Bosman . . . Uit zijne nagelaten aanteekeningen.