Hendrik Engel's Alphabetical List Dutch Zoological Cabinets ... - DWC

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258. Boerlage & Hoek 1975, p. 58, 68, 119, 120. Van der Aa XIV, p. 85; JWP
III, p. 364; IV, p. 399; Collot d'Escury 1844, VII, p. 228-230. P.H. Witkamp
1888, in: Eigen Haard, p. 307.
1125. OLTMANS, Abraham - 16 April 1811 - 10 Dec. 1873 Amsterdam. No profession.
In 1844 he became an unofficial worker in the malacological collection
of the Amsterdam Zool. Garden. He was appointed as curator in November 1854.
In 1844 the Zool. Gardens bought his shell collection. He labelled the
samples very accurately and kept a good catalogue, assisted by his son H.
Oltmans. He published: "Lijst van voorwerpen in het Museum, d,d. 1 Mei 1863 11
(in "Artis"). Maitland 1863, p. LVI, 133; Jaarboekj e Natura Artis Magistra
1874, p. 188; Buse 1938, in: Jaarboek Amstelodamum; Jutting 1939, p. 168
seq. (see also register); Dance 1966, p. 296. Photograph in Zool. Mus. Amsterdam.
1126. OLTMANS, Miss M.E.A. -died 1838 's-Gravenhage.
She possessed a collection of naturalia and of rarities. She bought the microscope
of Lyonet (q.v.) and bequeathed it to her brother Abraham Oltmans
(q.v.). The microscope is now in "Artis". Jutting 1939, p. 168: the important
collection of shells of miss M.E.A. Oltmans in the Hague purchased from
her brother Mr. A, Oltmans on May 1st, 1844 seems to have perished, unless
it is mixed with other material of unknown origin. Van Seters 1962, p. 80,
1127. ONSTENK, Willem Gerard Clement - 22 June 1904 's-Gravenhage - 31 Oct.
1975 Maastricht. Businessman.
Possessed a collection of Coleoptera (100 species, 6000 ex.), bugs, Odonata
and bumblebees. The greatest part of the collection is still in the possession
of his widow, but not in a good condition, a part is given away (personal
information). Nat. Hist. Maandblad XLIX, 1960, p. 192-193.
1128. ONTIJD, Conrad Gerard - 1776 Naaldwijk- 13 Jan. 1844 's-Gravenhage.
Physician at 1 s-Gravenhage; many publications on medical subjects.
His cabinet (a.o. human and animal skulls) was sold 6 Nov. 1878 at Amsterdam:
"Catalogue d 'une collection importante d' objets d 'histoire naturelle et
d'instruments d'astronomie et de geodesie delassee ••• "; this catalogue also
includes the collection of A.B. Medenbach de Rooy (q.v.) and of Mr. A.
Krantz at Bonn (cabinet of geology, mineralogy and paleontology). Van der Aa
XIV, p. 129-131; NNBW IV, col. 1040-1041.
1129. ONTIJD, F.J.M. - See Rethaan.
1130. OORDT, Jan van - 29 Dec. 1701 Middelburg - 5 Aug. 1775 Batavia.
11Schepen" (Alderman) of Batavia, auctionmaster; "Oud-opperkoopman" and Commissar
of the "Bank van Lening" (Bank Courant) and of the pawnbroker's shop
at Batavia.
Of his collection exists a catalogue dated 1766: "Catalogus van fraaie zeldzaamheden,
bestaande in allerlei zoorten van Vreemde Gedierkens, Visschen,