Results 11 to 20 of about 677,106 (310)
Heritage Science, 2018 From the mid-1800s to the late 1950s, conservation by alum salts (aluminum potassium sulfate dodecahydrate)—with some variations—was a routine method for treating highly deteriorated waterlogged archaeological wood in many countries, especially in ...
Susan Braovac +5 more
doaj +1 more source
Faunistic spider collections in the Museum für Naturkunde Berlin: The collection of Erich Hesse [PDF]
, 2012 The ‘Hesse collection’ of spiders (Araneae) and harvestmen (Opiliones) in the Museum für Naturkunde Berlin is documented. Biographical notes on Erich Hesse – a former arachnid curator at the museum (1921–1940) – are provided.
Dunlop, Jason A. +2 more
core +2 more sources
Heritage Science, 2021 From the mid-1800s to the late 1960s, conservation by alum salts (KAl(SO4)2·12H2O—potassium aluminium sulphate), using various recipes, was a common method to prevent shrinkage and to strengthen waterlogged archaeological wooden objects.
Jeannette Jacqueline Łucejko +5 more
doaj +1 more source
A List of the Mayflies (Ephemeroptera) in the Michigan State University Entomology Museum [PDF]
, 2017 Excerpt: A fairly extensive collection of Epl~emeroptera representing 35 genera, 1 12 determined species and subspecies is preserved in alcohol in the Entomology Museum at Michigan State University, East Lansing, Michigan 48823.
Koss, Richard W
core +3 more sources
Heritage Science, 2018 Alum-treated wooden artefacts suffer from extreme deterioration, and the stability of these objects and the salts they contain to variations in climate conditions is an important issue.
Caitlin M. A. McQueen +3 more
doaj +1 more source
Ecology and Evolution, 2020 We surveyed mitochondrial, autosomal, and Z chromosome diversity within and between the Copperback Quail‐thrush Cinclosoma clarum and Chestnut Quail‐thrush C.
Kerensa McElroy +7 more
doaj +1 more source
Ecology and Evolution, 2023 Museum specimens collected prior to cryogenic tissue storage are increasingly being used as genetic resources, and though high‐throughput sequencing is becoming more cost‐efficient, whole genome sequencing (WGS) of historical DNA (hDNA) remains ...
Amie E. Settlecowski +2 more
doaj +1 more source
New findings and a new species of the genus Ammothea (Pycnogonida, Ammotheidae), with an updated identification key to all Antarctic and sub-Antarctic species [PDF]
, 2014 Specimens of the pycnogonid genus Ammothea collected during the Polarstern cruise XXIII/8 (23 November 2006–30 January 2007) were studied. Nine species were recognized in this collection: Ammothea bentartica, A. bicorniculata, A.
Cano Sánchez, Esperanza +1 more
core +1 more source
A Key and Annotated List of the Scutelleroidea of Michigan (Hemiptera) [PDF]
, 2017 Excerpt: Although Hussey (1922) compiled a list of the Hemiptera of Berrien County, and Stoner (1922) contributed a list of the Scutelleroidea of the Douglas Lake region, no publications have dealt with Michigan Scutelleroidea on a state-wide basis ...
McPherson, J.E.
core +2 more sources
Ammonium alum in alum-treated wooden artefacts: discovery, origins and consequences
Heritage Science, 2019 Alum-treatment was extensively applied to archaeological wood from the Oseberg collection in the early 1900s, and was a common conservation method at the time involving impregnating objects with hot concentrated solutions of potassium alum (KAl(SO4)2 ...
Caitlin M. A. McQueen +4 more
doaj +1 more source