<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>5</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Theresa Clay</style></author></authors><secondary-authors><author><style face="normal" font="default" size="100%">Sven Hörstadius</style></author></secondary-authors></contributors><titles><title><style face="normal" font="default" size="100%">The Mallophaga as an aid to the classification of birds with special reference to the structure of feathers</style></title><secondary-title><style face="normal" font="default" size="100%">Proceedings of the Xth Ornithological Congress</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">1951</style></year><pub-dates><date><style  face="normal" font="default" size="100%">1951</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://phthiraptera.myspecies.info/sites/phthiraptera.info/files/0011.pdf</style></url></web-urls></urls><pub-location><style face="normal" font="default" size="100%">Uppsala</style></pub-location><pages><style face="normal" font="default" size="100%">207 - 215</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><notes><style face="normal" font="default" size="100%">[NOTE: Clay cites this in her unfinished key as 1951, although the conference date was 1950] Topics Covered: -Evolution and the present distribution of mallophaga -The role of certain environmental factors in the evolution and distribution of mallophaga (considers general relationships beween host and louse size, and differences in the size of male and female parasites in relation to the size of the host.) -Feather structure -Arguments in favour of the use of mallophaga as an aid to the classification of birds and arguments against -General discussion</style></notes><custom2><style face="normal" font="default" size="100%">pdf</style></custom2></record></records></xml>