02687cam a22003253u 450000100060000000300070000600500170001300600020003000700050003200800410003704000110007804100170008905000070010610000390011324501210015224601210027326400510039430000470044533600260049233700260051833800360054450000310058050801760061152013090078753400670209665300420216365300580220585600550226385600430231874871UtSlPG20260610134731.0mcr n260607r20241865utu|||||o|||||||||||||| d  aUtSlPG 7aen2iso639-1 4aQL1 aWallace, Alfred Russel,d1823-191310aOn the phenomena of variation and geographical distribution as illustrated by the Papilionidæ of the Malayan region1 aOn the phenomena of variation and geographical distribution as illustrated by the Papilionidae of the Malayan region 1aSalt Lake City, UT :bProject Gutenberg,c2024  a1 online resource :bmultiple file formats  atextbtxt2rdacontent  acomputerbc2rdamedia  aonline resourcebcr2rdacarrier  aRelease date is 2024-12-11  aRichard Tonsing and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)  a"On the Phenomena of Variation and Geographical Distribution as Illustrated by the Papilionidæ of the Malayan Region" by Alfred R. Wallace is a scientific publication written in the mid-19th century. The work delves into the study of butterflies, specifically the Papilionidæ family, emphasizing their variation, distribution, and the ecological factors influencing these phenomena. It is a detailed examination rooted in natural history, offering insights into the complexities of species and their adaptations.  At the start of the text, Wallace presents an overview of the significance of studying variations and geographical distribution among butterflies, particularly focusing on the intricacies of the Papilionidæ family. He describes the unique beauty and diversity of these butterflies and how they serve as examples for studying biological variations and environmental influences. Notably, he discusses specific characteristics of their wings that aid in understanding variations, such as their coloration and structure, and he introduces various classifications of these butterflies based on their anatomical features and distribution across the Malayan region, setting the stage for a thorough exploration of this captivating group of insects. (This is an automatically generated summary.)  pOriginally published:cLondon: Linnean Society of London, 1865  aPapilionidae -- Malaysia -- Variation  aPapilionidae -- Malaysia -- Geographical distribution4 uhttps://archive.org/details/onphenomenaofvar00wall40uhttps://www.gutenberg.org/ebooks/74871