Facts and Theories on the Insect Head, Part 2. Audio recording accompanied by illustrated transcripts of lecture given in 1960 by seminal insect morphologist Robert E. Snodgrass. This lecture series covers the morphology and evolution of the insect head in two parts. Part I discusses the structures of the head and mouthparts, and begins to address the evolution of segmentation (continued in Part II). The web page is clear and easy to follow. The transcribed text makes it possible to follow along with the entire lecture even though parts of the audio file are difficult to hear. The text is clearly annotated to tell the reader when Snodgrass is using a figure, and those figures are labeled accurately and placed properly throughout the text. This is an excellent supplemental resource for anyone taking or teaching an insect morphology class. The lecture was moderated by William Bickley and transcribed by Jeffrey W. Shultz, Department of Entomology, University of Maryland.


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      NSDL,NSDL_SetSpec_BEN,Life Science,oai:nsdl.org:2200/20090420200318164T,morphology,History/Policy/Law,history



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