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Valim,Michel P.. |
The type specimens of 142 nominal species of chewing and sucking lice (Insecta: Phthiraptera: Amblycera, Ischnocera and Anoplura) held in the Museu de Zoologia da Universidade de São Paulo, Brazil (MZUSP) are listed. The list includes species in the families: Menoponidae and Gyropidae (Suborder Amblycera); Philopteridae (including species initially described in Heptapsogastridae) and Trichodectidae (Suborder Ischnocera); and Hoplopleuridae (Suborder Anoplura). The following type categories are represented in the collection: holotype, allotype, paratype, syntype, neotype, neoallotype, neoparatype and paralectotype. Information is taken from card data, and includes changes in nomenclatural status for each species since their original description. Two... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Phthiraptera; Lice; Types; List; MZUSP; Menoponidae; Gyropidae; Philopteridae; Trichodectidae; Hoplopleuridae. |
Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0031-10492009001700001 |
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Cox, Nicholas J.. |
Three user-written commands are reviewed as illustrations of different approaches to tabulation problems, each one step beyond what is possible to do directly through official Stata. tabcount is a wrapper for tabdisp written to produce tables that show how often specified values occur or specified conditions are satisfied so that, in particular, tables may include explicit zeros whenever desired. makematrix is designed for situations in which a table of results may be compiled by populating a matrix. matrix list or list may then be used to display the table. groups shows frequencies of combinations of values using list. Users should find these commands to be helpful additions to the toolkit. Programmers may be interested in examples of the wrapper... |
Tipo: Journal Article |
Palavras-chave: Tables; Matrices; Tabcount; Makematrix; Groups; Tabdisp; List; Research Methods/ Statistical Methods. |
Ano: 2003 |
URL: http://purl.umn.edu/116197 |
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