Oh no, it was a minor correction. I make more mistakes in mathematics than you.
-- Dr. Gurcharan Singh Retired Associate Professor SGTB Khalsa College, University of Delhi, Delhi-110007 Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. Phone: 011-25518297 Mob: 9810359089 http://people.du.ac.in/~singhg45/ On Mon, Jan 17, 2011 at 2:31 PM, Pankaj Kumar <[email protected]>wrote: > Accept my apologies for the mistake!! > As usual, I am poor in mathematics and it has been proved again and again > :(( > Pankaj > > > On Mon, Jan 17, 2011 at 2:28 PM, Gurcharan Singh <[email protected]> > wrote: > > Interesting set of information Pankaj ji > > > > Just a minor correction, it was nearly 200 years later (and not 300) that > > lectype was designated in a casual remark by made by W. T. Stearn in 1959 > in > > a commemerative article on the occasion of the 200th Anniversary of 10th > > edition of Systema Naturae. He wrote: > > > > "Since for nomenclatorial purposes the specimen most carefully studied > and > > recorded by the author is to be accepted as the type, clearly Linnaeus > > himself, who was much addicted to autobiography, must stand as the type > of > > his Homo sapiens!" > > > > > > It must be mentioned that several years later Psihoyos in 1994 designated > E. > > D. Cope, a nineteenth-century naturalist as lectotype of Homo sapiens, > and > > this being a popular article, became more popular on the internet. But > this > > designation can't be maintained on two counts: > > > > 1. Cope was not eligible for selection as a lectotype because he wasn't > > among the specimens/people included by Linnaeus when he made his > description > > (Article 74.1) - Homo sapiens was described in 1758 but Cope wasn’t born > > until 1840, almost 100 years later, so he definitely wasn’t included by > > Linnaeus. > > > > 2. Stearn’s valid designation in 1959 already existed before Psihoyos’ > > designation in 1994 and no designations after Stearn’s can be valid > (Article > > 74.1.1). > > > > More can be found in the following useful > > > > http://www.jstor.org/pss/4065043 > > -- > > Dr. Gurcharan Singh > > Retired Associate Professor > > SGTB Khalsa College, University of Delhi, Delhi-110007 > > Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. > > Phone: 011-25518297 Mob: 9810359089 > > http://people.du.ac.in/~singhg45/ > > > > > > > > On Mon, Jan 17, 2011 at 12:48 PM, Mahadeswara <[email protected]> > wrote: > >> > >> Very informative and important information, even for qualified > >> taxonomists. > >> > >> On Jan 17, 4:03 am, Pankaj Kumar <[email protected]> wrote: > >> > Hope you will like reading this!! > >> > > >> > All taxonomists and botanists must have heard of the term TYPE and > >> > TYPIFICATION. > >> > > >> > When you describe a plant or animal for the first time, you have to > >> > refer to a specimen, which according to ICBN [Vienna Code (Article > >> > 37.4)] for plants, should be a specimen in any form preserved at any > >> > herbaria in the world. And you have to mention this information along > >> > with the name of the herbaria and the voucher number in the manuscript > >> > you have published using the word "type" or "holotype" or "holo" etc. > >> > > >> > But during early times, there was no such provision and people used to > >> > describe new species without citing any specimens. Hence in ICBN there > >> > is an option of LECTOTYPIFICATION. In this you designate a type or > >> > nomenclatural type for the particular taxa. This procedure is called > >> > Lectotypification and the specimen is called Lectotype and then there > >> > are rules for designating the lectotype. > >> > > >> > From 1735 onwards, Carl von Linné, Latinized as Carolus Linnæus, > >> > published his famous work, Systema Naturae in many editions. For those > >> > who are unaware, this book contains classification of animals too. By > >> > 10th edition in 1758 he had divided Animal Kingdom into 6 groups and > >> > he has described human beings in binomials as Homo sapiens but as for > >> > most of his plants, he never designated a type for Homo sapiens. > >> > > >> > So a lecotype for Homo sapiens was designated 300 years later in 1959. > >> > > >> > Big question is, what was the lectotype for Homo sapiens L.?? > >> > > >> > Answers is "Carl von Linné" > >> > > >> > Regards > >> > Pankaj > >> > > >> > -- > >> > *********************************************** > >> > "TAXONOMISTS GETTING EXTINCT AND SPECIES DATA DEFICIENT !!" > >> > > >> > Pankaj Kumar Ph.D. (Orchidaceae) > >> > Research Associate > >> > Greater Kailash Sacred Landscape Project > >> > Department of Habitat Ecology > >> > Wildlife Institute of India > >> > Post Box # 18 > >> > Dehradun - 248001, India > > > > > > > > > > -- > *********************************************** > "TAXONOMISTS GETTING EXTINCT AND SPECIES DATA DEFICIENT !!" > > > Pankaj Kumar Ph.D. (Orchidaceae) > Research Associate > Greater Kailash Sacred Landscape Project > Department of Habitat Ecology > Wildlife Institute of India > Post Box # 18 > Dehradun - 248001, India >
