[Taxacom] Iapyx vs. Japyx (etc.) in Diplura

Sat Apr 11 14:57:26 CDT 2020

According to Reddell's (1985) treatment of  lapygidae [sic], the spelling
Japyx was introduced in Meinert, F. 1865. Campodeae, en familie af
Thysanurernes orden. Naturhistorisk Tidsskrift, ser. 3, 3:400-440. (I have
not seen this work). Reddell treats Meinert's spelling as an unjustified
emendation; also changed his (Reddell's) preferred spelling to Iapyx (from
Japyx) since his previous work on the group (1983) saying that the spelling
Iapyx was justified on the grounds of priority.

On the other hand the Code allows an unjustified emendation to be "deemed
justified" if it is in prevailing usage:

33.2.3.1. when an unjustified emendation is in prevailing usage and is
attributed to the original author and date it is deemed to be a justified
emendation.

*Example. *Because *Helophorus*, an unjustified emendation by Illiger
(1801) of *Elophorus* Fabricius, 1775, is in prevailing use in the
Coleoptera and attributed to Fabricius, it is deemed to be a justified
emendation; the name *Helophorus* Fabricius, 1775 is to be maintained as
the correct spelling.

So, we seem to have 2 options, each defensible under the Code:
- go with original spelling/priority (Reddell's view, from 1985, also some
recent authors); correction is not mandatory (thanks Francisco)
- go with Meinert's spelling (but with attribution to Haliday) as
"prevailing usage"

I did a quick survey using Google Scholar - indicative rather than
definitive of course, searching for Iapyx/Japyx and Diplura in the same
document:
(of course some of the Iapyx records could be in passing, with preferred
spelling still Japyx; and vice versa)

Interval 2011-2020: Iapyx 2, Japyx 74
Interval 2001-2010: Iapyx 2, Japyx 71
Interval 1991-2000: Iapyx 0, Japyx 20
Interval 1981-1990: Iapyx 2, Japyx 18
Interval 1971-1980: Iapyx 0, Japyx 17

To me this suggests that "preferred usage" favours Japyx, so that name is
maybe the correct one to use - but happy for further opinions of course...

Regards - Tony
Tony Rees, New South Wales, Australia
https://about.me/TonyRees

On Sun, 12 Apr 2020 at 01:56, David Campbell via Taxacom <
taxacom at mailman.nhm.ku.edu> wrote:

> Certain authors seem to have favored different usage; for example,
> DeGregorio spelled the freshwater snail Io as Jo.  Similar issues exist for
> v and w, such as a clam from near the Waccamaw River named Pecten
> vaccamavensis.  (As a subjective synomym, it's not causing much trouble.)
>
> On Sat, Apr 11, 2020 at 11:46 AM Francisco Welter-Schultes via Taxacom <
> taxacom at mailman.nhm.ku.edu> wrote:
>
> > Concerning another aspect of Geoff's contribution:
> > I and J are independent letters. Genus-group names differing by initial
> > I and J cannot be regarded as variants of the same name (Arts. 11.2,
> > 56.2). As Thomas wrote, Japyx is a subsequent misspelling, either an
> > unjustified emendation or an incorrect spubsequent spelling (or both).
> >
> > In some cases in Classical Latin publications the use of J and I
> > depended on typesetting conventions, occasionally also after the 1850s.
> > This has subsequently been automatically corrected to Postclassical
> > spelling.
> >
> > Genus-group names originally established as Jberellus, Jrcinia,
> > Jschnognatha or Jnopsis are unanimously considered as incorrect original
> > spellings, and have been corrected to Iberellus, Ircinia, Ischnognatha
> > and Inopsis, without a corresponding rule in the Code. There is
> > awareness of covering this gap in the 5th Edition of the Code.
> > This does not work with Julus, Jochroa or Josioides, which have not
> > unanimously been corrected to Iulus, Iochroa or Iosioides.
> >
> > I see no option to extend this convention for cases like Iapyx/Japyx.
> >
> > In species-group names the original spelling stands, even if such a name
> > looks unusual. Examples are iaponicus, iavanus, maior, iota, iudaica.
> > These names are not automatically corrected to japonicus, javanus,
> > major, jota, judaica. Independently established names varying only in
> > such an initial letter are deemed to be homonyms (Art. 58.3).
> >
> > Correspondingly, for genus-group names, an original spelling Iapyx
> > should also stand, even if this is not very well appreciated in parts of
> > the community.
> > Subsequently established genus-group names based on the assumption that
> > Japyx was correct, will stand, such as Afrojapyx, Burmjapyx, Congjapyx
> > or Teljapyx.
> >
> > If Japyx is determined as the correct spelling under the prevailing
> > usage rule, subsequently established genus-group names based on the
> > assumption that Iapyx was correct, like Silvestriapyx Pages, 1981, will
> > also stand.
> >
> > Best regards
> > Francisco
> >
> >
> >
> > Am 11.04.2020 um 13:44 schrieb Thomas Pape via Taxacom:
> > > Tony:
> > > Haliday (1864) used only the spelling "Iapyx" and is explicit on both
> > spelling and etymology, which means that a lapsus can be ruled out.
> > > The spelling "Japyx" must therefore have been introduced by a later
> > author either as an incorrect emendation or as an incorrect subsequent
> > spelling.
> > >
> > > The distinction has some importance as an incorrect emendation would
> > take specific date and authorship and be a junior synonym. An incorrect
> > subsequent spelling that is in prevailing usage and is attributed to the
> > publication of the original spelling is to be preserved and the spelling
> is
> > deemed to be a correct original spelling (Code Art. 33.3.1).
> > >
> > > I can see that the issue of selecting among the two spellings goes back
> > in time at least to Paclt (1952), who wrote: "So darf z. B. ... ein
> > ursprünglicher Iapyx durch keinen Japyx ersetz werden". Senckenbergiana
> 33:
> > 358.  [I couldn't find Paclt's work online and got this quote from the
> > footnote shown here:
> > https://www.biodiversitylibrary.org/page/53220317#page/265/mode/1up]
> > >
> > > I share Geoff's impression that "Japyx" is in prevailing usage, but the
> > decision on when to invoke "prevailing usage" is subjective. The
> definition
> > of prevailing usage used in our Code Glossary is:
> > > "Of a name: that usage of the name which is adopted by at least a
> > substantial majority of the most recent authors concerned with the
> relevant
> > taxon, irrespective of how long ago their work was published."
> > >
> > > /Thomas
> > >
> > >
> > > -----Original Message-----
> > > From: Taxacom <taxacom-bounces at mailman.nhm.ku.edu> On Behalf Of Tony
> > Rees via Taxacom
> > > Sent: 11. april 2020 08:54
> > > To: taxacom <taxacom at mailman.nhm.ku.edu>
> > > Subject: [Taxacom] Iapyx vs. Japyx (etc.) in Diplura
> > >
> > > Dear Taxacomers,
> > >
> > > In the Hexapod class (formerly order) Diplura, two forms of the genus
> > name Iapyx Haliday, 1864 are in current use, namely Iapyx and Japyx, same
> > for the family names based on this genus (Iapygidae/Japygidae); Japyx can
> > perhaps be construed either as a lapsus, a subsequent emendation, or a
> > legitimate correction; the name was originally published as
> > >
> > > Haliday, A.H. 1864. *Iapyx,* a new genus of insects belonging to the
> > stirps Thysanura, in the order Neuroptera.
> > > <
> >
> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbiodiversity.org.au%2Fafd%2Fpublication%2Fe22adc15-efeb-48c9-b0fe-990dabe813a3&data=02%7C01%7Ctpape%40snm.ku.dk%7Ca6094a433e454fa615da08d7dde52bd4%7Ca3927f91cda14696af898c9f1ceffa91%7C0%7C0%7C637221848676573152&sdata=s8RlLvk5D4RXp6A3pJj9I2GQisaCS67E%2FjzwseQ%2FC%2BQ%3D&reserved=0
> > >
> > >   *Transactions of the Linnean Society of London* <
> >
> https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbiodiversity.org.au%2Fafd%2Fpublication%2Fa6b0ca4d-471d-4666-96a2-8fee5114bc35&data=02%7C01%7Ctpape%40snm.ku.dk%7Ca6094a433e454fa615da08d7dde52bd4%7Ca3927f91cda14696af898c9f1ceffa91%7C0%7C0%7C637221848676573152&sdata=8NroTl%2BTbWEXNZRSFxRd2ZGbzY7LevxpgiztY8lBdic%3D&reserved=0
> > >
> > >   *24*: 441-447 .
> > >
> > > In the absence of an ICZN ruling on the matter, are there any rules or
> > precedents to decide which spelling is preferable to use, and/or the
> > technically "correct" one?
> > >
> > > Regards - Tony
> > >
> > > Tony Rees, New South Wales, Australia
> > >
> >
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