94 Zoological Nomenclature. 
by any material alterations the rules of zoological nomencla- 
ture which were authorized by Section D at the Meeting o 
the British Association at Manchester in 1842. 
III. The Committee are of Do ll after much eben 
that the XIIth edition of the ‘Systema Nature’ 0 
which the limit of time should apply, viz., 1766. But as ie 
works of Artedi and Scopoli have already been prensa 
used by ichthyologists and entomologists, it is recommended 
that the names contained in or used from these authors chou 
not be affected by this provision. This is particularly requi- 
site as regards the generic names of Artedi, afterward used by 
Linneus himself.* 
n Mr. H. E. Strickland’s original draft of these Rules and Recommen- 
detions the edition of Linneus was left blank, and the XIIth was inserted by 
the Manchester Committee. "This s was done not as being the first in which the 
- Binomial nomenclature had been used, as it commenced with the Xth, but as 
ee the last and most ee edition of Linné’s works, hes containing 
many species the Xth did n For these reasons it is now confirmed by 
this Committee, and also eat these ae having sig nine ene acted 
upon for twenty-three years, if the date were altered now, m anges of 
names would be required, and in consequence much confustan er 
IV. In Rule 13th, Fh ri agi names, when adopted as Rip 
ric, must be changed. e co mittee agree that it x- 
ceedingly pase to ees a aeniais name as a econ 
name, but they are of opinion that where this has been done, 
it is the generic name which must be thrown aside, not the 
old 2 name, and that this rule should be so altered as to 
meet thi 
V. The recommendations under “ Classes of objectionable 
names,” as already pointed out, cannot be too carefully atten- 
ded to, Specific names from persons have already been sufii- 
* If the cas ad is to be Ri dart as the limit of priority, it will be eet 
exception 
sary to make addition: 
Elenchus Zooph on. was published nearly two peat before the last vo shea of 
the Systema Nature, ed. XII, and contains a much greater number of species wee 
ments of zodlogy it will uske He difference whether the Xth or XIIth edition be 
regarded as the limit.— 
