MELVILL: THE PRINCIPLES OF NOMENCLATURE. 455 
Answer: No. 37 votes. 
Doubtful. 2 votes. 
WES 5 MOUS. 
[The Linnean genus Chiton is given as example, none of 
Linnzeus’ four species now being included in the typical genus. | 
Questions XIII.—XVII. refer to the authorship of genera, 
and rules and regulations in connection with them. 
(XVIII.) When a generic name has lapsed from sufficient 
cause into synonymy, should it be thenceforth entirely 
rejected from nomenclature ? or should it be still applicable 
to any new and valid genus? 
Answer: Reject. 19 votes. 
Accept. 23 votes. 
(XIX.) Should a name which has been once used in one sub- 
kingdom, and has lapsed into synonymy, be considered 
available for use in any other if not entirely rejected from 
nomenclature ? 
Answer: No. 20 votes. 
Doubtful. 1 vote. 
Yes. 18 votes. 
Questions XX.—XXIV. principally refer to the possibility 
of inappropriate names being changed, statute of limitations as to 
fixity of tenure of well-known names, objected to after a term of 
years, etc. 
(XXV.) Question asked whether it be desirable to adopt any 
classification of periodical literature by which certain ex- 
clusive channels of publications of descriptive papers on 
Natural History shall be designated for use by authors who 
desire to secure the rights of priority for new names 
preferred by them ? 
Answer: No. 26 votes. 
Mesto) votes: 
Desirable but impracticable, 9 votes, 
