2 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 73 



genera, but if any group of specialists finds that because of the literature on said 

 group this Opinion will produce greater confusion than uniformity, the Commis- 

 sion is prepared to take up individual cases under arguments which may be 

 submitted. 



Pursuant to these instructions, the Secretary presented the draft of 

 this Opinion for formal vote. 



The adoption of this Opinion automatically settles the case of Bulla 

 now before the Commission, i. e., the alleged subgenus Bulla Linn., 

 1758, insect, is not a subgenus under this Opinion and therefore does 

 not affect in any way the standing of Bulla Linn., 1758a, mollusk. 



Even in absence of this Opinion the case of Bulla would be settled 

 under the following amendment to Article 36 (on homonyms) adopted 

 at Padua, 1930: 



When homonyms are of the same date, whether by the same or by different 

 authors, then any name proposed for a genus takes precedence over a name 

 [its homonym] proposed for a subgenus. The same principle is applicable to 

 homonyms of species and subspecies of identical date. 



The Secretary has the honor to recommend that the Summary as 

 given above be accepted as the Opinion of the Commission. 



Opinion prepared by Stiles. 



Opinion concurred in by thirteen (13) Commissioners: Apstein, 

 Bather, Chapman, Cabrera, Pellegrin, Plorvath, Ishikawa, Jordan 

 (K.), Stephenson, Silvestri, Stejneger, Stiles, Stone. 



Opinion dissented from by no Commissioner. 



Not voting, five (5) Commissioners: Bolivar, Handlirsch, Jordan 

 (D. S.),Richter, Warren. 



