LÈucoPSACiDi;. 29 



LEUCOPSACID^e. 



In '98 (p. 41) I introduced into the system a grou]) by 

 the name of Lencopsacinas to which the status of a subfamily 

 under the Rossellidae was given. It is herewith made a distinct 

 family with some change in its scope and definition. 



To the Leucopsacinjç, as a Rossellid subfamily, I originally 

 referred the following six genera : 



1. Leucopsacus I J. (With 2 species, L. orthodocus I J. and 



L. scoliodocus Ij,). 



2. Cliamiopledella Ij. (With 2 species, C cavenioda Ij. and 



G. spinifera n. sp.). 



3. Caulocalyx F. E. Sch. (With 1 species, C. teuer F. E. 



SCH.). 



4. Placopegtna F. E. Sen. (With 2 species, P. sohUiim F. 



E. ScH. and P. sp.). 

 o. Aulocalyx F. E. Sch. (With 1 species, A. irregularis F. 



E. Sch.). 



6. Euryplegma F. E. Sch. (With 1 species, E, auriculare 



F. E. Sch.). 



I now think that the two last named genera, viz., Aulocalyx 

 and Euryplegma, had better be separated from the group in 

 question as well as from the Rossellidœ altogether and placed 

 under a dictyonine family, Dactylocalycida^ together with Dac- 

 tylocalyx, JLargaritella, and Myliusia^- I am led to this conclusion 

 chiefly by reason of an essential agreement in the characters of 



* With 3[y(iusia GliAV ii i)rubiil)ly 'KhnucullScknpIc^ma O. ScHM. 



