ERRATA ET CORRIGENDA. 
Page Line 
21, 18, for March read April. 
65, 7, for 370 read 484. 
136, 35, for 16 read 656. 
188, 6, for Tschitrea read Tchitrea. 
349, 23, for IX. read X. 
350, 30, for IX. read X. 
353, 29, for Trichastoma read Trichostoma. 
363, 34, for Gliciphila read Glyci'phila. 
376, 34, for Trichastoma read Trichostoma. 
385, 13 & 23, for Briiggeman read Briiggemann. 
420, 28, for (Edemia read Fuligula. 
