20 ARKIV FÖR ZOOLOGI. BAND 7. N:0 36. 



3. Eph. danica Mull. (1. c. pag. 175). — Of this species 

 Wallengren says »från Skandinavien ej sedd af förf.». In 

 the collection it is, liowever, represented under this name by 

 two specimens, bearing the label »Fht ^^6») which belong to 

 this species. 



4. Ejph. glaucops Pict. (1. c. pag. 175) is represented in 

 the collection by 2 specimens collected at »Fht ^^lo>, which 

 both are Epliemera vulgata Lin., subimago $. Of its occur- 

 rence is said in »Förteckningen»: »under Juli månad vid 

 Ringsjön i Skåne». 



5. Leptophlebia marginata L. (1. c. pag. 176). — Is not found 

 in the collection. 



6. Leptophlebia cmda Ketz. (1. c. pag. 176). — Of the two 

 specimens in the collection, one, bearing a label with the 

 name »Potamanthus cinctus» and an other with the locality 

 »Fht» belongs to Euphyurus vespertinus (Lin.) (alhitarsis 

 Bgtn), im. <^, and the other, which has the labels »Jerkin, 

 Norige (Schoyen)» and ■» Leptop)hlehia cincta Retz.» and which 

 is very defective, is Chitonophora Aurivillii Bgtn, imag. 



7. Leptophl. fusca Curt. (1. c. pag. 176) is not found in 

 the collection. 



8. Coenis hrevicauda Fabr. (1. c. pag. 176). — The two 

 specimens in the collection are labelled, the one »Ccenis 

 macrura Steph., C. grisea Pict. $» and »Ifösjön 7 — 81», the 

 other, which is defective, »Ccenis macrura Steph.», all in 

 Wallengren's hand. Both belong to Ceniroptilum diapha- 

 num (MiJLL.) (luteohim auct.), subim. 5- 



9. Ccenis horaria L. (1. c. pag. 176). — Is not found in 

 the collection. 



10. Cloeon dipterum Lin. (1. c. pag. 176). — Several spe- 

 cimens in the collection. It is this species. 



11. Cloeon russulum Mull. (1. c. pag. 176). — Is repre- 

 sented in the collection by about twenty specimens, the most 

 part of which, labelled »Cloeon russidum Mull. 5- Ifösjön 

 7 — 81» in Wallengren's hand, belong to Centroptilum dia- 

 phanum (Mull.) (luteolum auct.), the others are Cloeon di- 

 pterum (L.), im. (^ and (I specimen) Baetis sp. 



12. Centroptilum luteolum Mull. (1. c. pag. 176) is not 

 found in the collection. 



13. Baetis hioculatus Lin. (1. c. pag. 177) is represented 

 in the collection by 1 very defective and indefinable subimago. 



