300 



0. D. hidens Oliv. — Gyll. Ins. Sv. 4. 648. 2. — Thoms. Col. Sc. 

 8. 111. 6. 



Hab. in foliis Nymphsese et Potamogetonis ad Christianiam, 

 Sarpsborg (Grimsgaard), in Hval^erne (Collett), in par- 

 ochiis Odalen, Grue atqve Aamot, nec non in insula Sm^len, 

 freqvens. 



6. D. dentata Hoppe. — Thoms. Col. Sc, 8. 111. 7. 

 Ad Christianiam capta. 



7. D. SjMrganii Ahrnst. — Gyll. Ins. Sv. 4. 672. 2—3. — Thoms. 

 Col. Sc. 8. 113. 8. 



In parochia Nordrehaug a Doctore Thome capta. 



8. D. Sagittarice Fab. — Gyll. Ins. Sv. 3. 651. 4. — Thoms. Col. 

 Sc. 8. 114. 10. 



Hab. in plantis aqvaticis ad Christianiam in Toien, Hovind, 

 0stens0 et Ladegaards0en, et in parochiis Enebak et Aamot, 

 freqvens. 



9. D. ohscura Gijll. — Gyll. Ins. Sv. 654. 6. — Thoms. Col. Sc. 

 8. 115. 11. 



Hab. in plantis aqvaticis ad Christianiam rarius; ad Na^s Vterk 

 a Dom. (Schneider) etiam reperta. 



10. D. aqvatica Lin. — Thoms. Col. Sc. 8. 116. 12. — D. denti- 

 pes Gyll. Ins. Sv. 3. 650. 3. 



Hab. in plantis paludosis, imprimis in Caricetis ad Christia- 

 niam in T^ien, Hovind minus freqvens; in Hval0erne et in 

 Losby Brug in L0renskoven (Collett), ad Sarpsborg, in Grue, 

 Elverum et Fron, nec non ad NffiS Vaerk et in Birkenaes in 

 Strandebarm (S ch n e i d e r) inventa. Juli. 

 Vcir. h Gyll. ad Christianiam lecta. 



11. D. impressa Payk. — Gyll. Ins. Sv. 3. 655. 7. — Thoms. Col. 

 ■ Sc. 8. 117. 14. 



In plantis paludosis ad Christianiam, in Hval0erne (Collett), 

 et in parochia Nordrehaug inventa. Juli. 

 Var. b Gyll. in 0stens0 ad Christianiam lecta. 



12. D. Unearis Hoppe. — Gyll. Ins. Sv. 3. 669. 13. — Thoms. 

 Col. Sc. 8. 120, 17. 



