125 



12. C. pygmceum 111. — Gyll. Ins. Sv. 1. 104. 5. — Thoms. Col. 

 Sc. 2. 109. 18. 

 In stercore ad Christianiam repertum. 



Cryptopleurum Muls. 



Sphseridium Gyll. 



1. Cr. atomarium Fabr. — Gyll. Ins. Sv. 1. 106. 7. — Thoms. 

 Col. Sc. 2. 111. 1. 



Hab. in stercore bovino ad Christianiam freqvens; in 0ster- 

 dalia, Gudbrandsdalia, in insula Smolen et in alpe Dovre etiam 

 vulgare repertum. 

 Var. b Gyll. ad Christianiam lecta. 



Series III. Amphibii GylL 



Fam. X. Gyrinidce Leach. 



Gyrinus Lin. 



1. G. natator Lin. — Gyll. Ins. Sv. 1. 141. 1. — Thoms. Col. Sc. 

 2. 115. 1. 



Hab. in aqvis stagnantibus ad Christianiam, ad Sarpsborg 

 (Grimsgaard), ad Drammen et in Hvaloerne (Collett), in 

 Ringerike, Odalen, 0sterdalen et Gudbrandsdalen, nec non ad 

 Nses Vaerk et Bergen (Schneider). 



2. G. marinus Gyll. — Gyll. Ins. Sv. 1. 143. 4. — Thoms. Col. 

 Sc. 2. 116. 3. 



Ad Christianiam, in lacu ad Losset in parochia Aamot 0ster- 

 dalise copiosissime, in insula Smolen, ad Kraakenses in Stran- 

 debarm (2000' s. m.) et ad Bergen (Schneider) captus. 

 Var. b TJioms. — G. dorsalis Gyll. Ins. Sv. 1. 142. 3. 

 Rarius ad Christianiam lecta. 



Var. c Thoms. — G. opacus Gyll. Ins. Sv. 4. app. 380. 4—5. 

 Ad Christianiam, in parochia Modum et ad Fogstuen et Jerkin 

 in alpe Dovre inventus. 



