408 



9. Ornithobius goniopleurus Denny. 



Gaaseland 10. 8. 91. 



Hosts: Anser canadensis, Mergus merganser. 



Liotheidæ. 



1. Trinotron conspurcatum N. 

 Gaaseland on Anser albifrons 11.8.91. 



Hosts: Cygnus olor and C. musicus, Anser domesticus. 



2. Fhysostotïium nifMissimum N.? 

 Hekla Havn, in siftings, 3. 1892. 

 Hosts: Emberiza citrinella. 



Physopoda. 



Tbripidæ. 



1. Physopus vulgatissimus Uzel. 



Taagefjord 6.92, Gaaseland 12.7.92, Rode Ö 14.8.92. 



Geographical distribution: Several places in West- 

 Greenland; also known from England, Germany, Bohemia, Austria 

 and Finland. 



Collembola. 

 Smyntliuridæ. 

 1, Smynthurus concolor Meinert. 

 A short series from Кар Stewart 6.8 91. 

 Geographical distribution: Two specimens found at 

 Frederikshaab, West-Greenland; unknown from other localities. 



Deegeriadæ. 



1. Isotoma virides Gml. 



Hekla Havn 3.91, Кар Stewart 5.8.91, Hold with Hope 

 20.7. 91. 



Geographical distribution: Common in West-Green- 

 land; widly distributed over the whole North and Central Europe^ 

 and North America. 



2. I. quadrioculata Tallb. 

 Hekla Havn 3. 92. 



