ARCTIC FAUNA AND FLORA AT PONDERS END. 
38 
Limncea pereger Mull. 
„ palustris Mull. 
* „ truncatula Mull. 
„ stagnalis Linn. 
Valvata piscinalis Mull. 
Sphcerium corneum Linn. 
Planorbis crista Linn. 
,, arcticus Beck. 
,, spirorbis Linn. 
,, leucostoma Millet. 
*Snccinea oblonga Drap. 
„ schumacheri And. 
,, grcenlandica Beck. 
„ elegans Risso. 
Pisidium obtusale Pfr. 
,, nitidum Jenyns. 
„ pusillum Jenyns. 
„ henslowianum Shepp. 
,, subtruncatum Malm. 
,, casertanum Poli. 
COLEOPTERA. 
Carabid^. 
Anchomenus. Several species. 
Cyrtonotus sp. 
Pterostichus sp. 
Carabus sp. 
Elaphrus cupreus. 
DyTISCID/E. 
A gab us ? 
Hydrophilidze 
Hydrobius fuscipes L. 
Apholiidas 
Aphodius. 
JEgialia ? 
Curculionid^: 
Otiorhynchus 
Phylophaga 
Donacea (sericea ?) 
Entomostraca, etc. 
Entomostraca-Cladocera 
Chydorus sphcericus 
Acropevus harpae ? 
OSTRACODA 
Cypris affinis 
„ sp. 
Candona Candida 
C. acuminata ? 
C. neglecta 
E . lactca 
C. vostrata 
Limnicythere inopinata 
Ilyocypris bradyi 
Herpetocypris strigata ? 
H. reptans. 
Cyclocypris serena 
Vermes 
(. Egg-cocoons of aquatic forms) 
Rhizopoda 
Arcella vulgaris 
Flowering Plants. 
Silene maritima With. 
>, sp. 
Alchemilla vulgaris L. 
Potentilla comar um Nestl. 
,, tormentilla Scop. 
„ sibbaldia Hall. 
*Hippuris vulgaris L. 
*Littorella lacustris L. 
Betula nana L. 
Menyanthes trifoliata ? 
A triplex sp. 
*Salix herbacea L. 
*Carex sp. 
Isoetes lacustris L. ? 
Scirpus ( lacustris) ? 
Potamogeton zosterifolius 
,, crispus. L. 
„ heterophyllus 
„ sp. 
Ranunculus hederaceus L. 
, y (acris ?) L. 
