140 G Canadian Arctic Expedition, 191S-1918 



Plate XIX. 



Fig. 1. Actinauge mrrdlii '^Ic'islwrcich. Side-view of a living specimen partly expanded. About 

 \ natural size. The base enclosed a ball of mud for anchorage. 



2. Aciinauge rugosa Verrill. New species. A medium size specimen in life with the body 



strongly contracted; about i natural size. 



3. The same. Tj-pe. View of a large living specimen, nearly expanded. About natural 



size. 



4. Urticina crassicornis (MiLll.)Ehr. View of the disk and expanded tentacles of a large 



living specimen, with nearly plain-coloured tentacles. About J natural size. 



5. Chondractima tuberculosa Verrill. Type. View of an alcoholic specimen. About 



natural size. Drawings by J. H. Emerton, except No. 2, by the author. 



