140 c Canadian Arctic Expedition, 1913-1918 



PLATE XIX. 



Fig. 1. Actinauge verrillii McMurrich. Side-view of a living specimen partly expanded. About 

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



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



strongly contracted; about ^ natural size. 



3. The same. Type. View of a large living specimen, nearly expanded. About natural 



size. 



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



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



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



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



