Zoogeographical Investigations in Southern Greenland. 245 
certainty. Unfortunately, the developement of the Greenland Cran- 
gonidae is but little known (vide Conspectus, where all that is known 
will be found stated under the separate species). 
The young stage here in question having p2 almost as long as pl, 
must be either Nectocrangon or Sclerocrangon. Sclerocrangon ferox, 
EG Specimen 
from St. 65) 
Fig. 3. Nectocrangon lar?, young stage. 
as a deep sea form, may be disregarded, all the present specimens having 
been taken in shallow water (9—17 m.) with the exception of that from 
St. 65, which was brought up by the ringtrawl, with 500 m. wire 
out. There remain, then, Sclerocrangon boreas and Nectocrangon, 
both of which are found as grown specimens in the “Rink” material. 
Selerocrangon boreas, however, is again excluded; Sars has described 
the young stage, or rather the young animal, as altogether resembling 
