KUNGL SV. VET. AKADEMIENS HANDLINGAR. BAND 48. N:o 1. 
An 
vu Pp 
14 (ES AR AN (RE a (0 P7 Er NO 
0 
se td nen LR (ÅS CE [ET IE EN 
IRRRERTEEEES 
fe. ee 
I EE) AA JE PONTE 
C) 2 3 6 1 LJ v) 10 ”"n 0 oo 14 15 16 n 18 19 
Y 3 n/ 5 ,& a LJ 9 Ort Iw 13 YrNS 16 (hi Id 19 
Fig. 1. Fig. 2. 
ilj 
10 [AS 
9 - 
8 = 
[] 
- 
jane ni ge io bal 
ENE va 
Figs. 1—3. Margarita groenlandica. 1. Spitzbergen. 2. Greenland. The broken line marks the limit between 
forma typica and var. umbilicalis. 3. Norway and Iceland. — The squares mark specimens, which are the 
true forma typica, the circles (Spitzbergen) the true var. umbilicalis. The upper zone indicates the diameter, 
the lower one the height. é 
