393 
thickness as that of Kj ell man’s, viz. some 14—16 (i; they differ 
from Kj ell man’s specimens in one point only: in their tufts being 
Fig. 62. Rhodochorton Rothii (Turt. l Nag'. Older tetraspore-bearing' branchlets grown out into long 
branches, a single tetraspore still to be seen. 65 : 1. 
somewhat shorter; they have hardly ever been found higher than 
1 cm. while Kj ell man reports the Spitzbergen specimens to be 
2—3 cm. high. Excepting this the Spitzbergen and Fseroese speci¬ 
mens seem to correspond exactly. But I think that the differences 
