8 REMARKS ON LITHOTH. MURMANICUM. [1908 No. 3] 



Explanation of the Piates. 



All the figures from photographs about '^/■j natural size. 

 PI. I. 



Litliothamnion hreviaxe Fosl. 

 Fig. 1 — 2. Specimens from Skarsvaag near the North Cape. 

 FJg. 3. Water-worn specimen, partly with new branchlets deve- 



loped from the vvorn parts, seen from above. Kjelmo 



in Varangerfjord. 

 Fig. 4. The type-specimen figured in Norw. Lithoth, pi. 2, fig. 1, 



seen from below. Kjelmo in Sydvarangei-. 



PL II. 



Litliothamnion vardbense Fosl. 



Fig. 1—9. Young and older specimens resembling in habit small 



nodules of LitJioth. fornicatum, in part water-worn. 



Balstad in Lofoten. 

 Fig. 10. A much water-worn, compressed specimen, with new 



branches being developed only from parts of the edges. 



Balstad in Lofoten. 

 Fig. 1 1 . One half of a parted specimen approaching in habit 



certain forms of Lithoth. glaciale, in the central parts 



attacked by boring muscles. Mjaanes in Alten. 

 Fig. 14. A dead specimen taken up by excavators in the har- 



bour of Vardo. 

 Fig. 12 — 13, 15. Specimens approaching in habit Lithoth. tophi- 



forme f. sphærica. Svolvær in Lofoten. 



