92 



at about the same time by Mr. & Mrs. Gepp^). As pointed out 

 later on in their monograph, p. 45, the similarity of the struc- 

 ture of the frond is 

 very striking, this 

 species also hav- 

 ing: »the tortuous, 

 branched, irregu- 

 larly swollen peri- 

 pheral filaments 



felted into a 

 pseudo-cortex of 

 the frond« but on 

 the other hand 

 their habit and 

 geographical di- 

 stribution are very 

 different. 



This species was 

 found at St. Tho- 

 rn a s : at several 

 places in the sea to 

 the West of Water 

 Island at a depth of 

 about 20 meter. S t. 

 Jan: of Christians- 

 fort in about 30 

 meters of water, and 

 near the isle Gr. St. 

 James in the Sound 

 Fig. 75. Avrainvillea asarifoUa Borgs. between St. Thomas 



a—f, part of fdaments, g, chromatophores. and St. Jan at the 



(a—f, about 70:1, g about 170:1). same depth. 



Rhipilia Ktitz. 



1. KbiplMa tomentosa Kiitz. 



KiiTziNG, Tab. Phyc, vol. VIII, 1S58, pag. 12, tab. 28, fig. 1. Murray 

 & Boodle in Journ. of Bot. vol. XXVII, 1889, p. 72. A. & E. S. Gepp, The 

 Codiacese of the Siboga oxpodition. Monographic LXII, 1011, p. 54, figs. 

 126—129. 



A. and E. S. Gepp, Marine Alga^ (Chlorophyceae and Phseophyceae) and 

 marine Phanerogams of the »Sealark« Expedition (Transact. Linn. 

 Soc. Bot., VII, 1908, p. 178, pi. 23, fig. 20,; pi. 24, figs. 21, 22,; Zool., 

 vol. XII, 1909, p. 388, pi. 48, fig. 20; pi. 49, figs. 21, 22). 



