Spikier, Fig. 32, b, der paa de nederste to Trediedele ligge paa- 

 skraas, men næsten paatvers paa den øverste Trediedel. 

 Spiklerne ligge tæt paa hverandre, ere forskjelligt formede, 

 stærkt takkede, dels lige, dels krumme, dels tap- eller 

 kølleibrmede, Pig. 33. Nogle ere næsten Hade, men de 

 fleste ere dog mere eller mindre runde. De flade ere 

 fra 0.080-0.160"- lange, og fra 0.012—0.040"»» brede, 

 have stumpe Ender, hvorfra Takker udløbe, Fig. 34. 35. 



36. 37. 38. Imellem disse ligge yderst tynde, takkede, 

 snart lige, snart krumme Spindler, 0.060"™ lange, og enkelte 

 Køller med en bladformig udvidet, takket øvre Ende, Fig. 



37, samt et og andet Kors, Fig. 39, som paa Tentakelens Ende 

 er meget simpelt, Fig. 33, a. Til Bindevævets indre Flade 

 fæster sig Muskellaget, bestaaende af Længde- og Tverfibre, 

 Fig. 32, c, der har et Epithelovertræk, dannet af et Lag 

 langstrakte Celler, i hvis ydre, bredere Del sees en lidt 

 aflang Kjerne med Kjernelegeme. Disse Celler ere 0.043""" 

 lange og 0.010"- brede, Fig. 32, å. 



Bleggul. 



Station 338. 



Farven. 



Findested. 



Slægtskarakter. 



Zoanthodemet træformet. Stammen læderagtig; rund 

 med stærkt udprægede, vide Længdekanaler og en mem- 

 branagtig Basaldel. Grenene ordnede rundt Stammen, 

 tykke, tæt besatte med Smaagrene, der bære en større eller 

 mindre Mængde Polyper, som ere retraktile. Stammen og 

 Grenene rige paa Kalkspikler af forskjellig Form. Poly- 

 perne ere baacle paa Krop og Tentakler forsynede med 

 tætliggende Spilder. I Svælgets Bindevæv, Spikelrækker. 

 Septa uden Kalk. 



Artskarakter. 



Zoanthodemet indtil 200""" høit, 80"™ i Omkreds ned 

 imod Basaldelen. Grenene ordnede rundt Stammen, tykke, 

 tæt besatte med Smaagrene, der bære en saa stor Mængde 

 Polyper, at Grenene ere ganske skjulte. Stammen med 

 Grenene rige paa Kalkspikler. Polypernes Krop forsynet 

 med 8 Dobbeltrækker Spilder, der danne paa den forreste 



aboral surface a multitude of spicules are visible, (Pl. I, 

 fig 32, h), which, upon the lowest two-thirds part are placed, 

 diagonally, but almost transversally updn the uppermost 

 third part. The spicules lie close upon each other and 

 are different in form; they are strongly spicate, partly, 

 straight, partly, bent, partly, coniform or clavi-form, (PI. I, 

 fig. 33). Some are almost flat, but most of them are more 

 or less cylindrical. The flat ones measure, from 0.080- — 

 0.160"»» in length, and from 0.012 — 0.040™» in breadth, 

 and they have blunt extremities from which spikes project, 

 (PI. I, figs. 34. 35. 36. 37. 38). Between these lie, extremely 

 thin, spicate, sometimes straight, sometimes bent, fusees, 

 measuring 0.060""» in length; also a few clavi-form ones 

 with a foliaceous-formed dilated spicate superior extremity, 

 (PI. I, fig. 37), besides an occasional cruci-form one, 

 (PL I, fig. 39), that upon the extremity of the tentacle, is 

 very plain, (PI. 1, fig. 33, a). To the inner surface of the 

 connective-tissue the muscular layer adheres, and consists 

 of longitudinal and transversal fibres, (PI. I, fig. 32, c), 

 having an epithelial covering formed of a layer of elongate 

 cells, in whose outer, broadest part, a somewhat oblong 

 nucleus with nucleus body is visible. These cells 

 measure, 0.043""" in length and 0.010""» in breadth, (PL I, 

 fig. 32, a). 



Colour. 



Habitat. 



Pale-yellow. 



Station, Nr. 338. 



Generic characteristics. 



The Zoanthodem arborescent. The stem coriaceous, 

 cylindrical, with strongly marked, wide longitudinal ducts, 

 and a membranaceous basal part. The branches arranged 

 around the stem, and thick; these again, closely beset with 

 branchlets which carry a greater or smaller multitude of 

 polyps, Avhich are retractile. The stem, and the branches, 

 rich in calcareous spicules of different forms. The polyps, 

 both on the body and on the tentacles, are furnished with 

 closely-set spicules. In the connective-tissue of the gullet, 

 spicular series. Septa non-calcareous. 



Specific characteristics. 



The Zoanthodem measures up to 200""" in height, and 

 80""" in circumference down towards the basal part. The 

 branches arranged arround the stem, thick, closely beset 

 with branchlets which carry such a large multitude of pol- 

 yps that the branches are quite concealed by them. The stem, 

 and the branches, rich in calcareous spicules. The body of 



