68 



lige som krumme Spindler, der ere dels takkede, dels 

 vortede, fra 0.260—0.300"»" lange og fra 0.035— 0.060"™ 

 brede, Fig. 66; særegne korte, bladede Klubber med et 

 kort, bredt Skaft, Fig. 67. Imellem disse Spikier findes 

 paa enkelte Flækker af Bagkroppen, især paa Bugsiden, 

 Samlinger af smaa, meget forskjelligt formede, mere eller 

 mindre flade Spikier, der ere fra 0.003 — 0.070"™ lange og 

 fra 0.002—0.020"™ brede, Fig. 68. 



Tentaklerne have paa Midten af deres aborale Sides 

 nederste Halvdel en tyk Bibbe af Spilder, der dannes 

 væsentligst af krumme og lige, takkede og vortede Køller, 

 som ere 0.200"™ lange, 0.040"™ brede, Fig. 69. 70. Oven- 

 for og til Siderne af disse Køller sees meget mindre 

 Spikier i Form af Køller, Spindler, Klubber og Firlinger; 

 flere af dem ere meget smaa, fornemmelig de, som ligge 

 op imod Tentakelens Ende, men de fleste ere dog fra 

 0.050-0.080™'" lange og fra 0.016— 0.032"»» brede, Fig. 71. 



Farven. 



Stammen og Grenene havannabrune. Smaagrenene og 

 Polyperne lys kastaniebrune, men Tentaklerne og især 

 Pinnulerne intens mørkebrune. 



Findested. 



Station 48. Et Exemplar. 



Artskarakter. 



Zoanthodemet 60"™ høit. Stammen ved Grunden 45"™ 

 i Omfang, furet paalangs og fra Basaldelen til Toppen 

 rundtom forsynet med tætstaaende Grene. Basaldelen 

 læderagtig, skiveformigt udvidet. Grenene tykke, runde, 

 furede og fra deres Udspring tæt besatte dels med Sniaa- 

 grene, dels med enkeltstaaende Polyper. Smaagrenene 

 korte, tykke, bære overalt Polyper, ordnede i tætte Grupper 

 af Udseende som Drueklaser. Stammen, Grenene og 

 Smaagrenene rige paa Kalkspikler. Polyperne traktformige, 

 8 — 9"™ lange. Forkroppen mod Tentakelranden stærkt ud- 

 videt; Bagkroppen smal, lang. Hele Kroppen rig paa 

 Spikier, bestaaende væsentligst af bladede Køller, men 

 opimod Tentakelranden er der imellem Tentaklerne et 

 triangulært Spatium uden Spilder. Tentaklerne vel for- 

 synede med Spikier af forskjellig Form, Pinnulerne uden 

 saadanne. Zoanthodemet overalt tæt besat med Nema- 

 tocyster. Farven lys kastaniebrun med intens mørkebrune 

 Pinn uler. 



0.060"™ in breadth (figs. 64. 65); also, both, straight and 

 bent fusees which, partly, are spicate, partly warted. and 

 measure from 0.260—0.300"™ in length, and from 0.035 

 — 0.060""" in breadth (fig. 66); peculiar short foliaceous 

 clavates having a short broad shaft (fig. 67). Between 

 these spicules, on some spots of the posterior body, 

 especially on the ventral side, collections of minute, very 

 variously formed, more or less flat, spicules may be seen, 

 which measure from 0.003 — 0.070"™ in length, and from 

 0.002—0.020"™ in breadth (fig. 68). 



In the middle of the lowest half part of their aboral side, 

 the tentacles have a thick spicular rib formed, principally. 

 of bent and straight, spicate and warted subclavates, which 

 measure 0.200""" in length, and 0.040"™' in breadth (figs. 

 69. 70). Above, and to the sides of these subclavates, 

 much smaller spicules are seen, having the forms of subclavates, 

 fusees, clavates and quadruplets ; many of them are very 

 minute, especially those that are situated up towards the 

 extremity of the tentacle, but most of them, however, mea- 

 sure from 0.050—0.080™" in length, and from 0.016— 

 0.032"™ in breadth, (fig. 71). 



Colour. 



The stem and the branches are Havana-brown. The 

 branchlets and the polyps, light chestnut-brown; but the 

 tentacles, and especially the pinnules, are intense dark- 

 brown. 



Habitat. 



Station ]Mo. 48. One specimen. 



Specific characteristics. 



The Zoanthodem measures up to 60"™ in height. 

 The stem, at its base, measures 45"™ in circumference, is 

 longitudinally grooved, and from the basal part to the 

 summit is furnished, round about it, with closely- set 

 branches. The basal part is coriaceous and discoidally 

 dilated. The branches thick, cylindrical, grooved, and, 

 quite from their root, are closely beset, partly, with branch- 

 lets, partly, with isolated polyps. The branchlets short, 

 thick, and, everywhere, carry polyps arranged in closely- 

 set groups having the appearance of clusters of grapes. 

 The stem, the branches, and the branchlets, rich in cal- 

 careous spicules. The polyps are infundibuliform and mea- 

 sure 8 — ■9"™ in length. The anterior body, towards the 

 tentacular margin, is strongly dilated. The posterior body 

 is long, and narrow. The entire body rich in spicules con- 

 sisting, principally, of foliaceous subclavates, but up towards 

 the tentacular margin there is, between the tentacles, a 

 triangular space devoid of spicules. The tentacles well 

 furnished with spicules of variable form, whilst the pin- 



