Fig 
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MUSEUM OF COMPARATIVE ZOOLOGY. 69 
.8. Paramuricea grandis V. Part of a branch. Enlarged 4 diameters. 
3a. The same. Spicula: c, d, spinose spicula from the margin of the calicles ; 
i, j, k, flattened irregular spicula from the coenenchyma ; h, one of the 
curved or bow-shaped spicula from the bases of the tentacles; g, one 
of the fusiform spicula from the stem of a tentacle. Enlarged 40 
diameters. 
3b. The same. One of the spicula from the tentacles. Enlarged 75 diam- 
eters. ; 
4, Paramuricea borealis V. Terminal branch and branchlet. Enlarged 2 
diameters. From a dried specimen. 
5. The same. One of the calicles from the original type-specimen (dry). 
Enlarged 8 diameters. 
5a. The same. Spicula: c, d, e, spinous spicula from around the margin of 
the calicles; g, one of the irregular flattened spicula from the calicles ; 
J, one of the transverse, bow-shaped spicula from the bases of the ten- 
tacles. Enlarged 40 diameters. 
5a’.The same. Spicula from the cenenchyma: 7, one of the small warted 
spicula; j, &, 1, irregular and bent forms. Enlarged 40 diameters. 
6. Gersemia longiflora V. One of the branches. Natural size. From the 
alcoholic example. 
6a. The same. One of the calicles. Enlarged 4 diameters. 
6b. The same. Spicula: c, d, e, oblong and fusiform ; f, y, compound forms. 
PLATE IV. 
.1. Lepidisis caryophyllia V. Lower portion of the stalk, with the root-like 
basal lobes. Natural size. 
la. The same. Portion of the stem with three calicles, from an alcoholic 
specimen. Enlarged 4 diameters. 
1b. The same. Proximal end of one of the large spine-like spicula of the 
calicles. Enlarged 75 diameters. 
1b’.The same. Spicula of the calicles: d, one of the large marginal spines; 
e, a marginal or submarginal spine with the tip less projecting; f one 
of the small lateral spicula; g, h, 7, small spicula from the tentacles. 
Enlarged 22 diameters. 
lc. The same. Scale-like spicula of the cenenchyma. Enlarged 75 diam- 
eters. 
2. Acanella Normani V. Part of the denuded axis, to show the mode of 
branching. Natural size. 
2a. The same. Foyr calicles at the end of a branch, from life. Enlarged 4 
diameters. 
2b. The same. Spicula: c, one of the long marginal spines of the calicles, 
but not of the largest size; d, e, smaller spicula found both in the cal- 
icles and cenenchyma; /, one of those found in the tentacles. Enlarged 
22 diameters. 
8. Ceratoisis ornata V. Part of the denuded axis. Natural size. 
3a,3b. The same. Two calicles from different parts of a large alcoholic 
