470 
FRISTEDT, SPONGES. 
Fig. 
> 
2 
»” 
» 
» 
» 
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IE 2 
13. 
14. 
lör 
3—20. 
21 
22-726 
20—8 Il 
32—39. 
DÖD 
35—45 
| —2. 
SE 
UU U25 
3 LO 
20—24. 
ZADAR 
SÖS 
Hd 
40—46. 
47 —50. 
Jil JO. 
MÖT 
60—635. 
66 —69. 
förr 2 
fä TT. 
1 
2. 
DJ 
ds 
Amorpluna fibrosa. 
Eumastia sitiens. 
Isodictya Dicksonu. 
Artemisina suberttoides. 
Hymeraplha spitzbergensis. 20. Bundle of minute, slightly 
curved acuate spicules. 
Polymastia paupera. 
Tethya sibirica. 
Gellius arcoferus. 
Desmacella rosea. 
Desmacella porosa. 
Desmacella Peachi var. grenandica. 
posed by several very minute globular bodies, figured 
44. Gemmule, com- 
in fig. 45. 
Plate 25. 
Cornulum ascidiorides. 
Cornulum enteromorphoides. 
Hastatus foliatus. 
Hastatus indistinctus. 
Esperia lingua var. arctica. 22. Inegquianchorate spicule, 
from front and side. 
Esperia helios. 
Esperia Sophia. 
Esperia villosa. 39. Different form of the bihamate spicules. 
Forcepia grenlandica. 46. 
spicule more magnified. 
Cribrella hospitalis. 
Melonanchora elliptica. 
Cladorhza Nordenskiöld. 
Cladorhiza nobilis. 
Cladorhiza cupressifornus. 
much less magnified to show the reciprocal largeness. 
Clathria Lovén. 
Clathria corallorhizoides. 
The one end of a forcepiform 
69. 'The inequianchorate spicule 
Plate 26. 
(Magn. ”/,.) 
The same; section to show the inner part of the ciliary 
fringe. (Magn. ?”/,-) 
Leucandra cylindrica. 
Ascandra mirabilis. 
(Magn. "'/s5). 
