VEG A-EBXPEDITIONENS VETENSKAPLIGA ARBETEN. 469 
Ni 
> SN 
> 14—2 
Jen, LT 
AR sr IE: 
> NS 
» 19 
Fig I 
> 2 
> Da 
» 4. 
> 3— 
» T-—38 
» 
> 10. 
Explanation of the plates. 
Plate 22. 
Åscetta coriacea var. The quadriradiate spicules are not so 
numerous as the triradiate ones. 
Ascandra mirabilis. 
Leucandra cylindrica. The minute acerate spicules, figured 
16, are sometimes smooth. 
Plate 23. 
Hyalenoma rosea. 1. The one point of the long acerate 
spicules. 2. The terminations of the acuate (spinulate) 
spicules. 4. The middle portion of the same spicule as 
in fig. 3, being inflated at the centre. 7. The branched 
part of a qguingqueradiate spicule, the branches being 
armed with very minute spines. 
Hyalonema foliata. 16. One of the rays of the rosette 
figured 15, more magnified. The spicules of this sponge, 
which not are figured, are of the same kind and large- 
ness as in the preceding species. 
Chalina Vega. 
Chalina grenlandica. 
Plate 24. 
Remera tubulosa. 
Reniera arctica. 
Remiera ventilabrum. 
Myxilla septentrionalis. 
Amorphina faseiculata. 
Amorphina nodosa. 
Amorplana renteroides. 
Amorphina grisea. 
