the Trondhjem Fiord. 445 
“7, Ascidiella, sp. 
“One specimen from Rédberg, 150-200 fathoms, is possibly 
a new species characterized by. its very large stigmata, of 
which there are only two in each mesh, and by the very 
slender bar of the branchial sac. 
“8. Ciona intestinalis, Linn. 
“'Trondhjem, 20-40 fathoms, under western shore. 
“9. Corella parallelogramma, O. F. Miill. 
“One from Trondhjem, near Munkholmen, 20-40 fathoms. 
“ASCIDIAZ COMPOSITAE. 
“ Ham. Didemniide. 
“10. Leptoclinum tenue, Herdman*. 
“ Roédberg. This species was previously known from the 
coast of South America and from the Faroe Channel. 
“ Fam. Polyclinide. 
11. Amarouctum pomum, M. Sars (2) f. 
“ From Rédberg. 
[Note by A. M. N.—Two specimens growing side by side 
dredged in shallow water, each thus far agreeing with Sars’s 
description :—‘ Polyparium magnitudine pugni, luteo-cine- 
reum, subcartilagineum, globosum, absque pedicello, papillis 
parum eminentibus obtectum. Animalia flava (straminea).”” 
From a memory of this description, at the moment when I 
dredged them, it flashed into my mind that these fine large 
compound Ascidians were Sars’s species ; but further than 
that I cannot say, as I did not dissect out the animals before 
sending them to Professor Herdman. ] 
“12. Psammaplidium, sp. n. 
“ Wrom Rédberg. All the species of this genus previously 
* Report ‘Challenger’ Tunicata, pt. ii, Ascidize Composite, 1886, 
p. 281, pl. xxxix. figs. 62 JA jo bedk fies, 3-). 
+ Beret. Somm. 1849 foretagen Zool. Reise i Lofoten og Finmarken 
(Nyt Mae. for Naturvid. vol, vi., 1851), p. 35. 
