518 REPORT—1868. 
scaly investiture of irregular-shaped cribriform calcareous plates. Found 
in St. Magnus Bay, and also on the Balta Haddock-ground. 
Synapta digitata (Montagu)=Chirodota digitata, Forbes, British Starfishes, 
. 239. 
: A vinous-purple Synapta, which was taken in 1861 in 40 fathoms, 
about 5 miles north of the Whalsey Lighthouse, and also on the Out 
Skerries Outer Haaf, I cannot distinguish by any other character except 
colour from S. digitata, to which, therefore, I assign it as a variety. 
—— inherens (Miiller)=Holothuria inherens, Miller, Zool. Dan. pl. xxxi. 
figs. 1-7; Von Diiben & Koren, Ofversigt af Skand. Echinod. p. 322, 
pl. v. figs. 56-62 ; Woodward & Barrett, Proc. Zool. Soc, 1858, p. 363. 
St. Magnus Bay, 1867; two or three specimens. 
Class: ACTINOZOA. 
In the Zoantharia the arrangement of Gosse’s ‘History of British Sea 
Anemones and Corals’ is followed, and in the Alcyonaria Johnston’s ‘ British 
Zoophytes.’ 
Order ZOANTHARIA. 
Actinoloba dianthus (Ellis). In extraordinary profusion in the caves at 
Burrafirth ; also under rocks between tide-marks. 
Sagartia troglodytes (Johnston). In crevices of rocks between tide-marks to 
the south of Lerwick. 
viduata (Miller). ‘Common, low water to 15 fathoms, Out Skerries, 
Unst, and Dourie Voe, 1864” (fide Peach in litt.). 
Adamsia palliata (Bohadsch). Haddock-grounds, common, 
Actinia mesembryanthemum, Ellis & Sol. 
intestinalis, Fleming. An obscure species. Fleming says of it, “It 
adheres to rocks at low-water mark, Zetland” (Johnston, Brit. Zooph. 
p. 219). 
vermicularis, Forbes. “ Dredged in 50 fathoms by Mr. M‘Andrew and 
myself between Sombro’ Head (Zetland) and Fair Island; also in 80 fa- 
thoms, west of Zetland,” Professor E. Forbes (Jchnston, Brit. Zooph. 
p. 222, pl. xxxviii. figs. 2-5). 
Bulocera Tuedie (Johnston). A very fine specimen on the Haddock-ground 
to the north of the Out Skerries in 40-50 fathoms, and another off Unst 
The detached tentacles are much more frequently met with. 
eques, Gosse. A magnificent specimen dredged in 1863 in 80 fathoms 
to the north of Unst, and again obtained by Mr. Peach in 1864 near the 
same place, in 100 fathoms. 
Teaha digitata (Miller). Very abundant on the Outer Skerries Haaf, 
attached to shells of the rarest univalve Mollusca, Fusus Islandicus 
(true), . Berniciensis, F. Norvegicus, Buccinopsis Dalei, as well as to 
those of the more common /us?, and of the deep-water form of Bucci- 
num undatum. 
crassicornis, Miller. 
Stomphia Churchice, Gosse. In 110 fathoms, sandy ground, on the Outer 
Haaf off Unst, 1864 (fide Peach), and St. Magnus Bay, 1867. 
Arachnactis albida, Sars. ‘‘ Abundantly in the towing-net, 1862” (Allman 
in litt.). 
Corynactis viridis, Allman. Very local, on the spot between tide-marks, Out 
Skerries, and in about 10 fathoms. Mr. Peach tells me he found it in 
1864 on a stone dredged in 100 fathoms off Unst. 
