588 
REPORT—1885. 
3. Crisia eburnea Linn.= Sertularia zd. Linn. 
0. 
AT 
= Crisia eburnea, authors generally. 
(?) C. Haneri, Reuss (fide Manzoni) 
= Crisia (group A), Vine, 5th ‘ Rep. Foss. Polyzoa,’ 1884. 
Localities : Generally distributed, British seas. 
Geogr. Distrib.: North and Arctic Seas; St. Lawrence ; 
Labrador ; St. George’s Banks ; California; Fiji 
Islands ; New Zealand ; Australia ; Virago Sound 
(Queen Charlotte Islands) ; Madeira ; Mediterranean. 
eburnea, var. a, aculeata, Hassall. 
British localities : Kingstown MHarbour ;_ Brighton 
(Hassall) ; Antrim; Ayrshire; Shetland (see Hincks, 
pp. 420-1 pl. lvi. figs. 5, 6, woodcut, fig. 21, p. 416. 
Busk, ‘ Cyclostomata,’ p. 4, pl. ii. figs. 1, 2, pl. v. figs. 
12:5): 
eburnea, var. (2, producta, Siitt. 
The position of this form is doubtful. Norman refers it 
to eburnea; Smitt places it between the two. Mr. 
A. W. Waters (‘ Bay of Nap. Bry.’) ranks it as a 
distinct species, and remarks: ‘ As there are connect- 
ing links between this and cornuta it might be called 
C. cornuta var. producta, or even C. geniculata, var. 
producta.’ In his description, however, Mr. Waters 
says the ‘ ovicell axillary.’ Mr. Hineks, ‘ Brit. Mar. 
Pol.’ places it as above. Mr. Busk (‘ Cyclostomata,’ 
p- 10) says, ‘ Probably only a variety of C. cornuta. 
(vide pl. 1. fig. 3); it does not appear to have any 
character in common with C. eburnea.’ 
Locality : Shetland, 100 to 170 fathoms. 
Geogr. Distrib: Naples littoral (rare) ; Scandinavia ; 
Nova Zembla, 5 to 10 fathoms. 
denticulata, Lamk.= Cellaria id. Lamk. 
= C. luxata, Flem., Blainv., Johnst., Couch 
= Crisia and Cellaria arctica, Sars 
= (?) Crisia attenuata, Heller (fide Hincks). 
Hincks, p. 422, pl. lvi. figs. 7-9. 
Busk, p. 4, pl. i. figs. 3, 4, pl. iii. figs. 1-6, pl. iv. figs. 
1-4. 
Waters (‘ Bay of Nap. Bry.’ ‘ Ann.,’ Ap. 1879), p. 269 pl. 
xxii. fig 2. 
Localities, Brit.: Very generally distributed. 
Geogr. Distrib.: Roscotf; Adriatic (Heller) ; Madeira; 
South Africa (Busk) ; Norway; Spitzbergen; Kara 
Sea; Grand Manan (Busk says?); Houston Stewart 
Channel (Hincks) ; Franz Joseph Land (S. O. Ridley). 
fistulosa, Heller (non Busi) Adriatic 
= (?) C. eburnea (pars Smitt), A. W. Waters. 
= C. Haueri, Reuss (A. W. Waters, ‘ Bry. Bay Nap.’) 
= (?) C. eburnea, Manzoni (see No. 3,‘ Bry. Bay Nap.,’ 
Waters, pl. xxii. fig. 8. ‘ Prof. Heller’s comparison 
with C. geniculata would be very inappropriate for the 
C. fistulosa of Busk, A. W. Waters. 
Loc. : Naples ; Adriatic? (Heller). 
a 
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