THE ANNALS 
AND 
MAGAZINE OF NATURAL HISTORY. 
[FIFTH SERIES. ] 
No. 72. DECEMBER 1883. 
XLII.—Remarks on an Essay by Prof. G. Lindstrém, entitled 
“Contributions to the Actinology of the Atlantic Ocean,” and 
a Reply to some of his Criticisms. By Prof. P. Martin 
Duncay, F.R.S., V.P.G.S., &e. 
In 1876 Prof. Lindstrém communicated his essay * on the 
actinology of the Atlantic Ocean to the Royal Swedish Aca- 
demy. It contained descriptions of corals which had been 
dredged up from off the Josephine Bank and the sea-floor 
near the Azores, Virgin Islands, Salt Island, and Anguilla. 
The depths varied from 109 to 980 fathoms. 
After reading the essay carefully and comparing Prof. 
Lindstrém’s statements with those of his predecessors in the 
same kind of research, I found that he differed from every- 
body in opinion, and often in matters of fact. I have hitherto 
carefully avoided disputation in scientific matters, and I felt 
no disposition to reply to Prof. Lindstrém, especially as I was 
aware how erroneous many of his statements were. I hoped 
that time would bring some remarks from him after M. de 
Pourtalés and Prof. H. N. Moseley, F.R.S., had contravened 
some of his assertions. But lately having been engaged in a 
* Kongl. Svenska Vetenskaps-Akad. Hand]. Bd. xiy. no. 6, published 
in 1877. 
Ann. & Mag. N. Hist. Ser. 5. Vol. xu. 27 
