10 ALCYONARIA, ANTIPATHAKIA, AND MADREPORARIA COLLECTED BY THE 



that they resemble very closely those attributed to Acanthogorgiw 

 ridleyi obtained by the Challenger off Patagonia. 



This species was also discovered by the Cauclan expedition at their 

 station 6° 21' W., 45° 47' N., 1410 metres. The species obtained by 

 the Hirondelle expeditions from the Golfe de Gascoyne are attributed 

 by Studer to A. truncata and A. horrida, but these came from much 

 shallower water (240 metres and 200 metres respectively). The 

 spicules are mucli larger than those of the type of Acanthogorgia 

 ridleyi, and resemble more closely the spicules of A. muricata, Verrill. 

 The longest of the bent spindles are 1*2 mm. in length. In the other 

 three species they do not attain to a length of 1 mm. There is 

 another difference between our specimens and the type in that on 

 many of the branches the zooids are very closely crowded together, 

 especially at their extremities, instead of being separated by intervals of 

 3-4 mm. The observations 1 have made on a small piece of a branch 

 of one of the type specimens do not quite agree with the description 

 given by Wright and Studer, and in so far as they differ, agree more 

 closely with our specimens. On comparing them I have come to the 

 conclusion that they cannot be regarded as anything but varieties of 

 the same species. 



I may add, in conclusion, that I have compared our specimens with 

 a small dried piece of Acanthogorgia (Blejjharogorgia) schrammi of 

 Duchassaing and Michelotti, and find them to be closely related. 



THE ANTIPATHAEIA. 



Family ANTIPATHIDJE. 



Stichopathes spiralis, Pourtales. 



Antipathes spiralis, Pourtales, Bidl. Mus. Comp. Zool., 1880, p. 114, 

 PL III. 



Stichopathes 2Jourialesi, Brook, Clcallenger Reports, xxxii. 1889, p. 89. 



Station VII. Lat. N. 47° 36'. Long. W. 70° 31'. iti fathoms. 



2 specimens. 



Station XIII. Lat. N. 48" 7'. Long. W. 8° 13'. 412 fathoms. 



4 specimens. 

 This species was obtained by the Caudan at Stations IV. and X., in 

 1410 and 1220 metres respectively. 



Parantipathes larix, Esper. 

 Antipathes larix, Esper. 

 Parantipathes larix. Brook, Challenger Beports, vol. viii. 1889, p. 142. 



