NO. 15 RECENT CRINOIDS IN BRITISH MUSEUM — CLARK 63 



Antedon hystrix 1884. P. H. Carpenter, Proc. Roy. Soc. Edinburgh, vol. 12, 

 P- 365 (2, 3).— 1888. P. H. Carpenter, "Challenger" Report, Comatu- 

 he, p. 165 (2, 3). 



Antedon celtica Brit. Mus., MS. (4). 



1. Discovery Bay, Greenland. — Five medium-sized specimens. 



2. ? Cold Area of Faroe Channel; "Porcupine," 1869. — One 

 specimen. 



3. " Triton" Station No. 4; 6o° 22' N. lat., 8° 21' W. long.; 327- 

 430 fathoms.— One specimen with nine arms ; in one of the post- 

 radial series the first and second brachials of the two arms are very- 

 close together and are followed by a common syzygial pair (third and 

 fourth brachials). 



4. " Vtiringen " Station No. 373. — Two specimens. 



5. Finmark. — One fine specimen. 



HATHROMETRA DENTATA (Say) 



Antedon sarsii 1882. Verrill, Amer. Journ. Arts and Sci., vol. 23, p. 135 



(?2). 



Antedon dentatum 1882. Verrill, T. c, pp. 219, 222 (1, 2). — 1889. (Ver- 

 rill), Report Commissioner of Fish and Fisheries, 1886, p. 860 (1, 2). 



Antedon dentata 1884. Verrill, Report Commissioner of Fish and Fisheries, 

 1882, pp. 657, 661 (1, 2). 



Antedon tenella 1888. P. H. Carpenter, " Challenger " Report, Comatulse, 

 p. 169 (1, 2). 



1. Off Martha's Vineyard. — Four specimens. 



2. Off Martha's Vineyard; 183-258 fathoms. — Three specimens. 



HATHROMETRA NORVEGICA A. H. Clark 



Antedon tenella 1888. P. H. Carpenter, "Challenger" Report, Comatulse, 

 p. 169 (1).— 1892. Bell, Cat. Brit. Echinod. in Brit. Mus., p. 57 (1) — 

 Brit. Mu"5., MS. (2,3,4). 



Antedon sarsii Brit. Mus., MS. (5). 



1. "Triton" Station No. 5; 285-433 fathoms.— Two specimens; 

 there are nineteen cirrus segments. 



2. Trondhjem Fjord, Norway; 150-300 fathoms. — Twenty-two 

 specimens ; the arms are from 75 mm. to 80 mm. long ; the cirri have 

 19-20 segments. 



3. Trondhjem Fjord; 150-300 fathoms. — Two fine specimens. 



4. Norway; 800 fathoms.— One beautiful large specimen with 

 arms about 90 mm. long ; the cirri have 21-22 segments ; the gonads 

 are much swollen. 



5. Norway. — One specimen. 



