58 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 6 1 



PEROMETRA PUSILLA (P. H. Carpenter) 



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

 p. 131 (1). 



i. " Challenger " Station No. 192. — One specimen ; this is a species 

 of the genus Perometra, but it differs from P. diomedece in possessing 

 P a ; the synarthrial tubercles are also much more strongly developed 

 than in P. diomedece of equal size ; the radials have the characteristic 

 features of the radials of P. diomedece. 



Subfamily Heliometrin^e A. H. Clark 



Genus HELIOMETRA A. H. Clark 



HELIOMETRA GLACIALIS (Leach) 



Asterias pectinata 1774. Phipps, A Voyage toward the North Pole, p. 284 

 ( ?2). — 1775. Phipps, Voyage au pole boreal fait en 1773, p. 200 ( ?2). — 

 1820. Scoresby, An Account of the Arctic Regions, vol. 1, p. 551 (?2). — 

 1834. Dewhurst, The Natural History of the Order Cetacea and the 

 oceanic inhabitants of the Arctic Regions, p. 284, species V (?2). 



Alecto glacialis 1830. (Leach), Catalogue of the Contents of the Museum of 

 the Royal College of Surgeons of London, part 4, fasc. 1, p. 14, No. 85A 

 ( ?30, ?3i, ?32, I33). — 1833. (Owen), Descriptive and Illustrated Cata- 

 logue of the Physiological Series of Comparative Anatomy contained in 

 the Museum of the Royal College of Surgeons in London, vol. 1, p. 119, 

 No. 435A (?30, ?3i, ?32, ?33). — 1837. (Anonymous), Penny Encyclo- 

 pedia, vol. 7, pp. 390, 39i (?30, ?3i; ?32, ?33)-— 1867. Knight, Natural 

 History, or the Second Division of the English Encyclopedia, vol. 3, 

 pp.98, 100 (?30, ?3i, ?32, ?33). 



Comatula glacialis Brit. Mus., MS. (30, 31, 32, 33). 



Comatula sp. 1859. Forbes, in Forbes and Godwin-Austen, The Natura 

 History of the European Seas, p. 47 (?3). 



Antedon celticus 1873. Wyville Thomson, The Depths of the Sea, pp. 76 

 124, (4, s, 6, 7). 



Antedon cschrichtii 1877. Duncan and Sladen, Ann. and Mag. Nat. Hist 

 (4), vol. 20, pp. 451, 468, 469 (10, 12, 14, 19, 20, 21, 22, 26). — 1879. P. H. 

 Carpenter, Proc. Roy. Soc, vol. 28, p. 386 (24). — 1881. Duncan and 

 Sladen, Memoir of the Arctic Echinodermata, p. 73 (10, 12, 14). — 1886, 

 Levinsen, Dijmphna-Togtets Zool.-botanisk Ulbytte, p. 410 (1). 



Antedon celtica 1881. Duncan and Sladen, Memoir on the Arctic Echino- 

 dermata, p. 75 (11 [figured specimen], 13). — 1881. P. H. Carpenter, 

 Zool. Anzeiger, JG. 4, p. 521 (23). — 1884. P. H. Carpenter, Proc. Roy 

 Soc. Edinburgh, 1883-1884, pp. 365, 375.— Brit. Mus., MS. (11, 13). 



Antedon quadrata 1884. P. H. Carpenter, Proc. Roy. Soc. Edinburgh, 1883 

 1884, p. 375 (6, 7). — 1888. P. H. Carpenter, " Challenger" Report, O 

 matuL-e, p. 149 (6, 8, 9, n, 13, 23). — Brit. Mus., MS. (6, 8, 9, 23). 



