•269 
Memoirs and Papers 
By the Late Walter Percy Sladen, F.Z.S., F.L.S., F.G.S. 
Report on the Asteroidea collected by H.M.S. "Challenger" 
during the years 1873-1876. 
Report on the scientific results of the voyage of H.M.S. 
"Challenger": Zoology, Part LI. (Vol. XXX.). Pub- 
lished by order of Her Majesty's Government, 1889, 
pp. 935, 118 plates. 
General Summary of the Asteroidea collected by H.M.S. 
"Challenger" in "Narrative of the Cruise of H.M.S. 
' Challenger.' " 
Report on the scientific results of the voyage of H.M.S. 
"Challenger": Narrative, Yol. L, Second Part. Published 
by order of Her Majesty's Government, 1885, pp. 607-617. 
The Asteroidea of H.M.S. "Challenger" expedition. Part I., 
Pterasteridse. Linn. Soc. Journ. Zool., Vol. XVI., 
pp. 189-246, 1882. 
The Asteroidea of H.M.S. "Challenger" expedition. Part II, 
Astropectinidae. Linn. Soc. Journ. Zool., Vol. XVII., 
■ pp. 2U-269, 1883. 
On the Asteroidea of the Mergui Archipelago, collected for 
the Trustees of the Indian Museum, Calcutta, by Dr. 
John Anderson, F.R.S., Superintendent of the Museum. 
Linn. Soc. Journ. Zool., Vol. XXL, pp. 319-331, 1889. 
Asteroidea dredged during the cruise of the " Knight Errant " 
in July and August, 1880. Proc. Roy. Soc, Edin., Vol. 
XL, pp. 698-707, 1882. 
Asteroidea dredged in the Faroe Channel during the cruise 
of H.M.S. "Triton" in August, 1882. Trans. Roy. Soc, 
Edin., Vol. XXXIL, pp. 153-164, 1883. 
(Determination of the Echinoderms) in " The Zoology of 
Barents Sea," by W. S. M. D'Urban, F.L.S. Ann. and 
Mag. Nat. Hist., ser. 5, Vol. VL, pp. 253-277, Oct., 1880. 
On the Asteroidea and Echinoidea of the Korean Seas. 
Linn. Soc Journ. Zool., Vol. XIV., pp. 424-445, 1879. 
