MUSEUM OF COMPARATIVE ZOOLOGY. 33 



National Museum through Mr. Clark has added a number of his 

 recently described species. 



The collection of asteroids has increased during the year from 

 10,359 specimens of 93 genera and 387 species to 10,821 specimens 

 of 95 genera and 404 species. 



The card-catalogue of ophiurans has been begun and about 

 2,000 specimens, of some 25 genera entered. 



The card-catalogue of Echini has been continued through two 

 more families (Aspidodiadematidae, Diadematidae) and includes 

 5 families, 25 genera, 85 species and 2,591 specimens. 



Publications. August 1, 1907- July 31, 1908. 



Alexander Agassiz and Hubert Lyman Clark. 



Preliminary report on the Echini collected in 1906, from May to 

 December, among the Aleutian Islands, in Bering Sea, and along 

 the coasts of Kamtchatka, Sakhalin, Korea, and Japan, by the 

 U. S. Fish Commission Steamer "Albatross." Bull. M. C. Z., 

 October, 1907, vol. 51, p. 107-140. 

 Hubert Lyman Clark. 



As to Holothuria. Science, 25 October, 1907, new ser., vol. 26, p. 



549-550. 

 The Cidaridae. Bull. M. C. Z., December, 1907, vol. 51, p. 163- 



230, 11 pis. 

 The apodous holothurians. Washington, [January, 1908,] 1907, 



231 pp., 13 pis. 

 A brittle-star new to the Woods Hole region. Science, 24 January, 



1908, new ser., vol. 27, p. 147 # 

 Some Japanese and East Indian echinoderms. Bull. M. C. Z., 



April, 1908, vol. 51, p. 277-312. 

 Renewed interest in recent crinoids. Amer. nat., May, 1908, vol. 



42, p. 350-355. 

 The type of Cidaris. Ann. mag. nat. hist., June, 1908, ser. 8, 

 vol. 1, p. 532-533. 



