130 



EEPOET OF NATIONAL, MUSEUM, 1908. 

 ECHINODERMS. 



Agassiz, Alexander, aud Clark, 

 Hubert Lyman. Preliminary re- 

 port on the Echini collected in 190G. 

 from May to December, among the 

 Aleutian Islands, in Bering Sea, and 

 along the coast of Kamchatka, 

 Saghalin, Korea, aud Japan, by the 

 U. S. Fish Commission steamer 

 Albatross, Lieut. -Commander L. M. 

 Garrett, V. S. Navy, commanding. 

 Bull. Mtis. Comp. Zooh, Li. No. 

 5, Oct., 1007, pp. 109-1.39. 

 Seventy-one species are enu- 

 merated, belonging to 42 genera ; 20 

 species are described as new. 



Clark, Austin Hobart. Descriptions 

 of new species of recent unstalked 

 crinoids from the North Pacific 

 Ocean. 



Proc. U. S. Xai. Miis., xxxiii. 



No. 1559, Sept. 17, 1907, pp. 



69-84. 



Based on material collected by 



the United States Fisheries steamer 



Albatross in the Pacific Ocean north 



of Mexico and southern Japan. A 



key is given to the species described 



in the paper. One new species of 



Decamctiocrimis and 20 new species 



of Antedon are descriljed. The latter 



belong to the Ele(jans, Eschriclitii, 



and Tenella groups of the genus 



Antedon. 



Descriptions of new species of 



recent unstalked crinoids from the 

 coasts of northeastern Asia. 



Proc. U. S. Xat. Mus., xxxii. 



No. l.'iGl, Sept. 17. 1907, pp. 



127-156. 



Here are described -30 new species 



of Aniedon and three new species of 



Comatula, while new names are 



given to a Comatula and an 



Atelecrinus. A key is given to the 



species in the paper ; those of the 



genus Antedon belong to the Acoela, 



Multicolor, Basicurva, Spinifera, 



Palmata, and Elegans groups. 



Five new recent crinoids from 



the North Pacific Ocean. 



Smithsonian Misc. Colls., l, 



Quar. issue, pt. 3, No. 1777, 



Oct. 29, 1907, pp. 337-342, 



1 fig. 



The new species belong to the 



genera Bathycrinus (1), Zygometra 



(2). and Antedon (3). They were 



Clark, Austin Hobart — Continued. 



collected in southern .Japan and 

 Kamchatka by the United States 

 Fisheries steamer Albatross in 1900. 



New genera of recent free 



crinoids. 



SmitJisoiiian Misc. Colls., l, 

 Quar. issue, pt. 3, No. 1778, 

 Oct. 29, 1907, pp. 343-364. 

 Divides the genus .intedon de 

 Freminville, 1811, into 18 genera, 

 all of which are new with the ex- 

 ception of Antedon it.self. The 

 known species are distributed as fol- 

 lows : to Zygometra 6, Sanometra 4. 

 Tropiometra 4, Hcliometra 19, 

 Thysanomctra 1, Antedon 36, 

 Psatlnjrometra 3, Zenomelra 1, 

 Pontiometra 1, Himerometra 52, 

 Cyllometra 7, Perometra 2, Ptilo 

 metra 4, Thalassometra 23, Chari- 

 tometra 19, Pwcilometra 2, Calo- 

 mctra 9, Adelometra 1. 



Notice of some crinoids in the 



collection of the Museum of Com- 



I>arative Zoology. 



Bull. Mus. Comp. Zool., Li, No. 

 8, Jan., 1908, pp. 233-248, 

 pis. I, II. 



Ten species are recorded, eight of 

 which are new. Keys to the 

 species of Bathycrinus and to the 

 genera of the Antedonidae are given ; 

 also a note on the 6-rayed speci- 

 mens of Tropiometra carinata 

 (Lamarck). The four species de- 

 scribed from specimens collected by 

 the U. S. Fisheries steamer Alba- 

 tross are in the collection of the 

 U. S. National Museum. 



Infrabasals in recent genera of 



the criuoid family Pentacrinitidae. 

 Proc. U. S. Sat. Mus., xxxiii. 

 No. 1582, Feb. 29, 1908, pp. 

 671-676, figs. 1-8. 

 Kemonstrates the presence of 

 infrabasals in Isocrinus decorus, 

 Metacrinus rotundus and M. super- 

 bus. 



The crinoid genus Comatula 



Lamarck ; with a note on the En- 

 crinus parrae of Guerin. 



Proc. V. 8. yat. Mus., xxxiii, 

 No. 1585, Feb. 29, 1908. pp. 

 683-688. 

 Divides the original genus Coma- 

 tula into two parts — Comatula 

 Lamarck 1816 restricted (type C. 

 Solaris Lamarck 1816) with seven 



