358 bulletin: museum of compakative zoology. 



E. Selenka. 



1867. Beitrage zur auatomie uud systematik der bolothurieu. Zeit. f. w. 

 ZooL, 17, p. 291-374, pis. 17-20. 



1868. Naclitrag dazu. Zeit. f. w. Zool., 18, p. 109-119, pi. 8. 



C. Semper. 



1868. Reiseu irn arcLipel der Pbilippiuen. 2 Theil. WisseuschaftlicLe 

 resultate. Bd. 1. Holotliurien. 288 pp., 40 pis. 



W. P. Sladen. 



1889. The voyage of H. M. S. Challeuger. Zoology. 30. Report ou 

 the Asteroidea. 935 pp., 118 pis., in two volumes. 



H. Th6eL 



1886. The voyage of H. M. S. Challenger. Zoology. 14, pt. 39. Report 

 on the Holothurioidea, part 2. 290 pp., 16 pis. 



F. Troschel. 



1846. Neue holothurien-gattuugen. Arch. f. Naturg., 12, bd. 1, p. 60-66. 



A. Valenciennes. 



1846. Voyage autour du moude sur la fregate La Venus pendant les 

 annees 1836-39. Atlas 4: Zoophytes. 



A. E. Verrill. 



1867, Notes on the ecbinoderms of Panama and west coast of America, 

 with descriptions of new genera and species. Trans. Conn. Acad., 1, 

 p. 251-322. 



1868. Notice of a collection of ecbinoderms from La Paz, Lower Cali- 

 fornia, with descriptions of a new genus. Traus. Conn. Acad., 1, 

 p. 371-376. 



1871. Additional observations ou ecbinoderms, chiefly from the Pacific 

 coast of America. Trans. Conn. Acad., 1, p. 568-593. 



1899. Revision of certain families and genera of West Indian opliiurans. 

 Trans. Conn. Acad., 10, p. 301-371, pis. 42 and 43. 



1901. Additions to the fauua of the Bermudas. Trans. Conn. Acad., 11, 

 p. 15-62. 



