MONOGRAPH OF THE EXISTING CKINOIDS. 3 



the entire collection brought together by the Royal Indian Marine Surveying steamer 

 Investigator, as well as the other collections belonging to the Indian Museum, collec- 

 tions remarkable for their unusual completeness wtl..«,him 

 The lar-e and extensive collections of West In(han crinoids made by the ships 

 of the United States Bureau of Fisheries and deposited in the United States Isational 

 Museum were now studied in connection with the East Indian matenal. leaving been 

 up to this time laid aside awaiting the pubhcation of the report upon the BUU 

 collection of 1878-79 by Dr. Clemens Hartlaub. 



The Berhn Museum^ through Drs. W. Weltner and R. Hartmeyer, now submitted 

 to me their entire crinoid coUection, an act of courtesy the importance of winch to 

 me^an onk be reahzed when it is remembered that tins collection contains the tyi^es 

 S vei^ r^fny of the species described by Prof. Johamies Miiller and by Dr. Clemen. 

 Hartkub ; and Doctor Mortensen sent me a magnificent collection of Arctic matena 

 mi'oubtedly the finest in existence, together ^vith the specimens winch he himself 

 had collected while in the West Indies. -o,, • , • u^ 



At lis time the Austrahan Museum, through Dr. Robert Ethendge, ]r., its 

 . curator, sent me for study their entire collection of Austrahan crmouls, numbering 



^nrizrrwJnl^ngaged in an exhaustive survey of the marine resource 

 of the PliiUppine Islands, and the crinoids wMch she obtamed were, as fast as they 

 accumulated, turned over to me by the Bureau of Fisheries. 



Two sm^mers were spent at the Museum of Comparative Zoology at Cam- 

 brid<.e Massachusetts, working in the library and studying the fine collections of 

 SSsthie which are especially important in contaimng a number o speaes 

 tZVcMllenger dredgmgs, named by P. H. Carpenter. Ev-y ^rte^y wa 



* ^.^ tn T11P and I was very materiallv assisted in my work by Mr. Alexander 

 Cst th d"r;c or of Zuniversity Museums, Mr. Samuel Henshaw, the Curator 

 rf thTkuseum of Comparative Zoology, and by Dr. Hubert Lyman Clark the 

 : sSint t whose care fs the collection of echmodenns. l^^^^^^^^^^'^ZZ 

 having the constant companionship and friendly advice of Prof. Robert 1 racy 

 JacSn of Harvard College, who was at that time engaged m the preparation of 



'^^ '^fZct^i^:.^^ :?^rtston society of Natural HisU.ry were fre- 



The *=«"^*^,;'°f """;,. , ;,i^iie,„e I am indebted to Dr. Glover MornU iVllen 



^Tt\rl rie W jlns^^^ also visited the Peabody Museum at Yale 



StS/p.ris Ly„„,rBerlio. Hamburg, Dr«,dc„. Prague, ^.e„„., Or... Mou.co, 



''" Ar'm,- 'rlTu.-,, .0 W.sbmg.ou the Copeulmgeu Museum most kindly se„. lo 

 me tteUrge .Tim,»r.au. Z.W collect,,; ,h. B.,li„ Museum, through P™- 



