lt f) rent families varies slightly, some being 



ned necessary to treat the relatively 

 . uk 1) is called for in the case of the more obscure 



| n ilked species described bij Professor Döderli 



| ticrinidae {minimus, nodipes, poculum and weèeri) 



with m\ recent revision of that family, in "Die Crinoiden 

 new spi f Isocrinus [Sibogaé] is assigned to the 



is now understood, both by Professor Döderleu) and myself, 

 in. 



erature include all in which original matter occurs, but tl 

 in which i lal matter is found are omitted. 



1111. "SIBOGA" COLLECTION. 



tions made by exploring expeditions since the time of the "Challenger" 



els in the number of species and of individuals, and in the number 



ty of those smal! forms too often discarded as the "young" of the larger types. 



In making this statement I am assuming that comparison with the collections of the 



would not be quite fair, as that ship took her first dredge haul on March ::. 



I has been almost continuously at work ever since, that is to saj for a period of 



ly thirty-four years, cruising throughout the western Atlantic and Caribbean regions, and 



l«art f>t' the Pacific, and spending the time from November 7, 1907 to January 



the Philippine Islands and in adjacent waters, where she covered a part of 



j previously worked by the "Siboga". 



Thi bv the "Siboga" carried her over uh.it is possibly the most inter- 



igraphically speaking, in the whole world; she gathered the Australian 



1 at the Aru Islands, and the Malayan fauna in the Sulu archipelago, and paid particular 



the intermediate region, among the Moluccas and about the Lesser Sunda Islands 



which, in water of moderate depth, possess a fauna certainly distinct trom that of the Philippines 



and I islands as we know it, and nlated rather to that of southern Japan, though from 



in indications it may possibly be a continuation of the deeper Australian fauna which 



elf further to the northward and westward than does the fauna of the littoral. 



known from the recent seas 576 species of crinoids, representing 142 genera 



families and subfamilies. Of these, 76 species, included in 22 genera and 



l, while 500 ipecies, I2ü genera and 22 families and subfamilies are <■; 



itulid t\ 



In her explorations the "Sibo llected 163 species (140 comatulids 



of which no less than 73 (64 comatulids and 9 stalked species were 



an increase of 1 \ .5 percent in the number of known tonus. 



fall into 71 genera 65 comatulid and 6 stalked); just over half ol 



