I, and collected only a single specimen of a 



Apiocrinid 

 Plicatocrinidae 

 illy interesting typi nt alike from the "Challengi 



bui dredged by both the "Investigator" and the "Valdivia", 

 i bi tutiful pentacrinite related to Hypa(ocrinus which ranges, 

 |y from western Sumatra to the western coast of India. 



interes! in connection with the "Siboga" collection are thirteen 



in ii 



i .ui entirely new type of Atelecrinidae with five arms and no 



m of the extraordinarily small bourgueticrinoids of the genus Monacho- 

 . a genus not heretofore known from the East tndian region. 

 The discovery of an extremely small bourgueticrinoid of the genus Bytkocrinus 

 i genus not heretofore known from the East Indian region. 

 I Ihe discovery of an exceedingly large bourgueticrinoid of the genus Democrinus 

 genus previously known only from the Atlantic, though probably the genus referred 

 !-. . • :i tuier the name Rhyzocrinus. 



Ihe discovery <>f a close relative of the European genus Antedon {Euantedori) which, 

 with the allied genus Mastigometra, represents it in the east. 



6. The discovery ol a new type of the genus Atelecrinus with short cirri and very 

 isals Atelecrinus anomalus). 



-. rh overy of three remarkable species of Eudiocrinus two of which represent 



entirely new types, while the third represents a type hitherto only known from southern Japan. 



rh discovery of two entirely new types of the genus Keomcfra (represented by 



.\*. diana and X . sióogae), one of which has been recently found by the "Endeavour" oft 



tern Australia. 



i overy of three tropical species of Comp >sometra , two ol which are ol extremely 



small size {iris, longicirra and parviflot 



I lie discovery of three small species of Decametra {parva, laevipinna and minima) 

 which link this genus with Prometra and with Oligometra. 



ii. Ihe discovery of three small species of Psathyrometra (minima, inusitata and 

 which almost bridge the gap between the Zenometrinae and the Bathymetrinae. 

 I >v< ry of an extraordinary series of nine species in ihe familie, Comasteridae 



' apillaster tenuicirra, Comatula tenuicirra, Comaster sióogae), Himero- 

 propinqua), Mariametridae {Oxymetra tenuicirra, Dichrometra tenuicirra, 

 1 olobometridae Cyllometra gracilis) all of which are very closely 

 nown types from which they differ in possessing Ion- and slender long- 

 all hm Oxymetra tenuicirra, Mariametra tenuicirra and Cyllometra gracilis 

 iw and muddy Java S< > 



