100 Papers from the Department of Marine Biology. 
with the desire of preventing erroneous assumptions from being re- 
ceived as proven facts. 
For the leave of absence which made my studies possible, it gives 
me pleasure to thank the authorities of the Museum of Comparative 
Zoology, while I also desire to express my obligations to my colleagues 
at the laboratory for much kindly assistance. Each member of the 
party made me his debtor, and I am glad to take this opportunity of 
thanking them for the help given in many different ways. 
In order to give some idea of the richness of the comatulid fauna of 
Torres Strait, it seems desirable to give a list of the species collected. 
This list includes a number of hitherto undescribed species and must 
therefore include descriptions of them. The paper is accordingly 
divided into two parts, the first dealing with the comatulids from the 
systematic point of view and the second discussing their habits and 
reactions. 
