MUSEUM OF COMPARATIVE ZOOLOGY. 33 



has given a number of desirable holothurians and a fine series of 

 beautifully mounted slides of holothurian spicules. Welcome 

 gifts, for which thanks are due, have also been received from 

 Messrs. W. F. Clapp, W. J. Crozier, H. Farquhar, W. A. Hilton, 

 R. T. Jackson, H. Matsumoto, G. H. Parker, F. A. Potts, and H. 

 W. Winkley. 



From the U. S. National Museum the Museum has received a 

 very valuable series of Panamic starfishes, including twenty-seven 

 cotypes of Ludwig's species. 



