COMATULTr»AE. 1 To NOTE XXXV. THE COMATULAE OF THE LEYDEN MUSEUM. BY P. HERBERT CARPENTER, M. A. The Coma^?i^a-collectioii of the Leyrlen Museum is one of considerable importance , owing to its containing a large proportion of the types of the species described by Johan-nes Muller in his classical memoir'), »Ueber die Gattung Comatula Lam. und ihre Arten." MüUer's descriptions, however, are notoriously incom-plete, and have undergone no revision since their publi-cation nearly forty jears ago, during which time a very large number of Comatulae have been discovered. Some of these have been referred with more or less success to one or other of Müller's species , but without careful compari-son with his types no accurate specific determinations have been at all possible. When I visited the Leyden Museum last autumn for the purpose of examining the seven types of Müllerian species wliich it contains , I was not surpri-sed to find a number of other Comatulae in the collection. Thanks to the good offices of my friend Dr. Hubrecht , to whom I am indebted for many acts of kindness , the whole of the foreign (7o;«rtiu/a-collection numberiug twenty-five specimens was sent over to my laboratory at Eton , in order that I might study it in more detail than was pos-1) Abhandl. d. Berlin. Akad. 1849. pp. 387—265. Notes from tlie Leytleii ÜVIuseuin , Vol. III.