490 Bibliographical Notice. 
collections, and fragments obtained of at least as many more. The 
character of the vegetation which they reveal is that of a fertile 
collected by myself or others in New J ersey, Kansas, New Mexico, 
Colorado, Utah, and Vancouver's Island, are now in my hands, and 
others still have been described by Heer and Lesquereux ; all of 
which confirm the statements which I have heretofore published in 
probable, however, that we shall find that by the contraction of the 
land-surface the cli ini 
became more insular in character, and was thus capable of support- 
d 
(* Not published with this Report.] 
