PALEONTOLOGY. 309 



daring tbe Pliocene times, and that tbe islands were separated from the 

 mainland during the Quaternary period. 



Leo Lesquereux (150) in a })aper ((!on)})ileil an<l prepared for publica- 

 tion by F. ET. Knowlton, assistant curator of Botany and Fossil Plants 

 U. S. National IMuseum), has described a number of new species of 

 plants from various localities in North America of Upper Mesozoic and 

 Cenozoic age : 



Mijrica eloenohles, p. 12, pi. iv, f. 5. Lower Eocene, Kentucky. 

 Miocene, John Day Valley, Oregon : 



Acacia Oref/oiiiana, p. 14, pi. v, i". 4. 



Acer Bendirci, p. 14, pi. v., f. 5; vi, f. 1 ; vii ; f . 1 ; viii, 1. 



Aee7' dimorphum, p. 15, pi. ix, f. 1. 



Rhus Bendirci, p. 15, pi. ix, f. 2. 



Andromeda (?) {Leucoihce) crassa, p. 1G. 



Carpitcs fragariieformis, sp. nov., p. IG (no description). 



Salix Engelhardii, p. 17, pi. viii, f. 2. 



Quei'cus Horviann, p. 17, pi. v, f. ti. 



QaercHs pseudoUjrata, var. hrevifoUa, n. var. (no description), pi. x, f. 2. 



Quercus pseiidohjrata, var. lati/olia, n. var. (no description), pi. xii, f. 1. 



Qucrcus psendoli/rata, var. obtmilvha, n. var. (no description), pi. x, f. 3. 



Ficus (?) Oref/oniana, p. 18, pi. ix, f. 3. 



Smilax Wardii, p. 19, pi. xiii, f. 1. 

 From Wasco County, Oregon (.?), Eocene: 



Salix Sckimperi. p. 21, pi. xiii, f. .5. 



Phyllites Wascnensis, p. 22, pi. xiv, f. 3. 



Equisetum Hornii, p. 23, named without figure " Carpites cinconrr, n. sp.," 

 p. 21. 



Persea punctiiJaia, p. 26, pi. xiv, f. I. Alameda County, California (?), 

 Miocene. 



Persea DiUeri, p. 27, pi. xiii, f. 2-4. Shasta County, California (?), Mio- 

 cene. 



Ficm Shasienxix, p. 28, pi. xi, f. 3. Shasta County, California. Miocene. 



Aralia Lasseniana, p. 28, pi. xiv, f. 5. Lassen County, California (?), 

 Eocene. 



Orcodaphve Hthaformia, p. 30, pi. xiv, f. 4. Lasseu County, California (f), 

 Eocene. 



Zamites Alaskana, p. 32, pi. x, f. 4. Cape Lisbourne, Alaska (?), Neocomian. 



Chondrites fiUciformis, p. 32, pi. xvi, f. 1. Cape Lisbourne, Alaska (?), Neo- 

 comian. 



Diospyros VirniniavaL,., var. Tiirncri,u. var., p. 3r«. Contra Costa County, 

 California (?), Pliocene. 



CraUvguH Marcouiana, p. 36, ])1. xiv, f. 2; xv, f. 1, 2, 



CrntaijitH Marcouiana, var. snbinicf/ri/olia, n. var., p. 36, pi. xiv, f. 2 (no 

 description). "Fossil Point, P. V. Sheet." 



"The Geological History of Plants," of J. \Y. Dawson, presents in a 

 very readable form an account of tlu' plants which have appeared in the 

 past and are now extinct, describing their historical se(iuence and the 

 characters presented by the faunas of each age. The notes to the sev^- 

 eral chapters contain much of value to the special student of Paheon- 

 tology. A note "Ou examination of Frotaxites, by Professor Penhal- 

 low," is inserted at the end of chapter ii. At the end of chapter iii 



