1878. } Botany. 121 
Polar Colonization, The Preliminary Arctic Expedition of 1877. Washington, 
D.C, 8yo, pp 
Immortality. All Life conditionally Immortal. By William Bross. Chicago: 
Jansen, McClurg & Co. p. 3. 
e Geological Formations of = Salle county, and their Organic Remains. By 
reer W. Calkins. I2mo, pp. 
ent Investigations of EEES By Charles PT Minot. (From the 
Proceedings of the Boston Society of Natural History, xix.) , PP. 
n the present state of our knee ene of the me, Part i, i, ii. On the 
EARE: es of the Dermal Skelet By C. Spence Bate. (From the Rosat of the 
arije Association eE the Advice ot Science for 1875, 1876.) 8vo, pp. 
12, 2 
ae ogy of a ante of 1873-1877 ; 9; II. Part I, Historical; II, 
Eastern ‘hams ; IIL, Central Baita IV, Lead Region. Accom panied by 
an atlas aii: + Publis hatu the direction of the Chief Geologist, T. C. 
Chamberiin, by the State ry en of Public Printing, Madison, Wis. in 
8vo, pp. 768. 
Palzontological Bulletin, No. 28. On new Vertebrata from the Upper Tapae 
the West. On new Saurians discovered by Mr. Whea = mh in the ye 5 Pen 
sylvania. On the Vertebrata of the Dak + Epod och of Col Co oi. 
(Read before the American Philoso ia Baiti, pobe: H, Fai ) ore pp. 28. 
Bulletin of the Buffalo Society of Natural Sciences; Vol III. Buffalo. From 
April, 1875, to August, 1877. 8vo, pp. 230. 
vo, 
Q 
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20: 
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GENERAL NOTES. 
BOTANY. 
LAVALÉE’S ARBORETUM SEGREZIANUM.'—This is a handsome 
volume of some 500 pages, containing a catalogue of the trees 
and shrubs collected by Mons. Lavalée on his estate at Segrez, a 
-= few miles south of Paris, with their synonyms, origin, and with 
abundant references to the most accessible figures. In an inter- 
ig 
N 
lay, in the middle of the sixteenth century, down to that which 
V Vilmorin brought together on his estate at Barres; now fortu- 
nately in 1 popaessión of the State as a school of forestry. 
l Arboretum Segreztanu m—Enumeration des Arbres et Arbrisscaux Cultivés á 
Seres Par ALPH. LAVALE. ar J. B: Bailliere 2 Fils. ees 
