Botany and Zoology. 427 
Ill, BOTANY AND ZOOLOGY, 
. DeCanvotir, Prodromus, Syst. Nat. Regni Vegetabilis. Pars XV, 
he posterior, ststens Huphorbiaceas. Paris, 1862 and 1866, pp. 1286. 
—A part of this thick volume, p. 1-188, containing Euphorbia and its 
near allies, elaborated by Boissier, was issued four vears ago, The rest 
of the Huphorbiacee, very ably worked out by J. Miller, is now pub- 
lished under the date of August last. The extent of the order has evi- 
dently confounded the calculations of the editor; for this thick volume 
of almost 1300 pages, occupied by the Huphorbiacee, does not comprise 
all that was origiually assigned to it, the en cited as sy vet dt 
on p. 1, being now excluded an¢ refered o the ensuing volum n- 
der Dr. Miiller’s hands, the genera are arrabed upon an intelligible 
systern, under ten neatly characterized tribes, and the genera are not a 
little reduced. In consequence, Phy kia ee with 438 species almost 
rivals Euphorbia itself; and Croton, received also almost in the widest 
not poss tite by the aid of new title pages,—that these volumes 15 
and 16s be re-numbered and conformed to the actual state of the 
e 3b 
one fascicle has been issued, to be 17, and soon. The permanent ad- 
vantage would much exceed any temporary inconvenience of the ete 
. E. Borssrer, Zcones Euphorbiarum, ou Fi igures de 122 Roptote du 
aces Euphorbia, dessinées et gravées par Heyann, etc. Paris, Vietor 
Masson et fils. 1866. Royal fol. ane! fins the volume of the Prodro- 
mus devoted to Euphor biacee, we opportunely receive M. Boissier’s mag- 
nificent folio, in which he has illustrated 122 selected species of the vast 
genus pend one species o — se a lates, it will be seen 
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ercu urialana, ne spherosperma, trichotoma, ictyosperma a, Tex- 
ana, Peplidion, Remeriana,—most of them species recently established 
either by Boissier or by Dr. Engelmann. Several pages of letter-press 
are occupied with remarks on the _——. classification, and 
graphical distribution of the genus. Linnzus described 64 species of 
Eu sahertieg Boissier, in the Prodromus, dates the recent supple- 
ment, has 717. 
3. e young stages of a few Annelids ; by AtexanpeR AGaAssiIZ. 
(Weiss from the Annals of the Lyceum of Natural History of New 
York, vol. viii, June, 1866.)—In this paper, vies is prefaced by useful 
