Botany and Zoology. 235 
Palorthis, Echinoid spines and an occasional shark’s tooth of the 
8. 
No analysis has as yet been made of this amber, but the simi- 
larity in specific gravity, hardness and ignition leaves little doubt 
of its being true amber, or of its having been derived from a 
or aa renemitiag that which is the source of the Baltic and 
other 
Ill. Botany AND ZooLoey. 
if ee des Algues Fossiles, par le rd Sole de Sapor 
Paris: Ma asson. Imp. Ato, .82+10., 1882.—Nathorst, af diac 
And he pronounces this to be true of most of the fossil Alga 
described in Saporta’s Paléontologie Frangaise and in his later 
and more popular volume, L’ Hvolution du Regne Végétal. The 
present volume is a courteous and magnificent reply to Nathorst’s 
criticism—magnificent, as he devotes to it this beautiful imperial 
quarto volume, illustrated by figures sear in the text, as 
well as by ten Hithegvaphic plates —courteous, for he over and 
over acknowledges the entire jovani "of his there s facts 
and his conscientiousness in de ducing from them damaging 
conclusions. But he proceeds to rebut Nathorst’s inferences as to 
® 
they know has led them to notice and describe not a few which 
are she seth of the rege 6) etation given by the Swedish natural- 
o the greater aporta insists that the adverse con- 
slesious' are far-fetched, fives. founded on a preconception, and 
in certain cases capable of complete disproof. Also that some of 
the most dubious markings, which might well receive Nathorst’s 
explanation, have been found quite closely imitated by me traces 
of an Ulva. G. 
Les Plantes Potageres, Deseription et Cultures des Prine heeea ux 
Légumes des Climats Tempérés; par Vitmorin, ANpRiEUX & Cre. 
1883, pp. 650, 8vo. Paris. —Besides its importance to cultivators, 
this volume—prepa red by a most competent and trusty hand, and 
issued by the axe house of Vilmorin, Andrieux o.—has no 
small botanical value. It treats of the kitchen-garden plants of 
temperate climates, with considerable fulness and peti ae 
tration from original sketches. It refers the varieties 
to their proper eat species, the native country of ake is 
