248 NOTICES OF BOOKS. 
fully known some further light may be thrown on the subject. 
As the season advanced Prof. tae cea ms course to the 
eee of the Cordillera range lying near the sources of the river 
cuna, and was able to make very  neorae botanical — 
which probably include several new forms. But of even greater 
excursion. Excepting at one a where they are broken by the 
protusion of a pyroxenic rock, Prof. Philippi found this portion of 
i t 
which specimens were s 
he more detailed account - this interesting expedition which 
Professor Philippi will fo Euros wre to the public will be anxiously 
awaited by naturalists in Eur 
NOTICES OF BOOKS. 
The Fertilisation of Flowers. By Prof. Hermann Miituer. Trans- 
ed and edited by D'Arcy W. Tuompson, B.A., Scholar of 
Trin. Coll., Cambridge. With a Preface by Caries Darwin. 
With Illustrations. London: Macmillan & Co., 1883; pp. 
Pror. Hermann Miter, of Lippstadt, has long earned for him- 
self the ‘first lass among the observers of those relationships 
between the needs of insects for obtaining honey from flowers and 
ood of li 
th insects and flowers. It nsciled a trained entomologist and 
botanist in one, and at th e time a man of keen powers of 
observation and unwearied industry, to solve the problems which 
arose in each separate case of mutual adaptation—a task which 
blumen, ihre Befruchtung durch Insekten.’ Mr. D’Arcy Thompson 
now presents us with a translation of the former of these two works, 
account of these would have made the work a more complete 
record of our present state of vying regarding the part played 
by insects in the fertilisation of flowe 
he families of insects écneeasa ¢ in the fertilisation of flowers 
are mainly four, viz. :—in the order of their importance (1), 
Hyme fly we; (2) 
(3) Lepidoptera ; @) Coleoptera. The special adaptations of struc- 
of the insects belonging to these groups for the obtaining of 
ectar and pollen, and for the transmission of pollen, are most 
clenay dseivtbe by Prof. Miiller in the raise ores portion of his 
ork, the understanding of the text being aided by admirable 
x 
