Botany and Zoology. 157 
wilds by the ee editor. The remarkable accession to 
the North Am n Flora which this Catalogue records is oy 
of ae cena ris, 
The Native Flowers and Ferns of the United States, “edited 
bys Professor Meehan and chromo-lithographed by Prang "& Co s 
evinces its life and good promise of success in the prompt appear- 
ing of Parts 3,4, and 5. Our notice of the first parts is so recent 
and particular that we need onl announce the new ones, which 
mon observer would pass by unnoticed, such as Carex — 
Cuphea viscosissima, and Pedicularis Canudensis. 
4. Zoological Distribution, and some G8 its Difficulties ; ; i 
T 
of natural groups of animals as form and structure, the lecturer 
spoke of “ specific” and “ generic” areas, and of the doctrine of 
their continuity. He then treated of “ représentative species,’ 
and showed that, while insular Pg me cane species are usually 
en continental representative ecies are ae crane er 
oun 
of the ata of Spain did not differ sotatan from that of the 
rest of Southern Europe, although a few North African species 
intruded into its limits. One little bird only seemed to have been 
introduced from afar, and disturbed the oe uniformity. ieee 
allies. Here was found the Cyanopica cyanea, so closely allied 
to the seta = a to be barely distinguishable. This was, 
(2.) Oayrham, rie scetg -= samme a These two South Ameri- 
fF br 
two — closely allied species were known, one (0. 
in Southeastern Brazil, and the other (0. pees a: Central 
