‘ REVIEWS. 613 
Rope,” off the coast of Portugal.— Dr. Pigeaux “ believes that never, 
or quite accidentally and rarely, does the hare breed with the rabbit. 
The so-called Léporides are true rabbits, and not hybrids at all. The 
belief in the existence of such a hybrid was prevalent among the 
ancients.” 
Additional evidence has been obtained from the exploration of 
Kent’s Cavern, Devonshire, that man was a contemporary with the 
mammoth, in the British Isles. — Messrs. Wistaw and Burk state that 
-“falcons and hawks act as nature’s police, and check the spread of 
sas and Sd ties amongst birds, by killing off the weakly indi- 
uals of a 
= Anton acim believes that all crustacea, insects, and arachnida, 
can be traced to a single parent form, whic y each reproduce 
at one or the other period of development. This form is n 
with the larva of Cir PN (Barnacles); and he gives it the 
Archizoča. But do insects pass through the form of a young Epari: 
cle? Without AREE ourselves to Darwinian views, shoul 
not rather loo! orm as aie the archetypal form of artic- 
ulates, as they all assume this 
Dohrn’s Archizoéa, or arti sia? prototype, with better Des we 
would suggest, takes rm-like form. — Mr. W : 
lished a most ESERE A paper “On 
Differences of Color and Nidification in Birds.”—‘‘He runs over in 
detail the principal species of birds, having the female as beautiful and 
male. In cases where the female 
p for these are generally protective colors. 
lace niae that Darwin’s principle of natural selection most aptly 
explained this connection of color and nests.” 
E NATURALIST’S Nore Boox. London. January — October, 1867. 
is journal culls from all departments of Natural History, forming 
a oes ce-book of selections, and is a very entertaining m month- 
ly. Our contributors will be pleased to know that a dozen or more of 
va a from the AMERICAN aspen canis appear in its pages with due 
he keepers will examine with gerest Mr. J. Lowe’s “ Observa- 
