172 OUTLINES OF PERIODICAL LITERATURE. 
great cashew-tree of Guiana; Mr. Harvey’s information regarding the Tu- 
bularia indivisa ; his notes on the carrion crow, the rook and the cuckoo, and 
on white light from burning corallines; Dr. Weissenborn’s letter on the Bos 
urus and the instinct of animals; and Mr. Clarke’s discovery of a pulmonary 
orifice in insects, occupy the division allotted to short communications in Mr. 
Charlesworth’s well-conducted and truly scientific magazine. 
The Naturalist, illustrative of the Animal, Vegetable, and Mineral Kingdoms, 
with engravings ; edited by Neville Wood, Esquire; royal 8vo, London, 
1838. 
No. XXIII, August.—Mr. Lankester takes the lead in this month’s pub- 
lication with remarks, being the substance ofa lecture, on the general struc- 
ture and habits of invertebrate animals, illustrated with a tabular view in 
seven figures, ingeniously devised. Notes, by Mr. Proctor, on an ornitholo- 
gical tour in Iceland, are followed by a notice of rare birds obtained in the 
winter of 1837-8, by Mr. Blyth, and then by Mr. Torre’s list of birds found 
in Middlesex, amounting to one hundred and thirteen species. Next in or- 
der, are the chapters of correspondence and criticism, and the extracts from 
foreign periodicals, consisting of sketches on the hybernation of swallows, on 
the fresh-water and marine sponges, on a hanging bird’s nest framed of silver 
wire, on the feeding of silk-worms on the fecula of potatoes, on a Malayan 
albino, on vegetable acids, on a fossil salamander, ona skeleton of the narrow- 
mouthed mastodon, and on vases discovered in the tombs of Santorini.— 
Among the proceedings of natural history societies, those of the entomologi- 
cal, horticultural, and zoological, are briefly noted. At the ornithological 
Mr. Blyth exhibited specimens,of the three British geese allied to the do- 
mestic breed, and then offered a variety of observations on them, and on some 
rare birds obtained in the London markets ; and, at the botanical, a paper of 
Dr. Wallis’ was read on the genus Myosotis: he advances an ingenious sug- 
gestion concerning the M. arvensis and M. sylvatica and their specific distine- 
tions. The Miscellanies are numerous and varied, and not unimportant 3 
and, with two reviews, the August is concluded. 
XXIV.—Under six distinct heads, Mr. Watson describes the effect of the 
winter of mpcccxxxvir on vegetation in the neighbourhood of Thames 
Ditton: this is a truly practical article, the result of observation. It is fol- 
lowed by an anonymous communication on the sources of heat which influ- 
ence climate: the writer traces this heat to the calorific power of the solar 
rays, the temperature of the planetary spaces, the heat of the earth’s central 
mass, and the caloric changed by every variation from one state to another. 
Next in course, Mr. Wood explains his views respecting the exciting causes 
of varieties in birds and other animals; and his paper is followed by that of 
Mr. Hall, on the habits and peculiarities of British plants, and on the deri- 
vations of their Latin names. Mr. Neville Wood then gives a “ condensed 
analysis” of Part xvr of Gould’s “‘ Birds of Europe,” and the prologue to 
his article exhibits the prominent features which distinguish Mr. W.’s lite- 
