Astronomy. 159 
gelehrter Gesellschaften. Mit 6 colorirten Tafeln. 249 pp. 
Basel, Genf. Lyon, (St. George’s Verlag). 1879.—This can 
noticed already by the present writer in this J eat has happily 
at length made its appearance in very handsome form, and com- 
mends itself to all, at least to cryptogamic botanists. It is impos- 
sible to question ’either the care or the sincerity of the author ; 
and if any views on the topic of this memoir demand attention 
from those cere to consider them, certainly his do. grr sod 
notice must be postpone 
4, Bulletin of the United States Geological and Gaogrambnnt 
“pe of the Territories ; F. V. HayprEn, ripen cage ge. 
Vol. v, No. 8, 331-520 pp. Washington, '1879.—This number 
contains the following papers: on the species of the Hib! Bas- 
saris, by J. A. AtneN: the American Bembicide; Tribe Stizini, 
by W. H. Patron; list of a collection of aculeate Hymenoptera 
made by S. W. Williston in northwestern Kansa as, by. .W. E. 
Parron ; further notes on the Ornithology of the Lower Rio 
Grande of Texas from observations made in the Spring of 1878 
by G. B. SENNETT, = by Dr. Ex1iorr i dittowg additional lists 
of elevations, by Henry GANN NETT3; generic arrangement of bees 
allied to Melissodes pr Anthophora, by W. H. Patron; anno- 
tated list of the birds of Michigan, by Dr. Morris Gipps; the 
Coleoptera of the rete Rocky Mountain Region,. part I, by 
oo LreConrre 
itthe eilungen aus der Zoologischen Station zu Neapel, u- 
gcc a Alen gasoter fir Mittelmeerkunde. Vol. i, in 4 num- 
p- 8vo, with 18 plates. Leipzig, 1879. Wilhelm 
ckieannt 
6. Bulletin of the Museum of Comparative Zoology at Harvard 
College, Cambridge. Vol. v, number 16. On the Jaw and Lingual 
Dentition of certain terrestrial er pea? by W. G. Binney. 
et pp., with 2 plates. Cam e; 1879. 
7. Paleozoic Cockroaches: A. — revision of the Species 
AMUE cUDDER. 134 . 4to, with 6 plates. Boston, 1879. 
(Memoirs o of the Boston Society of Natural History, vol. iii, part 
num 
8. Faowke From the Tertiary Beds of the Nicola and erwd 
ameen Rivers, British Columbia; by 8. H. Scuppur. (Geol 
Survey of Ganiela; 1877-78.) 
IV. AsTRoONOMY. 
On the Secular Changes in the elements of the orbit ye a 
Satelite revolving about a planet distorted by Tides;* by G. H. 
Darwin.—The investigation which forms the subject of this paper 
is entirely mathematical, cat : therefore not of a kind to be easily 
condensed into a short acco 
is paper is the fifth ae a pr (of which notices have from 
time to time appeared in Nature) in which I have endeavored to 
* Abstract of a paper read before the Royal Society, on December 18, 1879, 
} 
