862 Recent Literature. [ August, 
BULLETINS OF THE U. S. DEPARTMENT oF AGRICULTURE/— 
Bulletin No. 1 contains reports of experiments, chiefly with 
emulsion of kerosene, upon various insects that injuriously affect 
the orange tree and cotton plant. These kerosene emulsions ap- 
pear to be toa Sead extent successful, both against scale insects 
and the cotton-wo 
According to Bulletin No. 2, Caloptenus spretus, the Rocky 
Mountain locust, was generally scarce in 1882, so much so that 
bing farmers have little to fear from it during the present 
Jea 
Polcas S. A. Forbes has experimented with emulsion of 
kerosene upon the chinch-bug with good results. Hefinds that 
soapsuds (1 Ib. soap to 10 galls. water) mixed with an equal quan- 
tity of oil, make a good emulsion, so that the addition of milk is 
not necessary. These fluids accomplish their work as well when 
poured on with a sprinkler as when applied forcibly in a spray, 
and kill the adult bugs as easily as the young. 
RECENT Books AND PAMPHLETS. 
Hayden, F. V., and Selwyn, A. R. C—Stanford’s Compendium of Geography pe 
Spee North ‘America. Edward Stantord. London, 1883. From Dr. F 
Hayden 
Dollo, M. L. tee éme note sur les Dinosauriens de Lesbian, 462 Ext. du Musée 
Royal Histoire Naturelle de Belgique. 1883, From the author. 
Lewis, H. C.—The great Ice Age of Pennsylvania. Reprint fhe Journal Franklin 
Institute, filet, 1883. 
e Geology of Phi iladel phia. ae mom! pon 1883. Both me 
i ational Geological Commissio Sub- comm mittees. 
Trias, by A, Irving. Miocene per Eocene, i J. S. Gardner. pii jro 
Post-pliocene, by H. B. Woodward. From the commission. ; 
Minot, C. S.—Is Man the highest Animal ? aut Proc. Amer, Assoc. Advance 
ment of Science, 1881. From the author saat 
sila et T. McKenny.—Memoir E, B. , ile Ext. Geol. Magazine, M 
83. 
us forms of life 
eax? author. 
n and 
——On the relation of the appearance and duration of the vario 
upon the earth to the breaks in the continuity of the sapere! 
Proc. Cambridge e Philosophical Society. Both from the au pose 
Putnam, F. W.—Notes on copper implements sees Mic. “Ext Proc. 
Antiquarian Society, Oct. 21, 1882. From the 
Hoffmann, C. K.—Dr. H. G. Bronn’s Klassen und paneer: des Thi 
Reptilien. Leipzig und Heidelberg, C. F. Winter. 
gig "= ee of Science-—Transactions, Vol. vil, 1881-82. 
er-reichs. 
From F. H. 
Clevenger. S. V.—Plan of the cerebro- -spinal nervous system Ext. on RAN S 
pe Mesting of ihe Amer. Assoc. for the Advancement of Science, 
rom 
Sees z L Bonde. sur le pa E O de la faune Eocène inféri pavers 
ns de R Ext. du Bulletin de la Société Géologique de 
Bae 12, 1883. From ‘ke, author aux C 
Renevier. 4 £.—Un sree: ae ique. Propositions du Comité Suisse A ele 
missions Internat giq hte Sciences Physiques € an " 
Genéve, Mai, 1883. Taa bi author 
ure des envi- 
ie rance, Fe Hi 
Loo 
r and 
U S o peg of Aeir. Division of Entomology. Bull, Nos. 
2. ©. V. RILEY, entomologi 
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