$ 
40 The American Naturalist. [January, 
RECENT BOOKS AND PAMPHLETS. 
x 
ALLEN, H,—On the Foramen Magnum of the Common Porpoise, and on a Human 
Lower Jaw of Unusual Size.——The Forms of Edentulous Jaws in the Human Sub- 
ject. side hasta Phila. Acad. Nat. Sci. 1893. From the author. 
ARTHUR, J. C.—A New eevee in the Improvement of Crops. Extr. Agri. Sci., 
Vol. vil: 1893. From the auth 
BENEDICT, J. E. Notice of he Crustaceans collected by the U. S. Scien. Exp. to 
West oR Extr. Proceeds. U. S. Natl. Mus., Vol. XVI, 1898. From the Smith- 
Camon, e erhia Tertiary Dinosauria. Extr. Mining Industry, Vol. III. 
CHENOWETH, C. VAN D.—Address to Psychological Section of Medico-Legal 
Society. New York, 1893. From the Soc. 
CLARK, W. B.—Bulletin No, 97 of the United States Geological Survey. —— The 
Mesozoic Echinodermata of the United States. Washington, 1893. From the author. 
Contributions from the Botanical Laboratory of the Penna. Univ., Vol. 1, No. 2, 
1893 
Dixon, S. G.—Address on Hygiene. Read before the Meeting ot the Pa. State 
Med. Soc. 1893. From the author 
FarrcHILp, H. L.— a SS of the Fifth Annual Meeting, held at Ottawa, 
Canada, Dec. 28, 29 and 30,1892. Extr. Bull. Geol. Soc. Am. 1893. From the 
Societ 
FONTAINE, W: M. Notes‘ on some Fossil Plants from the Trinity Division of the 
Comanche Series of Texas. Extr. Proceeds. U. S.-Natl. Mus., Vol. XVI, 1893. 
From the Smithsonian Inst. 
ForsYTH, C. J.—On some Miocene Squirrels, with Remarks on the Dentition and 
Classification of the Sciurinae. Extr. Proceeds. Zool. Soc. London, Vol. VIII, 
1893. ewe the author, 
GEGENBAUR, G. Die Metamerie des Kopfes und die Wirbeltheorie des Kopf- 
skelets, im bigs der neureren raga ae betrachtet und gepruft. Extr. Mor- 
olog. Jahrb. 13. From the au 
Gipson, A. M. Report on ree ac Structure of Murphree’s Valley and its 
Minerals and other Materials of Economic Value. Extr. Rept. Geol. Surv. Alabama, 
Montgomery, 1893. From E. A. Smith. 
Git, C. A.—Beitrage zur Kenntniss des Quarzes.——lInaugural. Dissertation der 
hohen philosophischen Facultat der K. G. S. Bayerischen Ludwig Maximilians 
niversitat zu München behufs erlangung der Doctorwiirde. Leipzig, 1893. From 
the author. 
Griswotp, L. $.—A Basic Dike in the Connecticut Triassic. Bull. Harv. Mus. 
Comp. Zool., 1893. From Alexander Agassiz, 
Hit, R. T.—The Invertebrate Fossils of the Caprina Limestone Beds. Extr. 
Proceeds. Biol. Soc. Washington, Vol. VIII, 1893. From the author. 
Horrman, G. C.—Catalogue of Section one of the Museum of the Geol. Surv. 
embracing the Systematic Collection of Minerals, etc. Ottawa, 1893. From the 
LI TV. ; 
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