42 The American Naturalist. [January, 
_ der sogenannten Weii’schen Basal-schicht der Odontoblasten. Ueber Zahnban und - 
Zahnwechsel der Dipnoer.——Ueber die Zahnentwicklung vom Chamaelon.—— ; 
Ueber die Verwachsung von retinirten Zahnen mit dem Kieferknochen,—— Ueber ; 
das rudimentare Jacobson’sche Organ der Crocodile und des Menschen. Abdruck 
aus Anat. Anz. Jahrg., 1893. From the author, 
SHUFELDT, R. W.—A Group of Moqui Girls. Extr. The Great Divide, April, 
1893. From a. author, 
SMIT A.—The Clays of Alabama. Extr. Proceeds Alabama Industrial and 
A = No date given. From the author 
Special Catalogue of the Collective Exhibit of Scientific Instruments and Appli- : 
ances exhibited by the Deutsche Gessellschaft für Mechanik. und Optik Berlin. 4 
Berlin, 1893. 
STEHLIN, H. G.—Zur Kenntniss der Postembryonalen Schidelmetamorphosen bei 
Wiederkauern. Inanguraldissertation zur erlangung der Doctorwiirde einer hohen 
re aoc Facultat der Universitat Basel. Basel, 1893. From the author. 
STE —On the Status of the Gray Shrike, collected by Capt. Blakiston, 
in is, pei Extr. Proceeds. U. S. Natl. Mus., Vol. XVI, 1893. From the 
author. : 
THORPE, F. N.—Benjamin Franklin and the University of Pennsylvania. Bureau 
`of Ed. Cir. Inf. No. 2, 1892. From the Bu. of Ed. 
Warp, S. F.—Some Social and Economic Paradoxes. Extr. Am. Anthrop. 1893. 
is, eS —The Reason Why the Colored ee is not in the World’s Col- 
umbian Exposition. Chicago, 1898, From the au! 
WILLsoy, E. rmon in Memory of Henry wend M.D. Salem, 1893. 
From the Essex Sinestlone: 
WOODWARD, A. S.—Sketch of n Life and Works of James William Davis, F> 
`L. S., F. G.-S., F. S. A. Extr. Geol. Mag. Səpt. 1893. From the author. : 
pee ae 
Nee g è te a e A easa 
A ea a gee a E e E Seb R S N ale il Ste Moe > ee eis I S Rag a ar et 
