Recent Books and Pamphlets. 



RECENT BOOKS AND PAMPHLETS. 



Allen H.— Materials for a Memoir on Animal Locomotion. Ext. Rept. Muy- 

 bridge Work at the Penn. Univ. From the author. 



Allen, J. A.— Descriptions of Two Supposed New Species of Mice from Costa 



Rica ami M- .... with emukson I/tsptromys nulanophrys of Coues. Ext. Pro- 

 ceeds. U. S. Nat. Mus., Vol. XIV, pp. 193-195. 



Andrews, E. A.— Report Upon the Annelida Polych.-eta of Beaufort. North Car- 

 olina. Ext. Proceeds. U. S. Nat. Mus., Vol. XIV, pp. 277-302. Pits. XII-XVI1I. 

 From the Museum. 



Ayres, H.-Concerning Vertebrate Cephalogenesis. Reprint Jour. Morph., Vol. 



IV, No. 2. 













, C-Directions 





ling, 1 



Sparing and Preserving Birds' Eggs 









-., No. 



39. From the Museum. 



BOEHM, 



G. — Megalodon, ! 



: 



a und 



Diceras. Mit 9 Original Holzschnit- 













Boletini da Commiss 



ao Geographica 



e Geologica do Estado de S. Paulo, 



Brazil, N. ( 



I, 5, G, 7. 



Account c 



ftbe 



Siluroid Fishes Obtained by Dr. von 



Ihering ant 



- 



Wolff in the Prov 



Simony's Lizard. Lacerta Hi 



nonyi. Ex 



t. Proceeds. London Zool. Soc, 1891. 



On 



the Occurrence 



of Discoglossus 



in the Lower Miocene of Germany. 







1st., July, 1S91 . 











the Museum of the Royal College of bur- 



^Butler! 





1. Zoo!. So< 



•-, Jan 



. 6. 1891. From the author. 



A.— The Birds c 



,f Indiana. 



Ext. 



Trans. Ind. Ilorti. Soc, 1890. From 



the author. 

 Call, F. 



;. E.— The Terti 



ary Siliciru 



d W< 



>ods of Eastern Arkansas. Ext. Am. 



Jour. Sci., Vol. XLII, Nov., 



, 1891. F. 



ornth 



weichen Theile der s. g. Qberzahligen 



Strahlen an Hand und Fu 

 Band 1(3, Afd. IV, No. 8. 



Meddelanden frai 



i Stockholms Ilogskola, No. 113- From 



Cerna, 



D.— A Physiolo 



Heal and 



Therapeutic Study of Hydrastis canadensis. 



Ext. Then 



Cherrii 



.Mayandjun, 

 ,:,G. K.-De-cnpti nof.V. 

 . Rica. Ext. Proceeds. U. £ 



,,1891. From the author 



J. Nat. Mus., Vol. XIV, pp. 337-346. From 





LE, E. W.— On P 



:eraspidian 



Fish i 



n the Upper Silurian Recks of North 



