LIST OF CONTRIBUTORS. 83 



Kuwana, Shinkai I. See Kellogg, Vernon L., and 8. 1. Kuwana 



Langstrotii, Lorenzo L. On the impregnation of the eggs of 

 the queen bee. P '52, 49 



On the honey ant. P '52, 71 



Lapham, J. A. A list of shells of the State of Wisconsin. P '60, 154 



Communication regarding Busycon perversuim. P '72, 276 



Lautenbach, B. F. The physiological action of hemlock and its 



alkaloid. P '75, 367 

 Lawrence, Geo. N. Descriptions of new species of birds of the 



families Vireonidae and Rallidse. P '63, 106 

 • Descriptions of new species of birds of the families Caere- 



bidae, Tanagridae, Icteridae and Seolopacidae. P '64, 106 



Descriptions of new species of birds of the families Paridse, 



Vireonidae, Tyrannidre and Trochilida, with a note on Myiarchus 

 panamensis. P '65, 37 



Descriptions of four new species of birds from the Isthmus 



of Panama, New Granada. P '65, 106 



— Notes on certain birds from New Granada with descriptions 

 of new species. P '67, 94 



— Descriptions of five new species of Central American birds. 



P '67, 232 



— Description of seven new species of American birds from 

 various localities, with notes of Zonotrichia melanotis. P '68, 

 359, 429 



— Descriptions of new species of birds of the families Troglody- 



tidae and Tyrannidae. P '71, 233 

 Lawrence, Geo. AY. On a mouthless fish. P '75, 125 

 Lea, Henry C. Catalogue of the Tertiary Testacea of the United 



States. P '48, 95 

 Lea, Isaac. Nomenclature of Unio. P '42, 214 



On a fossil reptile from Lehigh County, Pa. P '50, 171 



On fossil bones from the Connecticut Valley. P '51, 173, 205 



On a new locality for zircon. P '51, 211 



On dynamics of earthquakes. P '51, 261 



On the genus Acostam. P '51, 277 



Biographical notice of Richard Cowling Taylor. '51, 290 



On the Naiades of the United States. P '51, 331 



On zircon. P '51, 331 



On the weight of unios. P '52, 52 



Descriptions of a new species of symphynote Unio. P '52, 54 



Periodicity in Unionida?. P '52, 54 



