LIST OP CONTRIBUTORS. 117 



Lyman, Ben,i. Smith. Continued. 



On a bent gravestone. P '68, 91 



The Kaul.sville cave. P 1900, 464 



Lodel creek and Skippack creek. P '01, 604 



Accounting for the depth of the Wyoming buried valley. 



P '02. 507 



Soolithus linearis, burrows with orifice complete. P '09, 296 



Lynch. W. F. On human bones from Brazil. P '58, 179 

 Lyon, Sidney' S. Descriptions of new Paleozoic fossils from Ken- 

 tucky and Indiana, P '61, 409 



Lyon, Victor \Y. Descriptions of three new species of Oal- 

 eeolidse from the Upper Silurian rocks of Kentucky. P '79, 43 



McCall, George A. Description of a supposed new species of 

 Columba inhabiting Mexico with some account of the habits of 

 the Geoeoccyx viatieus. P '47, 233 



Some notes on Mexican birds heretofore not fully described. 



P '48, 63 



Some remarks on the habits, etc. of birds met within western 



Texas, between San Antonio and the Rio Grande, and in New 

 Mexico; with descriptions of several species believed to be 

 hitherto undescribed. P '51, 213 



Note on Carpodacus frontalis (Say) with description of a 



new species of the same genus, from Santa Fe, New Mexico. 



P '52, 61 

 McCartee. 1). B. On insect wax. P '57, 178 

 McCaughan, J. Z. A. See Hall, E. A. and J. Z. A. McCaughan 

 McClure, William. Observations on the geology of the West- 



Indian Islands, from Barbados to Santa Cruz inclusive. J i, 134 



Essay on the formation of rocks, or an inquiry into the 



probable origin of their present form and structure. ,i i, 261, 

 285, 327 



McCook, Henry C. Habits of Formica rufa. P '76, 199 



On webs of new species of spiders. P '76, 200 



On the vital powers of ants. P '77. 134 



■ The agricultural ants of Texas. P '77, 299 



The aeronautic flight of spiders. P '77, 308 



The mode of recognition among ants. P '78, 15 



Toilet habits of ants. P '78, 119 



The basilica spider and her snare. P 78, 124 



Note on the probable geographical distribution of a spider 



by the trade winds. P 78, 136 



