LIST OF CONTRIBUTORS. 177 



Tyson, James. Continued. 



On the reversal of lights and shadows in red blood-corpuscles 



while under microscopic examination. P '71, Biol. 1 



On cement um. P 71, Biol. 5 



On a gastric canula. P '71. Biol. 5 



On deposit from a case of hematuria. P 71. Biol. 7 



Tyson, Philip T. On infusorial beds of Tripoli. P '60, 550 

 I'lii.iK. Wm. H. On deweylite. P '56, 139 



On a supposed earthquake at Manayunk. P '57, 73 



On crystallized lead. P '57, 173; '58, 2 



On the effects of cold on animals. P '57, 173 



On a specimen of nitre. P '58, 1 



On an anaesthetic effect of bisulphide of carbon. P '59, 164 



On organic substances not found in organisms during life. 



P '59, Biol. 3 



Uhler, Philip R. Descriptions of a few species of Coleoptera 

 supposed to be new. P '55, 415 



Contributions to the neuropterology of the United States. 



P '57, 87 



— — Descriptions of new species of neuropterous insects collected 

 by the North Pacific Exploring Expedition under Capt, John 

 Rodgers. P '58, 29 



Hemiptera of the North Pacific Exploring Expedition under 



Com'rs Rodgers and Ringgold. P '60. 221 



Homoptera of the North Pacific Exploring Expedition un- 

 der Com'rs Rodgers and Ringgold. P '61, 282 



Descriptions of four new species of Hemiptera collected by 



the Northwestern Boundary Survey. P '61, 284 



Rectification of the paper upon the Hemiptera of the North 



Pacific Expedition. P '61, 286 

 Vanatta, Edward G. A new American land shell. P '99, 120 



West American Eulimidae. P '99, 254 



— — A new American species of Zonitoides. P '99, 524 



New marine mollusks. P '01, 182 



A list of shells collected in western Florida and Horn 



Island, Mississippi. P '03, 756 



— Notes on the leaf hairs of Lesquerella. P '07, 247 



— Bermuda shells. P 10, 664 

 See Pilsbry, H. A., and E. G. Vanatta 



Van Denburgh, John. Reptiles from Sonora, Sinaloa and Jalisco, 

 Mexico, with a description of a new species of Sceloporus. P 

 '97, 460 



