ALPHABETICAL INDEX. 



7!) 



PAGE 



w. 



Walcott, C. D.. a new genus and species 

 of ostracod crustacean from the Lower 



Cambrian v 



Discovery of vertebrate life in Lower 

 Silurian (Ordovician) strata . . . . xiii 

 Wallace, Alfred Russel . . 13, 18, 25, 45, 68, 69 

 Ward. Lester F., presidential address, 

 Neo-Darwinism and Xeo-Lamarck- 



ism xii, 11 



Flowers that bloom in the winter time . . v 



American Triassic flora ix 



Some Florida plants . xv 



Haeckel's radiolaria of the Challenger 

 Expedition xviii 



PAGE 



Three days in the tropics xviii 



Recent discoveries of Potomac fossil 



plants near Washington xix 



Alphonse de Caudolle on the transmis- 

 sion of acquired characters xix 



Web. geometric spider, structure and 



construction of xviii 



Weismann. August 25, 29, 30 



33. 34. 35, 36, 37. 38. 40, 43. 44. 45. 4b. 48, 49 

 50, 51, 52, 55, 56, 57, 59, 60, 61, 65, 66, 67, 69 



Weismann hypothesis 1, 7 



White, David, some peculiar forms in an 



upland Carboniferous flora xviii 



Wing of Me fop id ins xi 



Worms in cattle, some little known . . . xiii 



