A Iphahctical Index. 



143 



Neotoma baileyi, 123. 



cineiva druinmondi, 127, 128. 

 desertorum, 119, 125-12(). 



sola, 126. 

 fallax, 123-124. 

 tioridana, 117, 118. 

 fulviventer, 121-122. 

 fuscipes dispar, 124-125. 



streatori, 124. 

 intermedia angusticeps, 

 127. 

 m e 1 a n u r a, 

 120-127. 

 latifrons, 121. 

 leucodon, 118, 120, 121. 

 mexicana, 118. 

 mexicana bullata, 122, 123. 

 oiizabae, 122. 

 oiolestes, 128. 

 tenuicauda, 121. 

 Nomada, 67. 



Oecodoina eejilialote!-:, 29. 



a^fophylla, 24. 



Organ.s, important special, of bees, 11. 



sense, 42. 



wax-prod ncincr, 12. 



P. 



Palmer, Wm., AllMnistic Birds' Feet, xv. 



, Nesting Sites of Blue Gray Gnat 



Catcher, x. 



, Rare Birds in District of Columbia, 



viii. 

 Parorgyia, 39. 

 Perdita, 66. 



Perodipus, 109, 11.3-115. 

 agilis, 114. 

 ordi, 115. 

 Perodipus ordi columbianus, 115. 

 panamintinus, 1U9, 114. 

 streatori, 109, 11.3-114. 

 Plant lice, 2(). 

 Polistes, 20, 23. 



gallica, 21, 22. 



Pollard, Charles L., Genus Cassia in 



America, x. 

 Polleniferous organs in bees, 16, 65 67. 

 Polyergus rufescens, 25. 

 Polyrhacis, 70. 

 Poneridfe, 24. 

 Powell, J. W., Classification of Sulyect- 



matter of Biology, xiii. 

 Prosopis, 67. 

 Proetus bohemicns, 91. 



R. 



Rabl)it, New, from We.«tern Florida, 

 10.5-108. 



Raumeria cocchiana, 84. 

 masseiana, 84. 

 reichenbachiana, 85. 

 scludziana, 85. 



Riley, C. V., Social Insects from Psy- 

 cliical and Evolutional Points of View, 

 1-74. 



, Some Interesting Results of In- 

 juries to Trees, xi. 



, Transmission of Acquired Char- 

 acters, viii. 



Romanes on instinct in neuter insects, 

 49. 



Rose, J. N., A Botanical Trip to North- 

 western Wyoming, vii. 



Saljni, 94. 



Snmia cyntliia, 44. 



Sao hirsuta, 91. 



Sciara, 4. 



Simpson, Charles T., Geograi)liical Dis- 

 tribution of Fresh- water Mussels, xiv. 



, Geographical Distribution of Land 



Sliells in Jamaica, x. 



, Respective Values of Shell and 



Soft Parts in Naiad Classification, xiii. 



, Validity of genus Margaritana, xi. 



Slave-making among ants, 25-^6. 



Smith, Erwin F., Biology of Bacillus 

 trachfeiphilus, xiv. 



