CONTENTS. 
Social Life among the DaS TPP T sr cW H Dolli yona ae 
The Sewellel or Sho eg ae wee S sS K Dume dry os a ee ae 
The a of Southern Nevada R E < ee D, A TE aa s e e 
The Night Herons and thebe Exodus. ps .. 2. + se wees eee De og Poa e os 27 
Variations i in the Nests of the same e Species Or Binge. 4). <a 2 M BIE Sk 4 res 35 
Movements in Animal Evolution. ..........- CCCP AES T 40 
The Saurians Recently Deorai | in a Dakota Beds of Col- 
Ne ay eee ge ee ay ee Bs DD CO a an an ee 71 
The Discolored Waters of the Gul Bko. aa a H Ss a E h 85 
The Distribution = Tim and Origin of Prairies in lowa: : J S. Todd oo se we os oes 
United States Survey of Ps TEDO aS Ge < siko V eee SG r 
T ransformations afe ie sa Mitte. aa aa " R A TE ere rat 139 
The Home of th E O A . Felix L. Oswald. . „ a uo 
Like aun in as Producing Like Morphological T 
R R E O T o E 
The Transat Of Piste eee ew we a MEE Re oe ee ; 
Rambles of a Botanist in New Mexico. . . . s ao =o kia Riward = Greene. . +172, 208 
The Prairie Dog, Owl and Rattlesnake... . .. n on erinu S W Witten 6s ka «7903 
The T mations ~ Habits of the Blister Beetles Se sce Chas V. ee Coie ea 213, 282 
The seaceugeny of Rocks and Fossils for Microscopical Exami- 
(eae Cs Reg ee ee eek parson ee ars 
The S PIRM ADE oo oo) Ss ee ie es Air Brees 1 eee eee 
Traces of Solar Seaway in n AETA 66 655s Sb as eee a Ferier . oo 228 
A New — TRA AVIOPHOTA > ces ke Se ye APENE A a a 232 
ANDA PA a og ee os os a a Joseph Leidy fe ey 
Hairs and Glepdulac A Plants: Their Forms and Uses. . m rA E ke P cae 
ie BE a an Ge e a a rikur E. Brown. s... 21 
An Examination of Prof. Leo Lesquereux’s Theory of the ah ; 
gin and Formation of Prairies Canah OP Hay. assan aaa 299 
Methods of Labelling in pang as Collections E E ~~ W. H. Ballon.. ....- i w6 
, Notes on Indian Manne pe end Custis sag a eS Edward Pal . ud 
F His ae. elo hae a ate K + eriet Sidak Minn = ee 
Rank round S Eb eos oe eee Ses “o 
Phosphorescent Insects; Their Metamorphosis... . + >.. ker ya King.. lereh o 
On the Genealogy of Plants... . . ss. sn a vw os i È. Ward . Laa. -359 
The Mode of Extrication of Silk-worm Moths from their 
Å, S. Packard, Fo 
-an 
E E Bee 8 ey eae as. pat ei Ke tale ees 
Mound Making Ants of ~ an Eor te eee eoi olleery C Mrok ka 431 
The Seen Tuas Kaos. sk cy he ee ew Wikis ewe 
The Robin's Food Oe a |. . David Alexander Lyle... i 
` The Runners of Erythronium Americanum. . . iia ce a eae Te a 
~ The Mode of Extrication of the Moth D. C McLaren. . : 
Moqui Food Preparations. .........--- i is A, Berber... .. 3 
The Ineligi re eke House Sparrow in kine. . Biliatt Comes... ss + 49 
_ Walks sarees Francisco. . .. . Piel nce eee W. N. Lockington . . $05, 786. 
Some Characteristics of the Central Zoö-Geographical 1 Province a 
A E eo Uk as CAS. Packard, Pros = 3 
