Vill INDEX. 
PAGE PA 
Smith, E. F. Kramer’s disease of VARIATION in ambulacral smem 
sugar beet of Arbacia 259 
-—- Pinsent of c - 457 | Variation in Puccinia . 779 
Root event of Legumi- Variation in seedlings . 952 
nose . - 365 Variation in the : 509 
hu ur bacteria . . 45060 | Variation of Helix — ; 713 
Snakes, life-histori ‘ 17 | Variation versus heredity 821 
Society for plant morphology > 96 | Vertebrate head, segmentation of 587 
Sonoran flora 5 om 88 Volcanics of Michigan 952 
Special cre 878 
sn conception of 675 | Warp, H. B. Archives de Para- 
Spenc 463 pico ; . 80 
Snowe formation i in some Sporangia IOI arren, J. A. V ariations i in the 
Squawro 108 teleutospores of Puccin - 779 
Sterki, v: "Classification of Ciliate Water in bead 122 
nfus Skoi fs « $35 
Stimulation of- plants and ‘chemical Webb, R. J. Pollination of genti an 265 
chan a 354 | Webber ,H.J. Are blepha eae 
Sto ech movements 524 | distinct from centrosomes 100 
Stomach o 590 | Whales, nomer nE 449 
Sugar pea pTi of 99 | Wheeler velopment of 
ugar ae ues eles oa the ts one (Chalicode ma) . 94 
Salor Dab 456 | Whipple, G. C. Classification of 
Sunstroke aint: haton «$33 lakes according to temperature. 25 
Swing’ Here redity, o rigin Wiegan . M. Embryology of 
of — and Sriep a 16 Po otamogeto eton _ 109 
— Two new o: ko of the pen Wilder, B. G. Agassiz at Penikese 189 
- . 102 | Williams, H. S. Variation versus 
Swiss schis . 81 heredit 21 
Switzerland rocks associated with Wilson, L. L. American squaw- 
iron o root (Cono holis o8 
Wings of insects, 42, ŝi, 231, 335, 
AATDOIDS, fossil of France II5 43 sér, zo 903 
mporal region of rE skull. 69 | Wisconsin, Forest o . 603 
Fodmales of brain Wisconsin - 883 
hompson, C. Phloëm in gel- olpi, rT at winter solstice 432 
siiig 110 oods, A. T. Variable reactio 
mport of To S of plants and Meie to hydr = ; 
Trematodes, morphology of - 954 | -~ cyanic acid . 104 
Trotting horse 55 | Wright, A. A. Agassiz: and the 
Tubereeaon roots of Leguminoseæ Di ice age - 164 
Tumors and germ layers zy Tunai flora of . 461 
UNIONIDÆ of Michigan . . 956 | ZooLocy at Johns Hopkins 128 
