Apr.-Sept., 191S 



Index 



571 



Clematis — Continued. Page 



virginiana, host plant of Ascochyta clema- 



tidina 335 



Cobb, N. A. (paper), Tylencbus Similis, the 

 Cause of a Root Disease of Sugar Cane and 



Banana 561-568 



Coffea spp., food plants of Diaprepes spengleri 



abbrez'iatus 262 



Color— 



cell-sap 295-296 



heredity of, in Phlox drummondii 293-302 



inheritance of, in Vitis spp 320-323 



nature of, in plants 294-296 



plastid 295-296 



Colpidium colpoda, development of, in soil. . . 518, 



5271 541; 543) S56 



Colpoda cucullus, development of, in soil 527, 



541.556 

 Compsilura cancinnata, parasite of Porlheiria 



dispar 102 



Condylostovia patens, development of, in soil. . 556 

 Contribution to the Life History of Spongo- 



spora Subterranea, A (paper) 265-278 



Com — 



chemical composition of 463 



chop) — 



analysis of 439~44o 



energi^ value of 413-414 



nutrients of, consumed by dairy cows. . . 440-442 

 Guinea. See Andropogon sorghum. 

 Indian. See Zea mays. 



phosphorus content of 465> 468 



protein content of 468 



Corticium vagum , var. solani. See Rhizoctan ia 



sp. 

 Cottonseed- 

 hulls— 

 effect of — 



on body weights of dairy cows 412, 439 



on milk production 411,436-437 



energy value of 4^4 



influence of, on milk fat 422-423 



nutrients of, digested by dairy cows . 413 , 443-444 



nutritive value of 416-417 



meal— 

 ammonifi cation of, comparison with kelps . 23-29 



analysis of 439-44° 



energy value of 413-414 



nitrification of, comparison with kelps.. 23-29 

 nutrients of — 



consumed by dairy cows 440-442 



digested by dairy cows 443-444 



Cottonwood. See Po/>m/mj spp. 

 Cow, dairy — 



amount of nutrients digested by 413.443-444 



effect of different feeds on body weight 



of 411-412,437-439 



effect of different feeds on milk production 



of 411.435-437 



energy value of feed of 413-414 



prickly-pears as a feed for 405-450 



Crioceris asparagi, host of Tetrastichus aspa- 



ragi 303-314 



Cross- pollination — 

 influence of, on the water requirement of 



plants 391-402 



of Phlox drummondii 296-301 



Page 

 Crown-rot, relation of, to seedling diseases of 



Beta vulgaris 135-168 



Cytological Studies of Azotobacter Chroococ- 



cum (paper) 225-240 



Daciylis glomerata, host plant of Puccinia 



graminis 194-19S 



Dam ping-off — 



description of ^35 



occurrence on Bela vulgaris 135-140, 



143-144, 149. 154. 139-161, 165 

 Datura tatula, inoculation of, with Phoma 



destructiva ^^ 



Degree of Resemblance of Parents and Off- 

 spring with Respect to Birth as Twins for 



Registered Shropshire Sheep (paper) 479-510 



Diaprepes — 



famelicus 263 



spengleri 256-263 



description of 256 



distribution of . 257 



food plants of 258-263 



immature stages of 257 



spp 255-246 



classification of 256 



control of 263 



distribution of 255 



varieties of 257-263 



abbreviatus 261-262 



comma 258-260 



denudatus 263 



festivus 262-263 



margi?ialtis 258 



spengleri 260-261 



Disinfectant, germicidal efficiency of 67-90 



Dolichos lablab, food plant of Diaprepes speng- 

 leri festivus 263 



Dung, agency in dissemination of Phoma 

 betae i73-i74 



Edson, H. A. (paper) — 

 Rheosporangium Aphanidermatum, a New 

 Genus and Species of Fungus Parasitic on 



Sugar Beets and Radishes 279-292 



Seedling Diseases of Sugar Beets and Their 

 Relation to Root-Rot and Crown-Rot . . . 135-168 

 Effect of Temperature on Germination and 

 Growth of the Common Potato-Scab Or- 

 ganism 129-134 



Effect on Soil Moisture of Changes in the Sur- 

 face Tension of the Soil Solution Brought 

 About by the Addition of Soluble Salts. . 1S7-192 

 Eggplant. SeeSo/anww melongena. 

 Egregia — 

 m,enxiesii — 



forms of nitrogen in 46 



hydrolysis of so 



sulphur in 51 



spp., organic constituents of 39-56 



Elymus — 

 canadense, food plant of Prosopothrips cog- 



natus 221 



virginicus, food plant of Prosopothrips cog- 



natus 221 



Encheyls pupa, development of, in soil 527 



