670 



Journal of Agricultural Research 



Vol. XV 



Chlorid— Continued. Page 

 potassium, used in exieriments with green- 

 sand 488 



silver, used in determining nitrogen in 



spinach 4cx>-404 



sodium — 



effect on plowsole 507 



used in aUcali experiment 289-319 



used in experiments with intestinal tri- 

 chinae 468-482 



Chloroform, effect on alfalfa silage S9o 



Chrysophyllum monopyrenum. host of puparia 



parasitized by Diachasma fullawayi 448 



Citnez — 

 antenni-rectus. SeeMirw dolabratus. 

 deses. See Miris dolabratus. 

 dolabratus. See Miris dolabratus. 

 frumentaruis. See Miris dolabratus. 

 laevigatus. See Miris dolabratus. 

 lateralis. See Miris dolabratus. 

 porrectus. See Aliris dolabratus. 

 recticornis. See Miris dolabratus. 

 riparius. See Miris dolabratus. 

 V-fiavum. See Miris dolabratus. 

 Citratae, susceptibility to Pseudomonas citri 662-663 

 Citreae, susceptibiUty to Pseudomonas citri. 662-665 

 Citrinae, susceptibility to Pseudomonas citri 662-665 

 Citron. See Citrullus vulgaris. 

 Citrullus vulgaris — 

 free from attacks of Bacterium lachrymans ... 206 

 host of organism virulent to Ipomoea batatas 347 

 Citrus canker. See Pseudom.onas citri. 

 Citrus — . 

 grandis, susceptibility to Pseudomonas 



citri 664-665 



sinensis, susceptibility to Pseudomonas 



citri 665 



Citropsis schvueinfurthii, susceptibility to 



Pseudomonas citri 662-665 



Clays, potash in 70-72 



Claucena lansium, susceptibility to Pseudo- 

 monas citri 662-665 



Clover — 



crimson. See Trifolium incarnatum. 

 red. SteTrifolium.pratense. 

 Coffea arabica, host of puparia parasitized by 



Diachasma fullawayi 448 



Coffee. See Coffea arabica. 



Coleoptera, fotmd on imported orchids 26.1 



Coleosporium — 

 senecionis, similarity to Capnodium meridi- 



onale 648 



solidaginis. Syn. Coleosporium sonchi-arvcn- 



sis. 

 sonchi-arvensis, fusion nucleus in teliospore . 646 

 Coleus, production of injected areas due to 



freezing 86 



Collembola, found on imported orchids 263 



Colley, Reginald H. (paper): Parasitism, Mor- 

 phology, and Cytology of Cronartium ribi- 



cola 619-660 



Colloids, soil, relation to plowsoles 505-519 



Colocasia esculenta, host of rot-producing 



organism virulent to Ipomoea batatas 347 



Colon organisms in alfalfa silage 574-592 



Colorimctric titration of silage extract 127-129 



Page 

 Complement-fixation test, serum distributed 



by multiple-pipette holder 615-618 



Condition of Fertilizer Potash Residues in 



Hagerstown Silty Loam Soil (paper) s9-8i 



Conifers, diseases of seedUngs 521-558 



Conifer seedlings, injury from — 



damping-off 521-558 



drouth 554-S5S 



mechanical means 551-554 



whitespot 551 



Conner, S. D. (paper): Soil Acidity as Affected 



by Moisture Conditions of the Soil 321-329 



Contribution to the Biology of Fruit- Fly 



Parasites in Hawaii (paper) 419-466 



Copper — 

 sulphate, effect on BacteriuTu lachrymans.. 205 

 sulphid, used in determining nitrogen in 



spinach 400-404 



Coriseus ferus, natural enemy of Leptoterma 



dolobrata 194 



Com chop, effect on alfalfa silage 574-590 



Corrodentia, found on imported orchids 263 



Corsican pine. See Pinus nigra poiretiana. 

 Corticium vagum, cause of damping-off in coni- 

 fers 522-558 



Cotinus nilida, larvae, effect of hydrocyanic- 

 acid gas on 134-136 



Crataegus spp., nature of dormancy of seeds, . 138 

 Crimson clover. See Trifolium incarnatum,. 

 Crocker, William, and Harrington, George T. 

 (paper): Catalase and Oxidase Content of 

 Seeds in Relation to Their Dormancy, Age, 



Vitality, and Respiration 137-174 



Cronartium — 

 ascelpiadeum, resemblance to Cronartium 



ribicola 653 



comptoniae, nature of injury on Pinus syl- 



vestris 649 



flaccidum, parasite on Peonia officinalis. . 638-639 



occideniale, ascia 652 



ribicola — 



cytology 639-653 



infection of pine 624-625 



life history 620-624 



morphologj' — 



aecia 630-634 



mycelium 626-629 



pycnia 629-630 



telia 637-639 



uredinia 635-637 



Crookneck squash, Japanese. See Cucurbita 



Tnoschata. 

 Crosses between dairy and beef cattle — 



breeds in parent herd 2 



inheritance of— 



beef qualities 49-51 



color 22-24 



milking qualities 51-52 



muzzle color 42-43 



polled character 45-4S 



switch color 44 



tongue pigment 43-44 



white markings 24-42 



Crude fiber — 



digestibility in alfalfa hay and starch 271, 28a 



in dry matter of feeding stuffs .57° 



