120 BULLETIN 1199, U. ». DEPARTMENT OF AGRICULTURE. 
15. Medullary spots: A contribution to the life history of some cambium miners . Bv J. G. Grossenbacher. 
Nov., 1910. 
16. The acidity of glutenfeeds. By W. H. Jordan. Dec, 1910. 
17. The apple "and pear Membracids. By H. E. Hodgkiss. Dec, 1910. 
18. A contribution to the life history, parasitism, and biology of Botryosphaeria ribis. By J. G. Grossen- 
bacher and B . M. Duggar. July, 1911. 
19. Phytin and phosphoric acid esters of inosite, [B. By R. J. Anderson. Apr., 1912. 
20. A s'tudy of the metabolism and physiological effects of certain phosphorus compounds with milch 
cows, II. By A. R.Rose. May, 1912. 
21. Phytin and pyrophosphorie acid esters of inosite, U. By R. J. Anderson. June, 1912. 
22. The organic-phospnoric acid compound of wheat bran: Preliminary report. (Third paper on phvtin.) 
By R. J. Anderson. Sept., 1912. 
23. Crown-rot of fruit trees: Field studies. By J. G. Grossenbacher. Sept., 1912. 
24. The apple and cherry ermine moths. By P. J. Parrott and W. J. Schoene. Nov., 1912. 
25. The organic phosphoric acid of cottonseed meal. By R. J. Anderson. Dec, 1912. 
26. Composition and properties of some casein and paracasein compounds and their relations to cheese 
By L. L. Van Slyke and A. W. Bosworth. Dec., 1912. 
27. A study of the udder flora of cows. By H. A. Harding and J. js.. "Wilson. Mar., 1913. 
28. Zinc arsenite as an insecticide. By W. J. Schoene. Mar., 1913. 
29. An efficient electrical incubator. By H. J. Conn and H. A. Harding. Mar., 1913. 
30. The influence of temperature and moisture in fumigation. By W. J. Schoene. July, 1913. 
31. The action ofrennin on casein. By A. W. Bosworth. Sept., 1913. 
32. A contribution to the chemistry of phytin: The organic phosphoric acid of cottonseed meal; phytinin 
oats; phytin in corn; concerning the composition of barium phytate and phytic acid from com- 
mercial phytin and a study of the properties of phytic acid and its decomposition products. By 
R. J. Anderson . Jan., 1914. 
33. Preparation, composition and properties of caseinates of magnesium. By L. L. Van Slvke and O. B. 
Winter. Feb., 1914. 
34. Why sodium citrate prevents curdling of milk by rennin. By A. W. Bosworth and L. L. Van Slvke. — 
The use of sodium citrate for the determination of reverted phosphoric acid. By A. W. Bosworth. 
May, 1914. 
35. Bacteria of frozen soil. By H. J. Conn. July, 1914. 
36. Organic phosphoric acids of wheat bran: Concerning the organic phosphoric acid compound of wheat 
bran (ninth paper on phytin); concerning inosite monophosphate, a new organic phosphoric acid 
occuringin wheat bran (tenth paper on phytin). By R. J. Anderson. July, 1914. 
37. Studies relating to the chemistry of milk and casein: The cause of acidity of fresh milk of cows anda 
method for determination of acidity. By L. L. Van Slykeand A. W. Bosworth. — Thephosphorus 
content of casein. By A. W. Bosworth and L. L. Van Slyke. — The action of rennin on casein 
(second paper). By A. W. Bosworth. Dec, 1914. 
38. Culture media for use in the plate method of counting soil bacteria. By H.J. Conn. Nov., 1914. 
39. Condition of casein and salts in milk. By L. L. Van Slyke and A. W. Bosworth. Dec, 1914. 
40. Concerning the organic phosphorus compound of wheat bran and the hydrolysis of phytin: Inosite 
triphosphoric acid in wheat bran (eleventh paper on phytin) : hydrolysis of phytin by the enzyme 
phytase (twelfth paper on phytin); hydrolysis of the organic phosphorus compound bfwheat bran 
by the enzyme phytase (thirteenth paper on phytin) : phytin in wheat bran (fourteenth paper on 
phytin). By R.J. Anderson. Jan., 1915. 
41. Fibrin. By A. W. Bosworth. Apr., 1915. 
42. The tree crickets of New York: Life history and bionomics. By B. B. Fulton. May, 1915. 
43. Human milk. By A. W. Bosworth. May, 1915. 
44. Ascochyta clematidina, the cause of stem-rot and leaf-spot of clematis. By W. O. Gloyer. Aug., 1915. 
45. Inheritance ofcertain characters of grapes. By 17. P. HedrickandR. D.Anthony. Aug., 1915. 
46. The casein and salts of goat's milk. By A. W. Bosworth and L. L. Van Slyke." Dec, 1915. 
47. Limestones of New York, with reference to their agricultural use. ByR.C.Coilison and J. F. Barker. 
Dec 1915. 
48. Chemical changes in the souring of milk. By L. L. Van Slyke and A. W. Bosworth. Jan., 1916. 
49. Counting bacteria by means of the microscope. By R. S. Breed and J. D. Brew. Feb.. 1916. 
50. Tree cricket s as carriers of Leptosphaeria ccniothyrium (Fckl.) Sacc. and other fungi. By W. O. Glover 
and B. B. Fulton. Mar., 1916. 
51. Aresnore-formmgbacteriaofanysignificanceinsoilundernormalconditions? BvH.J.Conn. Mar., 
1916. 
52. A possible function of actinomycetesin soil. ByH.J.Conn. Mar., 1916. 
53. Thenumberofcoloniesallowableonsatisfactoryagarplates. By R. S. Breed and W.D.Dotterrer .— 
A comparison between agar and gelatin as media for the plate method of counting bacteria. By 
H. J. Conn and W. D. Dotterrer. May, 1916. 
54. Concerning the utilization of inosite in the animal organism: Concerning the effect of inosite upon the 
respiratory exchange in the dog. Bv R. J. Anderson. The effect of inosite upon the metabolism of 
man. By R. J. Anderson and A. W. Bosworth. May, 1916. 
55. Concerning certain aromatic constituents of urine: A study of the non-phenolic volatile oils isolated 
from the urine of cows, goats, horses, and human bein/s. By R. J. Anderson. Aug., 1916. 
56. The leaf- weevil (Polydrusus impressifrons Gyll.). By P. J. Parrott and Hugh Glasgow. Dec, 1916. 
57. Soil flora studies: General introduction [to Teehinal Bulletins 57, 58, 59, and 60] : the general character- 
istics of the microscopic flora of soil; methods best adapted to the study of the soil flora. Bv H. J . 
Conn. Jan., 1917. 
58. Soil flora studies: in, Spore-forming bacteria in soil. By H. J. Conn. Mar., 1917. 
59. Soil flora studies: IV, N onspore-forming bacteria in soil. By H. J. Conn. Mar., 1917. 
60. Soil flora studies: V, Actinomycetes in soil. By H. J. Conn. Mar., 1917. 
61. Facilities for lysimeter and out-door pot culture work at the station. By J. F. Barker. Mar.. 1917. 
62. Determinaticn of carbonates in limestone and other materials. By J. F. Barker. May, 1917/ 
63. Inheritance of sex in strawberries. By R. D. Anthony. Sept., 1917. 
64. The microscopic study of bacteria and" fungi in soil. By H. J. Conn. Jan., 191S. 
65. Studies relating to milk: The preparation of pure casein; a method for making eleetrometric titrations 
of milk and other solutions containing proteins; free lactic acid in sour milk. Bv L. L. Van Slvke 
and J. C. Baker. Bee., 1918. 
66. The rosv aphis in relation to abnormal apple structures. Bv P. J. Parrott, H. E. Hodgkiss. and F. Z. 
Haftzell. Jan., 1919. 
67. Ammonification of manure in soil: TVnat soil organisms take part in the ammonification of manure? 
Bv J. W. Bright. — Taxonomic studv of two important soil ammonifiers. By H. J. Conn. Apr., 
1919. 
68. Comparison of methods for computing daily mean temperatures: Effect of discrepancies upon investi- 
gations of climatologists and biologists. B\ F. 2 , riartzeli. June, 1919. 
