No. 7. DEPARTMENT OP AGRICULTURE. 11 



No. 80. Sex in Plants, 17 pages, 1897. 



No. 31. The Economic Side of the Mole, -12 pages, 1898. 



No. 32.* Pure Food and Dairy Laws, 30 pages, 1898. 



No. 33.* Tabulated Analyses of Commercial Fertilizers, 42 pages. 

 189S. 



No. 34.* Preliminary Report of the Secretary, 150 pages, 1898. 



No. 35. Veterinary Medicines, 23 pages, 1898. 



No. 36.* Constitutions and By-Laws, 72 pages, 1898. 



No. 37.* Tabulated Analyses of Commercial Fertilizers, 40 pages, 

 1898. 



No. 38.* Farmers' Institutes in Pennsylvania, 8 pages, 1898. 



No. 39.* Farmers' Institutes in Pennsylvania, 88 pages, 1898. 



No. 40. Questions and Answers, 206 pages, 1898. 



No. 41. Preliminary Reports of the Department, 189 pages, 1899. 



No. 42.* List of Creameries in Pennsylvania, 88 pages, 1899. 



No. 43. The San Jose Scale and other Scale Insects, 22 pages, 

 1899. 



No. 44. Tabulated Analyses of Commercial Fertilizers, 62 pages, 

 1899. 



No. 45. Some Harmful Household Insects, 13 pages, 1899. 



No. 46. Some Insects Injurious to Wheat, 24 pages, 1899. 



No. 47. Some Insects Attacking Fruit, etc., 19 pages, 1899. 



No. 48. Common Cabbage Insects, 14 pages, 1899. 



No. 49. Method of Protecting Crops, etc., 20 pages, 1899. 



No. 50. Pure Food and Dairy Laws of Pennsylvania, 33 pages, 

 1899. 



No. 51. Tabulated Analyses of Commercial Fertilizers, 69 pages, 

 1899. 



No. 52.* Proceedings Spring Meeting of Board of Agriculture, 296 

 pages, 1899. 



No. 53. Farmers' Institutes in Pennsylvania, 1899-1900, 94 pages, 

 1899. 



No. 54. Tabulated Analyses of Commercial Fertilizers, 163 pages, 

 1899. 



No. 55. The Composition and Use of Fertilizers, 126 pages, 1899. 



No. 56. Nursery Fumigation and the Construction and Manage- 

 ment of the Fumigating House, 24 pages, 1899. 



No. 57. The Application of Acetylene Illumination to Country 

 Homes, 85 pages, 1899. 



No. 58. The Chemical Study of the Apple and Its Products, 44 

 pages, 1899. 



No. 59. Fungous Foes of Vegetable Fruits, 39 pages, 1899. 



No. 60. List of Creameries in Pennsylvania, 33 pages, 1899. 



No. 61. The Use of Lime on Pennsylvania Soils, 170 pages, 1900. 



•Note. — Edition exhausted. 



