122 



VERNON C. ALLISON 



SS- The temperature is high See 35 



34. The temperature is low See 36 



35. The concentration is high, type 21; it is low, type 22 



36. The concentration is high, type 23 ; it is low, type 24 



37. The humidity is high See 39 or]4o 



38. The humidity is low See 43 or 44 



39. The temperature is high See 41 



40. The temperature is low See 42 



41. The concentration is high, type 25; it is low, type 26 



42. The concentration is high, type 27; it is low, type 28 



43. The temperature is high See 45 



44. The temperature is low See 46 



45. The concentration is high, type 29; it is low, type 30 



46. The concentration is high, type 31; it is low, type 32 



TABLE IV 



Table of Characteristics 



