31. This variant of the bugle fell out of use with the invention of the valved cornet. 32. As with conventional pulsejets, there are two main types of designs : valved and valveless. 33. He usually has a modern, valved trumpet of some kind on or near his person. 34. It splts into two valved segments, with a single grey round seed within each segment. 35. The fruit contains a 5-valved capsule which measures up to 5 mm in diameter. 36. The tiny, inconspicuous fruit is a leathery two-valved capsule about long and white. 37. The fruit is a spirally-twisted two-valved capsule releasing minute seeds when mature. 38. The national rivalry between French and German makers continued into the era of the valved horn. 39. The first piston-valved musical instruments were developed just after the start of the 19th century. 40. These works were written for natural horn, the valved instrument not being invented until about 1810.