Show laughter a series of f barke barks Is barking say the eel act ivits the neck and head are own back while a aerie aeries a of short irh arks tre are emitted from the throat bieter musical the barks may be lej ey ire are barks the laugh begins A th i a hidden sudden and violent contraction I 1 the th muscles of the cheat and ab omel but instead of 0 opening to let tie I 1 tir kir pass out of the lungs the docil via approach each other and bold it ack bat but they are not strong enough buch such lor for more 82 in Ini tant and the air which la Is pressure promptly escapes aa As doel oe 10 0 o it makes the vocal cords tl 1 lite pro brodu during ing the bark 1118 W and liberation ot of lr exi ellid from the lungs repeats keahn lt again and again at intervals ot of rt er of a second there are thu thus 1 I 1 hearty laugh four barka barks a second za if continued they go on at that U king long as the air reserve in the 91 e holds ou out t the empty lpuis lung lit then fill th themselves em selves and this in p I 1 is marked by a quick gasp fa far r after ter which the barks are re ved td the barks occur 1 in series gasps for breath at intervals beim an laughter lighter Is violent the entire V 0 Parti cipa t es the upper of I 1 t part tk k bends bend a and straightens itself Ar raa tely or ways aware to right and left I 1 feet w dds stamp on the floor while the tre are pressed ed upon the loins loin t tc ate the painful spasm |