;88 



MICROSCOPIC FORMS OF ANIMAL LIFE 



muscular bulb containing the jaws or trophi (ti). These latter are 

 hard, glassy bodies consisting of two hammer-like pieces called 

 ni'illei (fig. 602) and a third anvil-piece called an incus. Each 

 m'lllett'S (ms) is in two parts the manubrium (mm), or handle, 

 and the imcm (us), of five finger-like processes, which unite to 



PIG. 601. Bracltioiuix riihciix: sj>, styligerous prominences civ, coronal 

 wreath ; ts, tactile styles ; ., dorsal antenna ; a', a', lateral antenna? ; I HI, 

 longitudinal muscles; as, oesophagus; oy, ovary; 0111, ovum; </, germ; 

 //, vibratile tags; i, intestine;/, foot; t, toes; c/n, brain ; r, eye; mx, 

 imistax ; ti, trophi; f/g, gastric glands; .s, stinnac-h : h; longitudinal 

 canals; rv, contractile vesicle ; <!, cloaca;./}/, foot-gland. (After Dr. Hudson.) 



form the hummer's head. The Incus (is), or anvil, is tin-mod of two 

 |irism-shuped bodies, or ratni (rs), pointed at their free ends, and 

 .it t.-idicd .'il thoir In-oad ends to a thin plate called the/WZr/-///// (./'^O- 

 which, seen vont rally or dorsallv. looks like ;i rod. These vui-ious 

 parts are connected by muscular fibres, and so .-u-tod on by muscles 



