PLATE LT. 



Ftg. \.—M€foHra coronaria ^Tium (zonul view). Eiilargrd GOO diameters. DoHcrij^tioii, p. 23V. 

 Fi(i. 2. — Mdo6U'a coronaria >rM]in (valval view). Eiiliirged (XW diaiiieltTS. Description, p. 287. 

 Fig. Z.—Campijlodlsr((^ (fatapagen^u ilann. Enlarged 300 diametor.s. Desoriptiou, jt. 387. 

 Fig. 4 — Trujonium rasticum ^huin. Enlarged 600 diameters. DeHeripti<m, p. 2y4. 

 Fig. b,— Tn(jonh(m adspa^mm Mann. ICnlarged 600 diameters. Description, p. 2i)2, 



436 



