Fig. 12. Chililioceras natluini Grabau p. 4.s 



Another section through the same specimen paraUel tu the preceding and about 

 2mm. farther dorsad. Tiie secliun is shown on the oj>}Misiiig cut surface of the lock 

 and its position is therefore reversed as here viewed. (For location tee text fig. G, 

 hue c-d, also text Figs. 8,9 whicli show the two secliDiis in the same orientation). 

 Peilintze limestone, Shih-lMuu-Chai i-egion, Chilili. F F. Malhieu Cull. (C'(itv}ic G. 

 S. Gh. Cat. No. lllj. (See, also, Pis. IV &, Y). 



Fig. L'j. Chihlioccrds clruKjirdiKitaociit^r Grabau p- ■'! 



l;ja. View of the ty[)e from the upper or dorsal side. Natural size. The specimen is 

 reversed in position as com[)ared with the iither figures, in show the median 

 alveolus, and the inner surfaces of the lateral alveoli. {Vov restored sections see 

 text figures 14-16) . 



13b. Side view of the same. 



Peilintze limestone, Pei-Lin-Tze, Shih-Jlun-Chai region, eastern Chihli. (Ilolofype, 

 Coll. by F. F. Mathieu, G. S. Ch. Cat. Nn. 113). 



— lu.-, — 



