PLATE XVI. 
Fig. Page 
1. Mesiteia sahel-almce (Pictet & Humbert); inferior and partly 
lateral aspect of fish.—Senonian; Sahel Alma, Mfc. 
Lebanon, cl 1 , cl 2 . Dorsal fins. /. Eontanelle in cranial 
roof. m. Month, p.pb. Prepnbic process of pelvic arch. 
pet. Pectoral arch and fins. plv. Pelvic arch and fins. 
[P. 4778, 48107.] 345 
2. Ditto : tooth, outer aspect, twelve times nat. size.—Ibid. 
[46506.] 346 
3. Ditto; portion of trunk, four times nat. size.—Ibid. 
l.l. Calcified dermal rings of lateral line. r. Ribs. 
v. Vertebrae. [48107.] 345 
4. Pcdceoscyllium minus , sp. nov. ; lateral aspect of fish, two 
thirds nat. size.—L. Ivimmeridgian ; Eichstadt, Bavaria. 
[P. 5541.] 339 
5. Scyllium elongatum (Davis); portion of the upper and lower 
dentition, outer aspect, four times nat. size.—Senonian ; 
Sahel Alma, Mt. Lebanon. [49521.] 341 
6. Scyllium (?) tumidens , sp. nov. ; tooth, outer aspect, six 
times nat. size.—Ibid. [P. 4777.] 342 
7. 8. Scyllium clubium , sp. nov. ; two associated teeth, inner 
and outer aspects, eight times nat. size.—L. Chalk, 
Dover. [47288.] 341 
9. Ginglymostoma serra (Leidy); tooth, outer aspect.— 
Eocene; Clarke’s Co., Alabama. P. 1216.] 348 
