PLATE XVIII. 
Fig. Page 
1. Urenchelyg avus^ sp. nov. ; distorted fish, right lateral 
aspect.—Upper Cretaceous ; Sahel Alma, Mt. Lebanon. 
[P. 4860.] 337 
2. Ditto ; head and part of abdominal region, right lateral 
aspect.—Ibid. cl. Clavicle. md. Mandible. pet. 
Pectoral fin. s.occ, Supraoccipital. [P. 4751.] 338 
3. Urenchelys hakelensis (Davis) ; left lateral aspect.—Upper 
Cretaceous ; Hakel, Mt. Lebanon. [P. 4872.] 339 
4. Wiyncliorliinus hrancldalis., sp. nov.; head, right lateral 
and superior (4 a) aspects.—London Clay ; Sheppey. 
etli. Ethmoid, fr. Frontal. hm. Hyomandibular. 
md. Mandible, pa. Parietal. sq. Squamosal. 
Upper jaw. [P. 163.] 342 
