PLATE II. 
Fig. Page 
1. Osmeroides gracilis^ Davis ; left lateral aspect.—Upper 
Cretaceous : Sahel iVlma, Mt. Lebauon. hr. Branchi- 
ostegal rays. cli. Ceratohyal. ind. Mandible, op. 
Operculum, gu. Quadrate, s.op. Suboperculum. 
[P. 4855.] 17 
2. Ditto; bead, inferior aspect.-—-Ibid. c. Cranium. 
gu. Gular plate. Other letters as above. [49548.] 17 
3. Osmeroides letuisi (Davis) ; left lateral aspect, two thirds 
uat. size.—Upper Cretaceous ; Hakel, Mt. Lebanon. 
[P. 6024.] 18 
4. Osmeroides sardinioides (Pictet); left lateral aspect.— 
Ibid. 4«. Part of cranial roof of same specimen, 
three times nat. size. fr. Frontal, Parietal. 
sq. Squamosal. [P. 104. | 20 
