PLATE III. 
Fig. Page 
1. SderorJiynchus citavus , gen. A sp. nov.; portion of snout. 
—U. Senonian ; Sahel Alma, Mt. Lebanon. 
[P. 4776.] 76 
2. Rhinobatus mctronita, Pictet & Humbert; imperfect skele¬ 
ton, two thirds nat. size.—L T . Senonian; Hakel, Mt. 
Lebanon. [49512.] 81 
3. Ditto ; portion of head.—Ibid. r. Rostral cartilage, pr.pa. 
Prepalatine cartilage, pt.pa. Postpalatine (antorbital) 
cartilage. [49511.] 80 
4. Ditto; pelvic fin.—Ibid. [49554.] 80 
5. 5 a. Myliobatis goniopleurus , Agassiz ; portion of lower 
dentition, coronal aspect and section.—M. Eocene; 
Bracklesham Bay, Sussex. [P. 5387.] 115 
6. 6 a. Rhinoptera daviesii, sp. nov. ; portion of dentition, 
coronal aspect and section.—London Clay; Isle of 
Sheppey. [P. 1514.] 126 
