PLATE II. 
Fig. Pa §' e 
1. Squatina crassiclens, sp. nov. ; imperfect skeleton, about 
one half nafc. size—U. Senonian ; Sahel Alma, Mfc. 
Lebanon, hr. Branchial arches. m. Mouth. ms.p. 
Pectoral mesopterygium. mu. Eossilized muscle, pet. 
Pectoral fin. plv. Pelvic fin. jpr.p. Pectoral proptery¬ 
gium. v. Vertebral column. [P.4017.] 09 
2. Ditto ; middle portion of trunk, five ninths nat. size.—Ibid. 
r. Bibs. Other letters as above. [49518.] 69 
3. Ditto; basal cartilages of pectoral fin.—Ibid, nit.p. Meta¬ 
pterygium. Other letters as above. [49517.] 0) 
4 Ditto ; tooth, upper and anterior aspects, seven times nat. 
size.—Ibid. [*• 4017.] 69 
5. Ditto ; three dermal tubercles, about fifteen times nat. 
size.—Ibid. [48105.] 70 
