84 CKOCODILIA. 



Genus NANNOSUCHUS, Owen \ 



Cranium agreeing in general structure with that of Goniopholis, 

 but the teeth slender, recurved, smooth, and but slightly differen- 

 tiated. 



Nannosuchus gracilidens, Owen 2 . 



The type species ; length of cranium about 0,115. 

 Hab. Europe (England). 



The following specimens are from the Middle Purbeck of Durdlestone 

 Bay, Dorsetshire, and include the types. They belong to the 

 Beckles Collection. Par chased, 1876. 



48217. The nearly entire cranium. Figured by Owen in his 

 {Fig.) Wealden and Purbeck Eeptilia,' suppl. ix. pi. iii. fig. 1. 



48303. Slab containing the mandible, vertebrae, and scutes. Eig- 

 (Fig.) ured by Owen, op. cit. pi. ii. figs. 1-5. 



48301. Slab containing the dentary portion of the mandible, de- 

 (Fig.) tached teeth, and scutes. Figured, op. cit. pi. ii. figs. 6 

 (mandible) and 7 (tooth). 



48328. Slab containing the anterior part of the mandible, and 



(apparently) the tibia and fibula. 



48328 a. The nearly entire right ramus of the mandible. Figured, 

 (Fig.) op. cit. pi. ii. fig. 8. 



48328 C. Slab containing the left dentary portion of the mandible, 

 the humerus, and fragmentary scutes. 



48329. Slab with the dentary portion of the mandible, the humerus, 

 (Fig.) and vertebrae. Figured, op. cit. pi. ii. figs. 9 (mandible) 



and .10 (humerus). 



48244. Slab with portion of cranium, mandible, vertebrae, and scutes. 



Genus OWENIASUCHUS, A. Smith Woodward 3 . 



Syn. Brachydectes, Owen 4 . 



Described from the mandible, in which there is no vacuity and 

 the teeth are confined to the anterior third. 



1 Wealden and Purbeck Eeptilia (Mon. Pal. Soc), suppl. ix. p. 6 (1879). 



2 hoc. cit. 



3 Geol. Mag. dec. 3, vol. ii. p. 50(> (1885). 



4 Op. cit. p. 3. Preoccupied by Cope (1868) for a genus of Labyrinthodontia. 



