SUPPLEMENT. 



Order OUNITHOSAURIA (supra, I p. 2). 



Family RHAMPHORHYNCHID.E {supra, i. p. 27). 



Genus SCAPHOGNATHUS {supra, i. p. 27). 



Scaphognathus purdoni, Newton x . 



Of large size, the length of the skull being approximately 0,190 



(7*5 inches). Teeth apparently more numerous than in type species ; 



preorbital vacuity more ovoid, and the whole cranium less depressed, 



with a distinct median channel between the prefrontals and frontals. 



Hab. Europe (England). 



R. 1613. Cast of the cranium, showing the brain in situ, but want- 

 ing the greater portion of the rostrum. The original was 

 obtained from the Upper Lias of Whitby, Yorkshire, and 

 is figured by Newton in the ' Phil. Trans.' for 1888, 

 pis. lxxvii., lxxviii. Some remarks on the relations of the 

 bones are made by Baur in the ' Geol. Mag.' decad. iii. 

 vol. vi. p. 171. Made in the Museum. 1888. 



Genus RHAMPHORHYNCHUS (supra, i. p. 29). 

 Rhamphorhynchus gemmingi {supra, i. p. 31). 

 R. 1692. Cast of a slab of lithographic limestone, showing the bones 

 and the impression of the patagium of the left pectoral 

 limb. The original was obtained from the Lower Kime- 

 ridgian of Winterberg, near Eichstadt, Bavaria ; and is 

 preserved in the Museum at Munich. It is described and 

 figured by Zittel in the ' Palaaontographica,' vol. xxix. 

 p. 51, pi. x. By exchange, 1889. 



Rhamphorhynchus jessoni, Lydekker (n. sp.). 



A provisional species, apparently allied to R. gemmingi. The 

 cervical vertebra3 show a distinct facet on the centrum for the 



1 Proc. Roy. Soc. vol. xliii. p. 436 (1888;. 



