112 Mr. G. A. Boulenger on a 
8. B. [| Reptescharipora] convera (dOrbigny), Pal. Franc. 
1852, pl. 720. figs. 1-3, 1853, p. 492 ; Senonian | Cam- 
panian |; Meudon, France. 
OF 2b. nyla, sp. 1. 
Type-specimen. British Museum, D. 11852; Maastrich- 
tian ; Maastricht. 
10. B. [Cellepora] ornata (Goldfuss), 1826, Petr. Germ. 
vol. i. p. 26, pl. ix. fig. 1; Maastrichtian ; Maastricht. 
VIL. Pacuypera, Marsson, 1887, Pal. Abh. vol. iv. 
Heft 1, p..00. 
Genotype. P. grandis. 
Tabular Diagnoses of the Species. 
A. Secondary aperture, though well formed, hardly 
tubular; coste 8-10, with about 3 lateral 
TUSTODS 2820 Mele opie ele © es Gkolondie ee eee ‘oie dee GPanans: 
B. Secondary aperture distinctly tubular ; coste 6, 
wath or lateral gusions ere meni eels 2. P. densa. 
1. P. grandis, Marsson, 1887, Pal. Abh. vol. iv. Heft 1, 
p- 100, pl. x. fig. 14; mucronatus-zone; Rigen, Germany. 
2. P. densa, sp. n. 
Type-specimen. British Museum, D. 28210; Danian ; 
Faxe, Denmark. 
['To be continued. | 
XIII.—Description of a new Genus of the Family Lacertide 
from Central Africa. By G. A. Boutencer, F.R.S. 
(Published by permission of the Trustees of the British Museum.) 
BEDRIAGAIA. 
Head-shields normal. Nostril pierced between the nasal, 
a postnasal, and the first upper labial. Lower eyelid scaly. 
Collar well marked. Dorsal scales large, rhombic, imbri- 
cate, and keeled ; ventral plates obtusely pointed, imbricate, 
and keeled. Digits compressed, with smooth scales infe- 
riorly. Femoral pores. Tail long, cylindrical. 
