98 Mr. W. D. Lang—Revision of the 
1 Puyo, sp. 1. 
Type-specimen. British Museum, D. 14974; mucronatus- 
zone; Riigen. 
2. P. [ Ubaghsia| arcifera (Jullien), 1886, Bull. Soc. Zool. 
France, vol. xi. p. 618, pl. xx. figs. 2-4; Campanian ; 
Meudon. 
VI. HespPrropora, gen. nov. 
Genotype. H. occidentalis. 
Tabular Diagnoses of the Species. 
A. Cicia nearly as broad as long; secondary aper- 
ture not so well-formed and subcircular. 
I. Costze about 12; an occasional avicularium .. 1. ? A. walfordi. 
HM WostataboutlGiee ccs. cect cise ee ee oe 2. H., occidentalis. 
B. Ckcia nearly twice as long as broad; secondary 
aperture more tubular and subtriangular ; cost 
COS a hats Se toy oD ore saab uaa oenotan 3. H. danica. 
1. ? H. [Cribrilina] walfordi (Pergens), 1894, Bull. Sce. 
Belg. Géol. Pal. Hyd. vol. vii. Mémoirs, p. 187, pl. xi. 
fig. 6 ; Maastrichtian ; Fauquemont. 
2. H. occidentalis, sp. nu. 
Type-specimen. British Museum, D. 19233; Danian; 
New Jersey. 
3. H. danica, sp. n. 
Type-specimen. British Museum, D. 28304; Danian ; 
Faxe, Denmark. 
VII. Sricnocapos, Marsson. 
Genotype. S. verruculosus. 
Tabular Diagnoses of the Species. 
A. Coste 12-14, with 4-5 lateral fusions ; length 
SDGWE SAUNT. © 550.5 eine Gow eee niay eee 1. S. méenensis. 
B. Coste about 12, with 3 lateral fusions ; length 
OSU ATOM si eteie, ce sincicllaveleiuclucrerel waa acto een tiene 2. S. ordinatus. 
C. Coste about 9, with 3-4 lateral fusions; 
leneth‘about “6 mm." < oc bc. se ee eee 3. S. compositus. 
D. Coste 6-7, with 2 lateral fusions; length 
about) -Gfmims) 5 s/o + Sauna eit 4, S. verruculosus. 
