SUPPLEMENT.— LOPADOOERAS. cxi 



SubalticarinaU 



The carina stands out more prominently than in the genera of the distincti- 

 carinate division. 



Falcate. 

 XLIV. Genus— Hugia, 1 8. Buehman. 



(Type: Hugia curva, sp. n.) 



Definition. — Platyleptogyral, angustumbilicate ; subbrevi-subangustilobate ; 

 laterally flexiradiate ; peripherally subacutanguliradiate, tabulate, subalticari- 

 nate. (Radial line, fig. 71, p. clxv.) 



Distinction. — Like Beynesella, but more strongly carinate and less umbilicate. 



1. Hugia curva, 8. Buehman. Suppl., Plate XVIII, figs. 19— 21a (Type); Suppl., 



Plate XXI, figs. 25—27. 



Description. — Parvicostate, connaticostate, but the connate portion of the costae 

 not prominent. 



Locality and Stratum. — -Dorset: Bradford Abbas, Fossil Bed, upper part. 

 Date of Existence. — Discitae hemera. 



2. Hugia micoa, 8. Buehman. Suppl., Plate XXI, figs. 28—30. 



Description. — Obscuricostate, passing towards levigate. 

 Distinction. — From H. curat, decline of ornament. 

 Locality and Stratum. — Dorset: Bradford Abbas, Fossil Bed. 

 Date of Existence. — Viscitx hemera. 



Biarciradiate ; subspissicostate. 



XLV. Genus — Lopadoceras, 2 S. Buehman. 



(Type: Lopadoceras arcuatum, sp. n.) 



Definition. — Platyleptogyral subangustumbilicate ; laterally arciradiate ; peri- 

 pherally sublatanguliradiate, penetabulate, subalticarinate. (Radial line, fig. 72, 

 p. clxv.) 



1 In compliment to Dr. Otto Hug. - Aon-ns, a flat dish. 



