— 109 — 
shington und im Bremer naturbistorischen Museum, das von dem Buschs Sammlung besitzt, 
vertreten ist. 
18. Nodularia scobinata Lea, 
Taf. 10, Fig. 9-11. 
Unio scobinata Lea, Proc. Acad. Nat. Scienees Philadelphia, VIII, 1856, p. 93. — Obs. VI, 
1857. p. 19, T. 26, fig. 13. — Journ. Acad. Nat. Sciences Philadelphia, IV, 
1858, p. 299. T. 26 fig. 13. — v. Martens. Proc. Zool. Soc. London, 1860, 
p.15.— Sowerby, Conch. Icon., XVI, 1868, T. 63, fig. 313. — Morelet, 
Ser. Conch., IV, 1875, p. 354, T. 17, fig. 2—6. — Paetel, Katal. Coneh. 
Samml., III, 1890, p. 167. 
Margaron (Unio) scobinatus Lea Synopsis, 1870, p. 32. 
Unio mandarinus Morelet, Journ. de Conch., Bd. 12, 1863, p. 159. — Paetel, Katal. 
Conch. Samml. III, 1890, p. 158. 
Unio pellis-lacertae Morelet, Journ. de Conch., Bd. 13, 1865, p. 22. — Sowerby, 
Conch, Icon., XVI, 1868, T. 86, fig. 457. — Morelet, Ser. Conch., IV, 1875, 
p- 355, T. 17, fig. 5. — Paetel, Katal. Conch. Samml., III, 1890, p. 16% 
Unio venustus Morelet, Journ. de Conch., Bd. 14, 1866, p. 68. — Paetel, Katal. Conch,, 
: Samml., III, 1890, p. 171. 
Unio oblatns Lea, Synopsis, 1870, p. 64. 
Nodularia scobinata Simpson, Synopsis, 1900, p. 815. 
Unio (Nodularia) scobinatus Dautzenberg et H. Fischer, Journ. de Conch., 1905, 
Bd. 53. p. 454. — Journ. de Conch., 1908, Bd. 56, p. 216. 
Testa plicata, transversa, in medio compressa, valde inaequilaterali, postice angulata, 
ad basim emarginata ; valvulis suberassis,; natibus parvis, prominulis, ad apicem undulatis ; 
epidermide viridi et lutea, minute striata,; dentibus cardinalibus obliquis, compressis ; latera- 
libus praelongis, in utrogue valvulo duplicibus subrectisgue,; margarita alba et iridescente. 
Shell folded, transverse, compressed in the middle, very inequilateral, angular behind, 
emarginate at base; substance of the shell rather thick; beaks small, a little prominent, 
undulate at tip; folds green, beautifully arranged over the whole disk, acutely angular over 
the middle, on the umbonial slope enlarging from the beaks to the posterior margin where 
they are nearly parallel; ligament short and thin; epidermis yellow, the raised folds being 
always green, transversely and minutely striate; umbonial slope subangular; cardinal teeth 
oblique, short, crenulate, double in both valves; lateral teeth very long, double in 
both valves, enlarged at the posterior end and nearly straight; anterior cicatrices distinct; 
posterior eicatrices confluent; dorsal ceicatrices placed on the under side of the plate, posterior 
to the cardinal tooth; cavity of the shell shallow; cavity of the beek rather shallow and sub- 
angular; nacre white ane iridescent. 
