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Show 418 MR. G. F. ANGAS ON N E W S H E L L S . [May 6, white towards the base, and faintly rayed with darker chestnut, the rays forming a sort of band anteriorly, which ceases somewhat abruptly towards the white margin, whilst at the umbones the chestnut rays take the form of zigzag markings ; valves sculptured with very minute close-set radiating striae, crossed by fine, irregular, somewhat laminate striae, and towards the middle of the valves by concentric waving impressed lines that give the shell a somewhat wrinkled appearance ; umbones central, tumid, a little incurved anteriorly ; cardinal area narrow ; interior of valves white ; margins strongly crenate. Long. 18, alt. 18, lat. 11 lin. Hab. New Caledonia. Coll. Hanley. 3. AxiNiEA HANLEYI, n. sp. (Plate XXXV. fig. 3.) Shell solid, triangularly ovate, angled and compressed anteriorly, ventricose ; pale orange, darker at the sides and towards the base, very beautifully painted with small, irregular, triangular chestnut lines that pass into confused descending rays towards the base, and with larger triangular white spots here and there, especially near the anterior margin, where they form a kind of broken white band descending from the umbones, and marked with two or three zigzag dark purple lines; valves sculptured with fine, regular, close-set, descending raised striae, more distant towards the anterior area, and crossed by minute concentric ridges; umbones very tumid ; cardinal area short and deep; interior of the valves white, spotted with dark purple anteriorly ; margins strongly crenate. Long. 14, alt. 15, lat. 10 lin. Hab. Unknown. Coll. Hanley. 4. AXIN^EA MODESTA, n. sp. (Plate XXXV. fig. 4.) Shell solid, somewhat obliquely ovate convex, slightly subangulate anteriorly, equivalve; whitish, faintly marked with numerous indistinct pale-brown angular lines, with here and there a very few descending straight chestnut markings towards the base anteriorly ; valves sculptured with fine close-set elevated striae, less numerous towards the umbones, and crossed with a few very minute concentric striae, and with strongly marked lines of growth that have a frilled appearance towards the ventral margin, which is clothed with a short brief epidermis ; cardinal area small; umbones incurved anteriorly, brown, tinged with livid blue ; interior of valves pale yellow, with a dark purple stain in front; margins crenate. Long. 8|, alt. 9, lat. 5 lin. Hab. Australia. Coll. Hanley. 5. AXIN^A BELLA, n. sp. (Plate XXXV. fig. 5.) Shell moderately solid, suborbicular, a little convex, subequilateral, equivalve; white, with pale yellowish brown arrow-shaped markings towards the centre of the valves, and with longitudinal patches and splashes of dark purplish brown, larger and more numerous towards the base; valves sculptured throughout with fine close-set raised striae which are crossed by very delicate thread-like concentric lines; cardinal area small and narrow; umbones nearly approximate livid |