. The Australian zoologist. Zoology; Zoology; Zoology. 122 THE LORICATES OF THE NEOZELANIC REGION. very narrow, deep sinus. Anterior valve having eight, centra! valves one slit, teeth long, slightly striated and slightly thickened at the edges of the slits outside. Sinus narrow, short. Sutural laminae continuous over the an- terior false apex. Girdle tough, black, leathery, hardly sinuated behind, smooth, with a few bristles at the sutures and around the margin. Length 60, breadth 40 mm., divergence 110°. New ; Pilsbry then relegated Plaxifora campbelli Filhol, to the list of in-
. The Australian zoologist. Zoology; Zoology; Zoology. 122 THE LORICATES OF THE NEOZELANIC REGION. very narrow, deep sinus. Anterior valve having eight, centra! valves one slit, teeth long, slightly striated and slightly thickened at the edges of the slits outside. Sinus narrow, short. Sutural laminae continuous over the an- terior false apex. Girdle tough, black, leathery, hardly sinuated behind, smooth, with a few bristles at the sutures and around the margin. Length 60, breadth 40 mm., divergence 110°. New ; Pilsbry then relegated Plaxifora campbelli Filhol, to the list of in- sufficiently described Chitons, overlooking Filhol's extended and accurate description, published a little later than the brief diagnosis above quoted. Under the same heading he translated the description of Chiton rari- pilosus Blainville, as follows: "Body oval, thick, convex, not carinated; girdle moderate, beset with large black flexible hairs, a little more numer- ous around the periphery. Shell of 8 thick valves, a little carinated; the two end valves a little smaller, the anterior semicircular, with 9 large teeth of insertion, the posterior transversely oval, with the insertion-plate en- tire, winged anteriorly; intermediate valves alike, having a rounded pro- jection in the middle of the anterior border: the plate of insertion some- what winged, with a single deep slit on each side. Colour, brown on the girdle, the valves russet white outside and within. Length more than 3 inches. Habitat unknown. (Coll. Blainv. from Dr. Leach). Seems to be a Plaxiphora. Rochebrune has identified it with Chiton setiger King (Polyplac, Cape Horn, 1889)." When Suter four years later reviewed the Neozelanic Loricates he ad- mitted P. superba from Pilsbry's description, and then fully described Plaxiphora subatrata. following up Pilsbry's indication of his Tonicia subatrata. thus: "Shell large, oval, moderately elevated; side slopes slightly arched; ridge rounded. Colour red
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