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nites) Desh. — V. dextra rarissime libera, plerumque Cyprinae
1. Oculi nae adnala. Sinus non nisi deformitate clausus,
profundas, angustus, margine pectinatus. Boh. — Bergen.
232. P. 8eptemradiatus Muell., (Ostrea) Gm., = P. triradiatus
Muell. = P. danicus Ciiem*., Sow., = P. pseudamusium Chkmr.
(sub 0. hybrida Gm. subsumta;, = P. adspersus Lamk., Destt. =
P. nebulosus Baowit. — Siriae jam tenuissimas, jam notabiles;
plica» 5—10, saepius 7—8, rotundatae I. aculae; sinus parum
profundus, vix acutus. Kullen — Bergen.
233. P. tigrinus Muell., Dssh. = P. parvus DaC. = P. obsoletus
Pbhm., Angl. = Cbemn. XI f. 2031—2036. — T. convexa,
al-tior quam longa, solidula; plicx 3, 5 obsoletae, costellae
numerosae, supra medium rarissime distinguendae; sculptura e striis
subtilissimis arcuatim di vergent ibus, undulatis, gyrosis; auriculas
posteriores anticis dimidio breviores; margo cardinalis dimid. t.
longitud. vix »quons; ’jf, j};} mm. Boh. — Finm.
234. P. furtivus n., an = 0. laevis Mont., Mat. et Rack.? (non
Pesn.) — T. parum convexa, tenuis, aeque alta ac longa; plicae
nullae, costellae nullae nisi ad latera, ubi interdum 5,6 lineares,
squamosae; sculptura qualis in priore subtilissima e striis
sub-diebotomis, flexuosis, moniliformihus; auricula posterior dimidia
antica nonnihil lotTgior; margo cardinalis dimidiam longitudinem
testae superans; pictura mire variabilis; -JJ, V77.?? Mi?> 1?^ mm*
— Species pro juniore praeced. male habita, tenuior, rotundatior.
Juniores in hoc genere adultis elongatiores. Boh. — Bergen.
235. P. striatus Muell. = 0. fuci Gm., = 0. vitrea fi Gm., Cbemm.
VII, f. 637 b, c, = P. aculeatus Jefpr., Sow., = P. rimulosus
Phil. — T. inaequivalvis;, auricula posterior antica dimidia vix
brevior; radii circ. 70 squamis muricati minutis fornicatis;
mm. Kullen — Finm.
236. P. vitreus (Pallium) Crkmiv. (Ostrea) Gm., (non Risso, non Sow.)
— T. tenuissima, alba, orbicularis, tumidula, subaequ i latera,
postice plenior, rimulis linearibus interruptis subtilissime radiatim
Caelata, striis concentricis ornata capillaceis, crebre squamiferis,:
squamis minutis, fornicatis, inferne resectis; marg. card. = J,
J long. t.; auriculae posticae angustae, obtusangulae, a disco
levius distinctae, = \ I. $ anteriorum, quarum sinistra
subrectan-guta; sinus profundus acutus. Var. laevigata, squamis ad latera
solum obviis; mm. Boh. — Finm.
***) Sinus distinctus, margine muticus.
237. P. imbrifer n. — T. tenuissima, fragilis, alba, inaequivalvis,
v. sin. majore, aeque alta ac longa, subaequilatera, antice levius
producta, parum convexa, striis notata concentricis, imbricatis,
crebris, in v. d. simplicibus, in v. s. squamatis, squamis per
radios circ. 28 inaequales dispositis, vehicularibus, oblongis,
spinulis muricatis, versus margineui sensim auctis; margo cardin.
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