History of British animals - University of Guam Marine Laboratory

Murex. MOLLUSCA. MURICIDyE. 3554. P. acuminata Turrited, acuminated, longitudinally ribbed, transverseiystriated; whorls above, concave, edge fimbriated ; below, sulcato-striated ;aperture elongated, canaliculated, one-third the length of the shell ; beakbroad.—Sower. Min. Conch, t. cxlvi. f. 4.—London Clay.5. P. comma.—Turrited, beaked with acute transverse rising lines; whorlssmooth in the middle, with many short curved costse; aperture ovate, canaliculated;beak slightly curved.— Sower. Min. Conch, t. cxlvi. f. 5—LondonClay.6. P. semicolon.—Turrited, elongated, striated, with many curved costse ;whorls swelled with a granulated margin, base conical, decussated ; apertureovate, beaked. — Sower. Min. Conch, t. cxlvi. f. 6. — London Clay.7- P. colon Fusiform, striated ; whorls concave above, with a crenulatedmargin below, with many rugged transverse ridges and small short longitudinalundulations ;base conical, aperture elongated—Sower. Min. Conch.t. cxlvi. f. T, 8 London Clay.8. P. priscus.— Fusiform, turrited, smooth ; base transversely sulcated ;margins of the whorls striated ; lip wing-shaped. (Murex priscus, Brander,f. 25, 44.)— Sower. Min. Conch, t. ccclxxxvi—London Clay.9. P. fusiformis.—Fusiform, elongated, rough, with deep transverse stria;,and obscure longitudinalcostse ; whorls subcarinated, with a striated bandupon their upper parts; aperture lanceolate.— Soiver. Min. Conch, t. ccclxxxvii.f. 1—London Clay.10. P. brevirostrum Turrited, acute, costated, transversely striated ; apertureobovate, with a defined beak of ecmal length ; whorls ventricose.— Sower.Min. Conch, t. ccclxxxvii. f. 2—London Clay.11. P. Imvigata Turrited, nearly smooth ;spire subcostated ; whorls ventricose,concave above ; aperture elongated beak produced.— Sower. Min.;Conch, t. ccclxxxvii. f. 3.— London Clay.Gen. MUREX.— Oval, aperture suborbicular, canal produced; ribs tubercular or spinose,three or more united obliquelyon different whorls.1. M. asper Ovate, oblong, transversely striated; sutures in three rows,foliaceous, dentated, bearing one spine upon the upper part of each ; apertureobovate ; canal recurved "-(Brander, f. 77, 78, 79-)—M tricarinatus, Sower.Min. Conch, t. ccccxvi. f. t—London Clay.2. M. bispinosus Ovate, elongated, with three rows of foliaceous suturesand two or three transverse ridges ; sutures — simple, bearing two concavespines to each whorl ;canal nearly straight. Sower. Min. Conch, t. ccccxvi.£ 2 London Clay.8. M. frondosus — Ovate, oblong; sutures in eight or nine rows, subspinose,deeply plaited ; transverse ridges numerous, rough ; aperture obovate ;canal straight.— Soiver. Min. Conch, t. ccccxvi. f. 3.— London Clay.4. M. calcar.— Ovato-acuminated, transversely striated, costated ; last whorlbicarinated ; each suture supports two or three long sharp spines ; apertureround, with a long canal Sower. Min. Conch, t. ccccx. £ 2.— Green Sand.5. M. tortuosus— Turrited, subfusiform, largely cancellated ; varices inthree tortuous rows, with two or three knobs between each ; whorls ventricose; beak contracted.— Sower. Min. Conch, t. ccccxxxiv. f. 2—In Crag ?7.9