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History of British animals - University of Guam Marine Laboratory

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Raia. FISHES. CHONDROPT. 171Those with a subulate extremity and a broad radiated base, cover the surface<strong>of</strong> the pectorals and in front <strong>of</strong> the eyes. Those which are large, conical,curved, with a grooved base, occur, one in front <strong>of</strong> each eye, a few immediatelybehind, and a prominent row along the middle <strong>of</strong> the back and ridge<strong>of</strong> the tail. Small spines occur in the loins and on each side <strong>of</strong> the eyes.This species was first announced as <strong>British</strong> by Mr Donovan, who procureda young one in London, from the north coast. It is evidently the R. Fullonica<strong>of</strong> Fabricius, who describes the armature with his accustomed precision.The teeth, he adds, are broad at the base, elevated, pointed, and recurvedat their inner edge.** Central ridge <strong>of</strong> spines continued from the tail along theback.21. R. oxyrinchus. Sharp-nosed Ray.— Snout produced,the margins subparallel.Will. Ich. 71. Linn. Syst.i. 395. Penn. Brit. Zool. iii. 83 S, WhiteSkate, Friar Skate, May Skate, Mavis Skate Not rare.In the length <strong>of</strong> the body this species sometimes exceeds 6 feet, and weighsnearly 500 lb. The body is remarkably depressed. The skin is quite smooth,brown above, white beneath. Teeth sharp pointed, recurved, and broad atthe base. Tail short, with three rows <strong>of</strong> spines, the mesial one continued tothe head ; spines at the eyes.— 22. R. rubus. Rough Ray. Above rough, with minuteThree rows <strong>of</strong>spines.large spines on the tail.Rough [Ray and Fuller Ray, Penn. Brit. Zool. iii. 85.—Block Ich. tab.84.—Don. Brit. Fishes,— tab. xx. E, Sand Ray ; S, Hommelin.Length upwards <strong>of</strong> 3 feet. Nose short. Body, above, yellowish-brown,with dark spots ; beneath, white. Spines around "the eyes and on the snout.— The spines likewise occur on the lower surface. Ventrals with only three1rays. Teeth pointed.— 23. R. niicrocellata. Small-eyed Ray. Above, rough, withminute spines ;one row <strong>of</strong> small-hooked spines on the tail, continuingalong the dorsal ridge to the head.Mont. Wern. Mem. ii. 430.— South-west coast <strong>of</strong> England.Length 20 inches. Colour, above, brown, with pale scattered spots andlines ; below, white and smooth. Snout obtuse. Eyes very -small, a spinein front, several smaller ones behind. Teeth obtusely cuneiform, with abroad edge, that feels rough to the finger as it is withdrawn from the mouth.Were it not for the spines in the tail being in a single row, instead <strong>of</strong> threerows, a circumstance Avhich may depend on age, it might be considered as theR. punctata <strong>of</strong> Risso, Ich. p. 12.*** Middle <strong>of</strong> the back destitute qf large spines.24. R. Batis. Skate.— Skin rough. Three rows <strong>of</strong> spineson the tail ;the points <strong>of</strong> those in the lateral rows directed forwards.R. hevis, Merr. Pen. 785. Sibb. Scot. 24. Will. Ich. 69 R. Batis,Linn. Syst.i. 395. Penn. Brit. Zool. iii. 82— E, Homelyn, Guilthead; S, Blue Skate, Grey Skate, Dinnen Skate—Common.This species sometimes reaches the weight <strong>of</strong> 200 pounds. Colour, above,

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