. Synopsis of the fishes of North America [microform]. Fishes; Poissons. ai. TRYGONID^ DASYATI8. 47 with half spots of paler. Tail with four dark blotches above, forming half rings. (Caudal spine wanting in all the specimens examined.) Vir- ginia to Brazil; not uncommon. {Ilaia maclura Le Sueur, Journ. Ac. Nat. Sci. Phila. 1817, 41; Duui^ril, Hist. Nat. Poiss. i, 614; Giluther, viii, 487.) , ' 60. P- niarmok'ata Cooper. Disk about twice as broad as long, covered with perfectly smooth skin. Tail 3f in length of disk, with a rather small cutaneous fold above and below, the lower fold the longer,
. Synopsis of the fishes of North America [microform]. Fishes; Poissons. ai. TRYGONID^ DASYATI8. 47 with half spots of paler. Tail with four dark blotches above, forming half rings. (Caudal spine wanting in all the specimens examined.) Vir- ginia to Brazil; not uncommon. {Ilaia maclura Le Sueur, Journ. Ac. Nat. Sci. Phila. 1817, 41; Duui^ril, Hist. Nat. Poiss. i, 614; Giluther, viii, 487.) , ' 60. P- niarmok'ata Cooper. Disk about twice as broad as long, covered with perfectly smooth skin. Tail 3f in length of disk, with a rather small cutaneous fold above and below, the lower fold the longer, the upper about as deep. Interor- bital space a little shorter than the snout. Snout slightly prominent, but forming a very obtuse angle. Olive-brown, finely mottled every- where with darker, the dark forming rciiculations around pale roundish spots. Toil without dark rings. Caudal spine much smaller than in other sting rays ; present in all specimens examined. Coast of Califor- nia from Point Concepcion southward; common. (Cooper, Proc. Cal. Ac. Nat. Sci. iii, 112.) 40.âDASYATIS Ratiuesque. â . * â ^ Sting Bays. (TryffQii Aiianson.) (Ratinesque, Caratteri di Alcuni Nuovi Geu. 1810,16: type Dasyatis ujus Raliue8que = Rata pastitiaca Linuicus.) Disk oval, flat, with rounded angles. Tail very long and slender, whip-like, without tin, but often with one or two vertical membranace- ous folds. A strong serrated spine toward the base of the tail. Skin more or less spinous or prickly, rarely smooth. Teeth small, i)aved. A few ])apilla; usually i)resent in the mouth behind the lower jaw. Sting rays of large size, abundant in warm seas. Many of the spinous species are nearly or quite smooth when young, {ihtrrn-, shaggy or rough; /3«t£'c, a skate; hence properly i>as?y/M/i.'?.) ;⢠vr' * UpiMT candul fold obsolete; lower well dovdopod. {Ilcmitriffion MUUcr «fc Hculoi.) <il. D. cciltruil'll$i(MitcIiill) Jordan »feGilbert.âCommon Utiiifj Jiay ; Clam Cravkir; Stinga
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectfishes, bookyear1882
