2:'0 FISHES, LIVING AND FOSSIL 



Psammodiis, {l/afXfjLo<;, sand, oSovs, tooth (ed). 

 Psephurus, ij/rjcf^o'i, a little stone, ovpd, tail. 



Pseudopleuronectes, i/'cSSos, false, irXevpov, side, vrjKT-q^, swimmer. 

 Pterichthys, irripv^, fin or wing, t'x^us, fish. 



Raja, classic name of skate. 



Rhabdolepis, pdf3So<s, nail, AeVis, scale (d). 



Rhina, pivr], a rasp. 



Rhinobatus, ptVa, Rhina, ySaris, skate. 



Rhynchodus, pvyxo'i, snout, oSovs, tooth (ed). 



Scaphirhynchus, (XKacjjLOv, shovel, pvyxo^, snout. 

 Scomberomorus, (TK6ix[ipo<i, mackerel, fxopLov, part. 

 Scyllium, (tkvXiov, classic name of this shark. 

 Selachii, acXdxr], shark. 



Semionotus, c7r;/xetoi/, a standard, i/wros, back. 

 Silurus, classic name offish. 

 Siphostoma, aicfaov, tube, o-ro/xa, mouth. 

 Sirenoidei, siren, salamander, ot8os, like. 

 Squaloraja, squahcs, shark, raja, skate. 

 Squalus, classic name of a shark. 

 Squatina, a classic name of a sea-fish. 



Teleocephali, reAeo?, entirely, oo-reoi/, bone, KC^aXiy, head. 



Teleost, re'Aeos, entirely, oo-rew, bone. 



Teleostomi, reAeo?, entirely, ocrreov, bone, aropxi, mouth. 



Titanichthys, titan, giant, l\Ov<i, fish. 



Torpedo, classic name (from the root of Torpor, stupefy) . 



Trachosteus, rpa.xy'i, rough, ocrreoi/, bone. 



Trygon, rpi^ywv, the thorny ray. 



Urogymnus, ovpd, tail, yu/xi/o?, naked. 



Xenacanthus, ^eVos? strange, aKavOa, spine. 



