230 FISHES, LIVING AND FOSSIL 



Psammodus, ^a/A/xos, sand, o8ovs, tooth (ed). 

 Psephurus, t/o^os, a little stone, ovpa, tail. 



Pseudopleuronectes, i/^vSos, false, TrAevpw, side, vrJKrrjs, swimmer. 

 Pterichthys, Trrepv^, fin or wing, ix^^> ^ s ^' 



Raja, classic name of skate. 



Rhabdolepis, pa/3Sos, nail, AcVis, scale (d). 



Rhina, ptvrj, a rasp. 



Rhinobatus, ptVa, Rhina, /fori's, skate. 



Rhynchodus, pvyx 0< *i sn out, oSov's, tooth (ed). 



Scaphirhynchus, <7Ka<iW, shovel, 

 Scomberomorus, (r/co/x^pos, mackerel, /u,opiov, part. 

 Scyllium, crKvAtoi/, classic name of this shark. 

 Selachii, o-eAa^ry, shark. 

 Semionotus, o-^etoj/, a standard, VWTO?, back. 

 Silurus, classic name of fish. 

 Siphostoma, (n'^on/, tube, o-ro/xa, mouth. 

 Sirenoidei, siren, salamander, oTSos, like. 

 Squaloraja, squalus, shark, r<27, skate. 

 Squalus, classic name of a shark. 

 Squatina, a classic name of a sea-fish. 



Teleocephali, reAeos, entirely, oo-re'oi/, bone, Ke<aA?j, head. 



Teleost, reAeos, entirely, oareov, bone. 



Teleostomi, re'Aeos, entirely, oo-reW, bone, oro/m, mouth. 



Titanichthys, /////, giant, IxOvs, fish. 



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



Trachosteus, rpa^'s, rough, ocrre'oi/, bone. 



Trygon, rpvywv, the thorny ray. 



Urogymnus, ovpd, tail, yv/xvos, naked. 

 Xenacanthus, eVos, strange, aKavOa, spine. 



