DERIVATION OF NAMES 229 
_Leemargus, classic name of a shark. 
___Lagocephalus, Aayds, rabbit, xepadrj, head. 
____Lamna, Adyva, classic name for a shark. 
___ Lepidosiren, Aeris, scale(d), siren, salamander. 
____ Lepidosteus, Aemis, scale, daréov, bone. 
____ Leptolepis, Aerrds, smooth or delicate, Aemis, scale(d). 
~ Lophobranchii, Aéqos, tuft, Bpdyxvor, gill ed). 
_ Marsipobranchii, papofmov, pouch, Bpayyxua, gills. 
'  Megalurus, péyas, large, oipd, tail(ed). 
 Microdon, pixpos, small, d3ovs, tooth(ed). 
Mormyrus, classic name of a (sea) fish (— from poppvpw, I murmur). 
Myliobatis, pvAias, pavement (toothed), Baris, skate. 
Mylostoma, pvAos, mill(like), oropua, mouth. - 
_ Myriacanthus, pvpeds, ten thousand, dxavOa, spine. 
* Myxine, pv€ivos, slimy-fish. 
‘Onychodus, dvvé, claw; d8ovs, tooth(ed). 
Ophidium, é¢éd.ov, a snake. 
Osteolepis, daréov, bone, Aeris, scale(d). 
Ostracoderm, éorpaxtov, shell, dépya, skin. 
Palzaspis, maAatds, ancient, domis, shield. 
Palzoniscus, waAatds, ancient, dvicKos, a sea-fish. 
Palzospondylus, maXatos, ancient, oxdvdvdos, vertebra. 
Parexus,? wapéxw, have as one’s own (referring to the peculiar nature 
of the fish?). 
_ Perca, classic name of fish. 
- Petromyzon, mérpos, stone, pufdw, to suck. 
_-Phaneropleuron, avepds, well marked, wAevpd, side (fins) or ribs(?). 
Pisces, fishes. 
__ Plagiostomi, Adytos, transverse, ordua, mouth. 
: ‘Plectognathi, wAexrds, twisted, yvdOos, jaw. 
- Pleuropterygii, mhevpd, side, arépvé, fin(ned). 
_ Pogonias, rwywvias, bearded. 
~ Polyodon, modus, many, ddwv, tooth(ed). 
 Polypterus, modws, many, arepov, fin(ned). 
_ Prionotus, Tpiwy, saw, v@tos, back. 
, Pristiophorus, mpioris, a saw, popew, to carry. 
__ Pristis, mploris, a saw-fish. 
_ Protopterus, zparos, ancient, rrepdy, fin(ned). 
