PARKER: OPTIC CHIASMA IN TELEOSTS. Zon 
represented each by both dextral and sinistral individuals and their 
consideration will be reserved till later. The conditions found in the 
remaining twenty-five, each of which was represented by specimens 
either exclusively dextral or sinistral, are recorded in Table III. 
TABLE III. 
Famity PLEURONECTIDAE (FLOUNDERS). _ Sinistral _ Dextral 
E individuals. individuals. 
Subfamily Hippoglossinae (Halibuts). 
Species dextral or sinistral. 
1 Atheresthes stomias (Jordan and Gilbert). San 
Francisco Markets . Ee ae 
1 Kopsetta jordani (Lockington). San Francisco 
Markets . : : 
2 Hippoglossoides hliasaides (Fabrics) Salem, 
Mass. . 
1 Psettichthys telandstietua Girard, ein ian. 
cisco Markets . 
2Paralichthys brasiliensis (Ranzoni. ' Callao, 
Peru .; 
1 Paralichthys donentie uinnenee: Wronds Hole, 
Mass. 
1 Paralichthys sibieraitiate Joraaa wad Gilbert. 
Anclote, Fla. 
Subfamily Pleuronectinae (Flounders). 
Species dextral. 
2 Hypsopsetta guttulata (Girard). San Diego, Cal. 
1Parophrys vetulus Girard. San Francisco 
Markets . re an en 
1 Isopsetta isolepis dudelinetonh San Francisco 
Markets . : “le Le dean 
2 Oncopterus darwini Sicindwenaee East Pata- 
gonia . 
Limanda ferruginea iStoren piereineete ie 
1Pseudopleuronectes americanus Sie eat 
Martha’s Vineyard, Mass. : 
2 Pleuronectes platessa Linnaeus. Mrikats Atsbevia: 
2 Liopsetta putnami (Gill). Salem, Mass. . 
1Glyptocephalus zachirus Lockington. San 
Francisco Markets 
