X Systematic Arrangement. 
CLASS PISCES — ContiniiPM. Page. 
ST7BCL A.SS SEL ACIII I — Continued. 
Order Uatoidei— C ontinued. 
ScBORDER Masticvha— C ontinued. 
Family Jlyliobatidce—Cotilinued. 
Genus Mylioltatis, Diun^ril 89 
Subgenus ilyliobatis 89 
freiuinvillei. Le Sueur 89 
Snbgenus Uolorhinus, Gill 89 
californicus. Gill 89 
asperrinius, Gilbert 2754 
goo<lei, Garraan 2755 
Genus Rhinoptera, Kuhl 90 
Subgenus Rhinoptera 90 
bonasus (Mitchill) 90 
steindachneri, Evermann (fc Jenkins 91 
Subgenus Microinesus, Gill 91 
ensenad», Rosa Smith 91 
Family Aodontidcp. 91 ; 2756 
Genus Aodon, Lac6pede 91 
hypostonius (Bancroft) 92 
Genus Ceratobatis. Boulenger 2756 
robertsii, Boulenger 2706 
Genus Manta. Bancroft 92 
birostris (Walbaum) 92 
SUBCLASS HOLOCEPHALI 9:t 
Order Chdi.eroidei ^ 93 
Family Chimeeridee 93 
Genus Chiraa-ra. Linn<eus 94 
monstrosa, Linn.-eus 94 
aflinis, Capello 95 
Genus Hydrolagus, Gill 95 
colliei (Lay Jc Bennett) ’. 95 
Genus Ilarriotta, Goode Bean 96 
raleigbana, Goo<le «fc Bean 96 
SUBCLASS TELEOS I OMI 97 
Series Ganoidei lOo 
Chondroganoidea loO 
Order Selachostomi 100 
Family Folyodontidce 101 
Genus Polyodon, Lac6pede 101 
spathula (Walbaum) 101 
Order Choxdrostei lo2 
Family Acipenteridee 102 
Genus Acipenser, Linmeus 103 
transmontanus, Richardson 104 
medirostris, Ayres 104 
- sturio. Linna-us 105 
rubicundus, Le Sueur 106 
brevirostrum, Le Sueur lo6 
Genus Scaphirbynebus, Ueckel 107 
idatorynchus (Rafinesque) 107 
Holostei 107 
Order Ehombogaxoidea 108 
Family Lepi$o$tridce 108 
Genus Lepisosteus, Lacepede 109 
Snbgenus Lepisostens 109 
ossens (Linnaus) 109 
