Systematic Arrangement. 



CLASS PISCES Continued. Page. 



SUBCLASS SELACHIl-Continued. 

 ORDER BATOIDEI Continued. 

 SUBORDER MASTICURA Continued. 

 Family Myliobatidce Continued. 



Genus Myliobatis, Dumeril 89 



Subgenus Myliobatis 89 



f reminvillei, Le Sueur 89 



Subgenus Holorhinus, Gill 89 



californicus. Gill 89 



asperrimus, Gilbert 2754 



goodei, Garman 2755 



Genus Rhinoptera, Kuhl 90 



Subgenus Rhinoptera 90 



bonasus (Mitchill) 90 



steindachneri, Evermann &, Jenkins 91 



Subgenus Micromesus, Gill 91 



ensenadae, Rosa Smith 91 



Family Aodontidw 91; 2756 



Genus Aodon, Lacepede 91 



hypostomus (Bancroft) 92 



Genus Ceratobatis, Boulenger 2756 



robertsii, Boulenger 2756 



Genus Manta, Bancroft 92 



birostris (Walbaum) 92 



SUBCLASS HOLOCEPHALI 93 



ORDER CHIM^ROIDEI 93 



Family Chimceridce 93 



Genus Chimsera. Linnteus 94 



monstrosa, Linnaeus 94 



affinis, Capello 95 



Genus Hydrolagus, Gill 95 



colliei (Lay & Bennett) 95 



Genus Harriotta, Goode & Bean 96 



raleighana, Goode & Bean 96 



SUBCLASS TELEOSrOMI 97 



Series Ganoidei 100 



Chondroganoidea 100 



ORDER SELACHOSTOMI 100 



Family Polyodontidce 101 



Genus Polj'odon, Lacepede 101 



spathula ( Walbaum) 101 



ORDER CHONDROSTEI 102 



Family Acipenseridce 102 



Genus Acipenser, Linnaeus 103 



transmontanus, Richardson 104 



medirostris, Ayres , 104 



sturio, Linnaeus 105 



rnbicundus, Le Sueur 106 



brevirostrum, Le Sueur 106 



Genus Scaphirhynchus, Heckel 107 



platorynchus (Rafinesque) 107 



Holostei 107 



ORDER RHOMBOGANOIDEA 108 



Family Lepisosteidce 108 



Genus Lepisosteus, Lacepede 109 



Subgenus Lepisosteus 109 



osseus (Linnaeus) 109 





