LXXII Systematic Arrangement. 
CLASS PISCES — Continued. Page. 
SUBCLASS TELEOSTOMI — Continued. 
Order Plectoqnathi — C ontinued. 
Suborder Ostracodermi 1720 
Family Ostraciidee i. 1721 
Genus Lactophrys, Swainson 1721 
Subgenus Rhinesonius, Swainson 1722 
triqueter (Linnanis) 1722 
Subgenus Chapiuus, Jordan «fc Evennann 1723 
bicaudalis (Linnanis) 1723 
Subgenus Lactophrys 1723 
trigonus (Linnaus) 1723 
Subgenus Acanthostracion, Bleeker 1724 
tricornis (Linnaus) 1724 
Suborder Gymxodonte.s 1726 
Family Tetraodontidee 1726 
Genus Lagocepbalus, Swainson 1727 
lavigatus (Linnaus) 1728 
pachycephalus (Eanzani) 1728 
Genus Spheroides, Lacepede 1729 
Subgenus Spheroides 1731 
angusticeps (Jenyns) 1731 
lobatus (Steindachner) 1731 
spengleri (Bloch) 1732 
maculatus (Bloch &, Schneider) 1733 
nephelus (Goode A Bean) 1733; 3178 
marmoratus (Ranzani) 1733 
Subgenus Cheilichthys, Muller 1734 
testudineus (Linnaus) 1734 
annulatus (Jenyns) 1735 
politus (Girard) 1736 
formosus (Gunther) 1736 
furthi (Steindachner) 1737 
trichocephalus (Cope) 1737 
pachygaster (Muller A Troschel) 1738 
Genus Ovoides, Lacepede 1738 
erethizon (Jordan A Gilbert) 1739 
setosus (Rosa Smith) 1739 
Genus Colomesus, Gill 1740 
psittacus (Bloch A Schneider) 1740 
Family Canthigasteridee 1740 
Genus Canthigaster, Swainson 1741 
punctatissimus (Gunther) 1741 
rostratus (Bloch) 1741 
Family Diodontidee 1742 
Genus Trichodiodon, Bleeker 1743 
pilosus (Mitchill) 1743 
Genus Diodon, Linnaus 1744 
hystrix, Linnaus 1745 
holacanthus, Linnaus 1746 
niaculifer, Kaup 1747 
Genus Chiloniycterus, Bibron 1747 
Subgenus Cyclichthys, Kaup 1748 
schapti (Walbauiu) 1748 
spinosus, Linna-us 1749 
antillarum, Jordan A Rutter 1749 
antennatus (Cuvier) 1750 
Subgenus Chiloniycterus 1750 
atinga (Linnaus) 1750 
californiensis. Eigenmaiui 1751 
