— 18 
elevata perforatae. Spinae graciles rotundae rigidae. Spec. typ. Paradio- 
don hystrix Blkr = Diodon hystrix L. 
Tricho diodon Blkr. i 
Nares utroque latere foraminiformes in papilla elevata perforatae. Spi- 
nae gracillimae setiformes flexiles. Spec. typ. Trichodiodon pilosus Blkr = 
Diodon pilosus Mitch. 
Subfamilia IT. Tetraodontiformes. 
Maxillae linea mediana divisae. Lamina dentalis ore interno utraque 
maxilla rudimentaria vel nulla. Spinae corpore osseae elongatae nullae. 
C. 1/8/2. B. 5. 
Phalanx \. Tetraodohtini. 
Dorsum rotundatum non carinatum. Caput obtusum rostro brevi. Na- 
res valde conspicuae foraminiformes, infundibuliformes vel tentaculiformes. 
Tetraooon 'L. — Lagocephalus Swns. = Physogaster, Gastrophysus et 
Cheilichthys J. Müll. = Stenometopus, Promecocephalus, Am- 
blyrhynchotus, Geneion, Cataphorhynchus et Batrachops Bibr. = 
Anchisomus Kp ex parte — Brachycephalus et Apsicephalus Holi, 
ex parte — Uranostoma et Pleuranacanthus Mus. Paris. 
Nares utroque latere foraminiformes in papilla concava plus minusve 
elevata perforatae. Corpus ex parte spinulosum vel totum laeve. Pinnae 
dorsalis et analis breves. Spec: typ. Tetraodon testudineus L. (nec Bl.). 
Crayracion Klein Cirrhosomus Swns. = Arothron J. Müll. = Epi- 
pedorhynchus, Dichotomycterus et Dilobomvcterus Bibr. = Bra- 
chycephalus et Apsicephalus Holi, ex parte. 
Nares utroque latere tentaculum simplex vel duplex vel apice tantum 
bifidum imperforatum efficientes., Corpus ubique vel superne et inferne 
spinulosum. Pinnae dorsalis et analis breves. Spec. typ. Crayracion lae- 
vissimus Klein. 
Leiodon Swns. — Leisomus Swns. — Chelonodon J. Müll. = Apha- 
nacanthus, Tetrodon et Monotretus Bibr. 
Nares utroque latere infundibuliformes imperforatae. Corpus superne 
et inferne spinulosum vel laeve. Linea lateralis simplex. Pinnae dorsalis 
et analis breves. Spec. typ. Leiodon paioca Blkr = Tetraodon patoca 
Ham. Buch. 
