CLASS IV.— PISCES. 
xliii 
ORDER IV.— Malacopterygii Apodes ( continued ) . 
Family. 
Genus . Subgenus. Example of Species. 
II. Saccopharynx, Mitch s. flagellum, Mitch. 
III. Gymno- ( L G pr0p * } G. electricus, L. Electric eel 
tus, L. . j^2. Sternarchus, Seim. . . G. albifrons, Pall. 
IV. Gymnarchus, Cuv * . *G. Niloticus, Cuv. 
V. Leptocephalus, Penn L. Morisii, Gmel. 
VT n V/V II- Ophidium, prop O. barbatum, Bl. 
VI. upniai- I 2 Fierasfer O. imberbe, Lin. 
um, L, . ^3. Ammodytes, L O. tobianus, L. Sand eel 
SERIES I. — OSSEI. 
ORDER V.-— Lofhobranchii. 
Gills in tufts ; operculum fixed by a membrane which only affords 
a small aperture for the escape of the water. There are two genera. 
Genus. Subgenus. Example of Species. 
{ ]. Syngnathus, prop. . . S. acus, L. Sea adder 
2. Hippocampus, Cuv. . H. brevirostris, Cuv. 
3. Solenostomus, Zacep.Fistularia paradoxa, Pall. 
II. Pegasus, P. draco, L. Sea dragon 
SERIES I.— OSSEI. 
ORDER VI.- — Plectognathi. 
Maxillary fixed to the intermaxillary bones, and the palatal to 
the cranium. Opercula covered in. 
Family. Genus. Subgenus. Example of Species. 
o ^ f I. Diodon, L . D. atinga, Bl. Globe-fish 
| w J II. Tetraodon, L T. lineatus, L. 
^ U J III. Orthogariscus, Schn O. spinosus, Bl. Sun-fish 
§ I IV. Triodon . . . . T. bursarius, Reinw. 
! 1. Balistes, prop ,B. capriscus, L. Sea-hag 
2. Monocanthus, Cuv.*- B. tomentosus, L. 
3. Aluterus, Cuv. . . . . . B. monoceros, L. 
4. Triacanthus, C».d B -J > r UleatUS ’ BL LmS ' fi ' e ~ 
t fish 
II. Ostracion, L. ............. .0 . bicaudalis, Bl, 
