APPENDIX C. 
233 
caudal) ; it is very higli in adult examples. Anal fin mucli higher 
than long. Caudal suhtruneated. Brownish; fins with rounded 
dark spots. 
Synodontis. (Schal.) 
Body scaleless. Adipose fin of moderate length, or rather long ; 
dorsal with a strong spine and with seven soft rays ; anal rather 
short. Teeth in the lower jaw movable, very thin at the base, and 
with a slightly dilated, pointed brown apex ; palate edentulous. 
Mouth small, mandibles short. Barbels six, more or less fringed 
with a membrane or with filaments. Eyes of moderate size. Neck 
with broad dermal bones. The gill-openings are of moderate width. 
Ventrals with seven rays, inserted behind the dorsal. 
These fishes ean easily inflict wounds with their strong serrated 
peetoral spines, which are said to be poisonous. Hasselquist states 
that he has been eye-witness of sueh a wound proving fatal. 
Synodontis soreoo, Gthr. (Plate I., Fig. B.) 
D. 1/7. A. 12. P. 1/9. V. 7. 
The gill-opening extends downwards to or before the root of the 
pectoral fin ; snout produced, pointed ; mandibulary teeth very long 
and slender, as long as the eye, from six to eight in number. Maxil- 
lary barbels half as long as the head, lined interiorly with a narrow 
