ClaJJis IF. 
VI & 
Ovaria parva, albida, juxta partcm infcriorem ab- 
dominis. Renes longitudinaliter fpince dorfi im- 
pofiti, fub qua Fefica acrea angulfa, longa. Lien 
irreguiaris, parvus, atro-rubicundus circa me- 
dium inteftini. 
88. SI LUR US ( Myftus) Schilbe nilotieus . 
Caput plagioplateum. Corpus cathetoplateum. 
Dorfum angulum obtufum cum capite formans Sc 
ad pinnam dorfi valde afcendens. Fertex plani- 
ufculus, fuleatus, inaequalis. Latera cap. pone 
oeulos protuberantia , convexa, carnofa. xlpex 
obtufiffimus , femicircuiaris, 
Rittus am plus, furfum fpedtans. Max ill aaquales. 
Lingua tota obtufa , cartilaginea , crafla •, palato 
adnata, glabra. Denticuli a) maxillam utramque 
replent, denflffimi, copiofiflimi, minutiiiimi , 
acutiflimi, verfus palatum reflexi, lineis ferc 
tribus 1. quatuor difpoiiti , qui ob denfitatem Sc 
copiam vix diftingui poflunt. b) Os femicircu- 
lare in palato pone maxilla: dentieulos, aliis e- 
jusderrf figurx repletum. Cirrhi in utraque 
maxilla in univerium VIII, videlicct 2 fupra 
nares, utrinque unusj 2 alii in gingivis, qui re - 
liquis funt longiores bafl conica* 4 in gula, quo- 
rum 2 longiores ad ejus latera 5 reliqui breviores 
oblique ante illos pofiti. 
Operc. Brancb. laminis 2 conftat, quorum fuperior 
mufculo tedta, margine rotundataj inferior par- 
va, margine irregulariter angulata, nuda. Mem- 
brana Brancbiofi . nuda, radiis inftrueta X, parum 
arcuatis, fucceirive brevioribus : fuperiore latiu- 
fculo, longiore, introrfum ineurvato. Bran - 
chia 4, fuperficiearcuatae > pedfinatse tubereulis 
in 
