SYSTEMATIC INDEX. 



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8. pectinopterum, M'C'lell. . 188 



telchitta, Ham. Buch. . . 185 



Hara, Blyth 189 



1. aspera, M'Clell 189 



2. buchanani, Blyth 189 



3. conta, Ham. Buch 189 



Amblyceps, Blyth 190 



1. caecutiens, Blyth 190 



2. tenuispinis, Blyth 190 



3. mangois, Ham. Buch .... 190 



anisurus, M' Clell. 190 



indicus, M'Clell. 190 



Fifth Subfamily. 



SlLURID^) STENOBRANCHI^E. 



Tenth Group. Doeadina. 



72. Ageniosus, Lacep 191 



1. militaris, Bl 191 



2. sebae, Gthr 192 



3. brevifilis, C. etV. . . 192, 431 

 3a. axillaris, Gthr 431 



4. dentatus, Kner .... 192, 432 

 davalla, Schomb 191 



73. Tetraneniatichthys, Blkr. 192 

 1. quadrifilis, Kner 193 



74. Euanemus, M.etT. 193 



1. nuchalis, Spix 193 



75. Aucheuipterus, C. et V. . . 194 



1. nodosus, Bl 194 



2. thoracicus, Kner ....... 194 



3. trachycorystes, C. et V... 195 



4. obscurus, Gthr 195 



5. longimanus, Gthr 195 



6. ceratophysus, Kner .... 196 



7. maculosus, C.etV. .... 196 



8. galeatus, L 196 



9. robustus, Gthr 197 



oncina, Schomb 194 



6. Centromochlus, Kner .... 197 



1. heckelii, Filippi 197 



2. aulopygius, Kner 198 



77. Trachelyopterus, C. et V. . . 198 



1. coriaceus, C.etV. 198 



2. taeniatus, Kier 198 



78. Cetopsis, Agass 199 



1. caecutiens, Licht 199 



2. candira, Agass 199 



3. gobioides, Kner 199 



79. Asterophysus, Kner 200 



] . batrachus, Kner 200 



80. Doras, Gthr 200 



1. costatus, L 201 



2. armatulus, C.etV. 201 



3. dentatus, Kner 201 



4. hancockii, C.etV. .... 202 



5. muricus, Kner 202 



6. affinis, Kner 202 



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truncatus, Blkr 203 



7. weddellii, Casteln 203 



8. asterifrons, Heck 203 



9. heckelii, Kner 204 



10. cataphractus, L 204 



11. dorsalis, C.etV. 205 



12. lithogaster, Heck 205 



13. papilionatus, Fil 205 



crocodili, Humb 200 



castaneo-ventris, Schomb. 200 



brunnescens, Schomb 200 



81. Oxydoras, Gthr 206 



1. carinatus, L 206 



2. humeralis, Heck 206 



3. punctatus, Kner 207 



4. brevis, Heck 207 



5. finibriatus, Kner , 207 



6. stenopeltis, Heck 208 



7. lipophthalmus, Kner. . . . 208 



82. Khinodoras, Gthr 209 



1. niger, Valenc 209 



2. knerii, Blkr.- 209 



3. orbignyi, Kroyer 209 



83. Synodontis, C.etV. 210 



1. sorex, Gthr 211 



2. macrodon, Geoffr 211 



3. serratus, Riipp 212 



4. schal, Schn 212 



5. nebulosus, Pet 213 



6. omias, Gthr 213 



7. nigritus, C. et V. 214 



8. hurneratus, C.etV. 214 



9. gambiensis, Gthr 214 



10. zambesensis, Pet 214 



11. xiphias, Gthr 215 



12. membranaceus, Geoffr. . . 215 



Eleventh Gr. Rhinoglanina. 



84. Rhinoglanis, Gthr. 216 



1. typus, Gthr 216 



85. Mochocus, Joa7inis 217 



1. niloticus, Joannis 217 



86. Callomystax, Gthr 218 



1. gagata, Ham. Buch 218 



Twelfth Gr. Malaptebuhina, 



87. Malapterurus, Lacep 219 



1. electricus, Gm 219 



2. beninensis, Murray .... 220 



3. affinis, Gthr 220 



Sixth Subfamily. 



SlLURIDJE PHOTEROPODES. 



13th Group. Hypostomatina. 



88. Arges, C.etV. 222 



1. sabalo, C.etV. 222 



2. brachycephalus, Gthr. . . 222 



