88 



MEMOIRS OF THE CARNEGIE MUSEUM 



Species and Number of Specimens from a Trench in the Botanic 



Garden. 

 It would seem from this list that the bulk of the fauna is composed of seven 

 out of the twenty-three species. 



SlLURID.E. 



Rhamdia sebse 



Pimelodus clarias .... 



Callichthyid^e. 



Hoplosternum littorale 2 



Hoplosternum thoracatum 1 



Loricariid^e. 



5. Plecostomus hemiurus 1 



6. Loricariichthys brunneus 1 



CHARACIDiE. 



7. Curimatopsis macrolepis 1 



8. Curimatus schomburgki 3 



9. Pristella riddlei 233 62 



10. Hemigrammus rodwayi 112 



11. Pcecilurichthys bimaculatus 122 



12. Ctenobrycon .spilurus about 800 



13. Charax gibbosus 630 



14. Acestrorhynchus microlepis 6 



15. Hoplias malabaricus 6 



GYMNOTID.E. 



1 6. Gymnotus carapo 1 



17. Sternopygus macrurus 104 



18. Eigenmannia lincata 155 



Cichlid.e. 



19. Cichlasoma bimaculatum 17 



20. Mesonauta festivum 12 



21. Geophagus jurupari 1 



22. Crenicichla saxatilis 3 



POLYCENTRTD.E. 



23. Polycentrus schomburgki 39 



Species and Number of Specimens from a Small Brook on Gluck 



Island. 



Characid,e. 



Aspredinid^e. 



1. Bunocephalus chamaizelus 6 



2. Agmus lyriformis 1 



SILURID.E. 



3. Rhamdia sebse 14 



4. Doras costatus '4 



5. Doras hancocki 12 



6. Doras cataphractus 20 



Callichthyid^e. 



7. Hoplosternum thoracatum 74 



Loricariid^e. 



8. Plecostomus hemiurus 1 



9. Xenocara gymnorhynchus 1 



10. Loricariichthys brunneus 24 



11. Hemiodontichthys acipenscrimis .. 1 



12. Curimatopsis macrolepis 3 



13. Curimatus spilurus 1.5 



14. Chilodus punctatus 1 



15. Hemiodus maculofasciatus 1 



16. Anisitsia notatus 2 



17. Pyrrhulina filamentosa 22 



18. Nannostomus marginatus 5 



19. Pcecilobrycon trifasciatus 8 



20. Pcecilobrycon erythrurus 4 



21. Pcecilobrycon ocellatus 9 



22. Characidium pcUucidum 2 



23. Lcporinus nigrotamiatus 2 



24. Iguanodectes tenuis 4 



25. Mcenkhausia lepidurus 8 



26. Moenkhausia colletti 12 



62 From the Georgetown trenches only eight specimens were taken. 



