'"'iS'Ji!'''] PROCEEDINGS OF THE NATIONAL MUSEUM. 49 



121. CHILODUS * Mliller & Troschel. 



Microdus Kiier; Cwnolropns Giiuther. 



556. C. labyrinthicus (Kuer). Amazou aud tributaries ; Orinoco. G., v. 297. 



557. C. punctatus Miiller &, Troschel. Savanua swamps of British Guiana. G., 



V. 297. 



122. HEMIODUS Miiller &, Troschel. 



558. H. uotatus (Schomburgk). Giiianas ; Rios Trombetas, Araguay, Negro, and 



Guapore. G., v, 29d. 



559. H. kappleri Giinther. Surinam. '68a, 244. 



560. H. microcephalus Giinther. Rio Capin. G., V, 298. 



561. H. aniazoiiuni Humboldt. Amazons. G., v, 298. 



I', humhohim Cuv. & Val. 



562. H. uuiniaculatus (Bloch). All rivers of British Guiana; Cnjaba. G., V, 299. 



H. crenidcns Miiller. 



563. H. gracilis Giiuther. Rio Cupai ; Rio San Francisco. G., v, 299. 



564. H. semitaeniatus Kner. Rio Guapore. G., v, 299. 



565. H. inimaculatus Kner. Barra do Rio Negro; Orinoco. G., V, 300. 



566. H. longiceps Kuer. Rio I^anuo ; Rio Capin. G., V, 300. 



567. H. microlepis Kuer. Rio Guapore; Barra do Rio Negro ; Peruvian Amazon. 



123. SACCODON Kuer. 



568. S. wagneri Kner & Steiud. Ecuador. G., v, 301. 



569. S. cranioceplialum Thomiuot. Rio Guayaquil. T. '82, 248. 



124. PARODON Cuvier & Valeuciennes. 



570. P. suborbitalis Cuv. & Val. Maracaibo; Amazou; Rio das Velhas. G.,v, 301. 



1'. nasiis Kuer. P. hilarii Reinhardt. 



571. P. buckleyi Boulouger. t Canelos. B. '87, 279. 



572. P. affiuis Steind. La Plata. Steind., '79a, 20, PI. iii. Fig. 3. 



ANOSTOMATIN/E. 

 125. NANNOSTOMUS Giinther. | 



573. N. beckfordi Gthr. Demarara. G., '72, 14G. 



574. N. trifasciatus Steind. Barra do Rio Negro ; Tabatinga, '7G, 75, Fig. 2. 



575. N. eques Steind. Peruvian Amazou '76, 78, Fig. 3. 



576. N. unifasciatus Steiud. Barra do Rio Negro '76, 79, Fig. 1. 



577. N. auamolus Steind. Obidos ; Barra do Rio Negro, '76, 81. 



* Dr. Giiuther states that Chilodus is preoccupied, without stating where. We have 

 not found auy earlier use of the name in this form, and reinstate it here. 



t Dr. Boulenger gives a key to the species of the genus Parodou. 



t For an account of this genus see Steiudachuer, Ichthyologischo Beitriige, V, pp. 

 74-82, PI. IX, 1876. 



Proc. N. M. 91 4 



