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164 CALIFORNIA ACADEMY OF SCIENCES. 



3. Arges longifilis Steindachner. 



4. Arges peruanus S eiuda^bner. 



II. AsTROBLEPUs Humboldt. 



5. Astroblepus grixalvii Huaiboldt. 



III. Cyclopium Swainson. 

 Stygogenes Glinther. 



6. Cyclopium cyclopum (Humboldt.) 



Cyclopium hum'ioldU Swaiusou; Stygoijems humboldti Gi'mtber. 

 Locality: Quito. 



7. Cyclopium giintheri Boalenger. 



CALLICHTHYID.E. 



I. SOLEROMYSTAX Giiiither. 



1. Scleromystax barbatus (Quoy & Gaimard) 



II. Cataphractus Blocli. 

 Callichthys Cuv. & Val. 



2. Cataphractus callichthys (Liuuajiis.) 



Callichthyi tamoala Liuuseus; Callichthys asper Quoy & Gaimard; 

 Caliichthys caelatus <£• heviceps Cuv. & Val.; Callichthys loricatus 

 Gronow; Callichthys Icneri Gill; Callichthys affinis Giiather; Cal- 

 lichthys hemiphractus Heusel. 



Localities: Eio de Jaueiro; Peruambuco; Juiz de Fora; Babia; Meu- 

 dez; Macacos; Porto Seguro; Suriuam. 



3. Cataphractus arcifer Heusel. 



III. HOPLOSTERNUM Gill. 



4. Hoplosternum littorale Hmcock. 



Callichthys subulatus <k albidus Cuv. & Val.; Callichthys Icevigahts Val. 



Hoplosternum stevardii Gill. 

 Localities: Surinam; Gurupa; Para; Santarem; Tabatinga; Avary; 



Silva, Lake Saraca; Villa Bella; Porto do Moz; Lake Hyanuary; 



Ueranduba. 



5. Hoplosternum thoracatus (Cuv. & Val.) 



Callichthys longifiUs Cuv. & Val.; posonaius Eauzani; cxaralus d- pic- 

 tus Miill. & Troscb.; su'catits Kner; cA(^Mi7os Casteluau. 



