308 PATAGONIAN EXPEDITIONS : ZOOLOGY. 



1. Northern. 



/ RJiaindia pentlandi Cuvier & Valenciennes : Monterico, Tullumayo, Rio 



Huambo. 

 Pygidiiiui rivitlatitni (Cuvier & Valenciennes) : Ucayale. 

 Pygidiimi pceyaiiuni (Cope) : Arequiba, Peru. 

 Pygidiinn incridce (Regan) : Merida and Rio Albirregas, near Merida, 



Venezuela. 

 Pygidiuni tcenia (Kner) : western slopes of Peru. 

 PygidiujH laticeps (Kner) : western slopes of Peru. 

 Pygidiiiiii kiicrii (Steindachner) : Canelos and Rio Zamora, Peru. 

 Pygidiuin cigennianui (Boulenger) : Cumbaca. 

 Pygidiinn dispar Tschudi : eastern slope of Peru at an altitude of 



14,000 feet. 

 Pygidiuin nigroniacnlatiDn (Boulenger) : Colombia. 



Pygidiitni taczanowskii [^\.€\viA2.<i\vi\&x) : Rio de Huambo ; Rio de Tortora. 

 Pygidiitni quechnorjmi (Steindachner) : Arequipa, Peru. 

 / ErenwpJiilus nintisii Humboldt : Bogota. 

 / Chcetostomus — all (14) species of this genus. 



/ Argcs — all (15) species of this genus (to an elevation of at least 10, 700 feet). 

 / Cyclopiitm — all (4) species of this genus. 

 / Astroblepns grixalvii Humboldt : Popayan, Rio Cauca. 

 / Creagnififs — all species. 

 Mt Profisfius seniofiins Cope : ^ Peruvian Andes at an elevation of 12,- 



000 feet). 

 Me Gastroptents arc/icsns Coy)^:'^ Arequiba, at an elevation of 7,500 feet. 

 Me Oreogobins rosenbergii Boulenger : Paramba, northwest Ecuador, 3,- 



500 feet. 



2. Titicacan. 



Pygidiitni rivitlatmn (Cuvier & Valenciennes). 



/ Ancistriis montana (Regan) : eastern Andes of Bolivia. 



/ Ancistriis triformis (Cuvier & Valenciennes) : eastern Andes of Peru 



and Bolivia. 

 Orcstias — all (11) species of this genus. 



From the Southern Province there are known only a very few species of 

 Pygidiiini. 



' These two genera occur in the latitude of Titicaca, south of the other species. I am not 

 sure that they do not belong to the Titicacan province. 



