THE AMERICAN TETRAGONOPTERINAE. 



285 



Specimens examined. 



Catalogue 

 number 



4912 C. Type 



4913 C, 12751 I. 

 Paratypes 



4914 C, 12752 I. 

 Paratypes 



4915 C, 12753 I. 

 Paratypes 



5093 C, 12851 I. 



5394 C, 13087 I. 



5395 C. 



5397 C, 130S9 I. 



Number of 

 specimens 



1 



00 



00 



12 

 2 



Size 

 in mm. 



107 

 113' 



113 



94' 



69-93 

 1252 



Locality 

 Istmina 

 Istmina 



Betw. Puerto Negria & 



Istmina 

 Puerto Negria 



Cordova 



Rio San Juan, mouth of Rio 



Cacurrupi 

 Rio Calima, near Boca del 



Dineho 

 Rio San Juan, mouth of Rio 



Manguido 

 Istmina 

 Rio Telembi; 8 m. above 



Barbacoas 

 Rio Telembi 

 Barbacoas 

 Above Barbacoas 

 Rio Telembi, San Lorenzo 

 Creek Altacar, Barbacoas 

 Patia, mouth of Rio Guaitara 

 Rio Magui 



Patia between Magui & Telembi 

 Tado 



Collector 

 Eigenmann 

 Eigenmann 



Eigenmann 



Eigenmann 



Eigenmann 

 Henn 



Henn 



Henn 



Wilson 



Henn & Wilson 



Henn & Wilson 



Henn & Wilson 



Henn & Wilson 



Henn & Wilson 



Henn & Wilson 



Henn 



Henn 



Henn 



Wilson 



Head about 4; depth 2.2-2.75; D. 11; A. 23-28; scales 7-35 or 3G-7; eye 3 

 in the head; interorbital 2.4^2.5. 



Deep and robust; ventral profile a little more arched than the dorsal, 

 and a little more regular. Preventral area broad, slightly flattened, with a 

 median series of about 14 scales; postventral area rounded. Predorsal area 

 keeled, with about 11 median scales. 



Occipital crest about 4 in the distance from its base to the dorsal, bordered 

 by three scales on each side. Interorbital smooth, convex. Frontal fontanel 

 narrow, about half as long as the parietal without the groove. Naked margin 

 around the free border of the second suborbital about one foirrth as wide as the 

 suborbital. Maxillary equals snout, 4 in the head. Four teeth in the outer 



' Largest specimen. 



' Larger specimen. 



