— 34 
Pectoral and ventral fins plain ; anal with several spots 
which form a cross-line; dorsal dark at the base, light in 
the middle and as it seems, with dark subterminal mar- 
kings ; caudal with 4-6 (?) obliqúe series of little spots. 
Type: 2 specimens of 40-49 mm. total length 
from Fortaleza, capital of the State of Ceará, offered by 
Mr. Francisco Dias da Rocha to whom I have the 
honour to dedicate this species. 
Corydoras eigenmanni n. sp. 
D. I, 7 j/£; A. I, 5 j/g; 1. plates 24 over 22; in 
another example their number is 25 over 22. Depth of 
body equals length of head, and is contained 3 j/£ times 
in the length. Ventral profile slightly arched, much less so 
than the dorsal. Occipital pen-shaped; fontanel elongate. 
Coracoid process concealed. Eye 3 in snout, 2 in inter- 
orbital, 5 in head. Rictal barbeis reaching posterior 
margin of orbit, not to gill-opening; mental barbeis % 
length of orbit, Breast and belly anteriorly covered with 
skin. Dorsal fin when depressed not reaching the adi- 
pose. Pectoral and dorsal spines with fine, antrorse, 
teeth on anterior margins and retrorse hooks behind. 
Straw color, with a series of definite markings. 
Sides of head marbled, a streak from eye forward and 
then downward to angle ot mouth; a dark streak across 
occiput and gill-opening, and thence obliquely backwards 
and downwards to lateral line. A dark band across back 
at adipose spine to lateral line and thence to caudal; a 
narrow broken band along sides, below lateral line; a 
dark cross-band in front of anal and one above posterior 
part of anal. Dorsal, dusky in front and along base, 
upper posterior part light, with dots on the rays. Caudal 
