FISHES OF THE FAMILY LOEICAEIID.E. 279 



8. fLoRICARIA MAGDALENE. 



Loricaria magdalence Steind. Denkschr. Ak. Wien, xxxix. 1878, p. 74, and ib. xli. 1879, pi. vii. 

 figs. 2 & 3. 



Length of head 5 times in the total length. Breadth of head \\- 1J times in its 

 length, diameter of eye 6-7 times, interorbital width 4 times, length of snout 2\ times. 

 Males armed with bristles on the sides of the head, the supraoccipital, nuchal scutes, 

 and pectoral spine ; snout triangular, with rounded apex ; supraoccipital with a pair of 

 very weak keels; orbit with a large notch ; lips papillose, with short marginal fringes ; 

 free portion of barbel a little longer than diameter of eye ; about 8 teeth on each side 

 in both jaws. 30 scutes in a longitudinal series (154-15); nuchal scutes obscurely 

 bicarinate ; lateral keels weak, united posteriorly ; scutes otherwise not carinate. 

 Abdomen with 3 series of plates between the lateral series for nearly their whole 

 extent ; anterior plates smaller, extending to the level of the middle of the gill- 

 opening ; anal plate bordered anteriorly by 3, these 3 again by 5. First dorsal ray as 

 long as or a little longer than the head ; pectoral spine extending to base of ventral or 

 a little beyond ; first and second branched rays of ventral the longest ; upper caudal 

 ray elongate. Breadth of body at level of first anal ray nearly 5 times in the distance 

 from that point to the caudal. All the fins with dark spots on the rays ; caudal dark 

 at the base and in its posterior half. 



The typical examples measure up to 150 mm. in total length. 



R. Magdalena. 



9. Loricaria cade.e. 



Loricaria cadece Hensel, Arch. Nat. 1868, i. p. 369 ; Cope, Proc. Am. Phil. Soc. xxxiii. 1894, 

 p. 94, fig. 15. 



Length of head 4f times in the total length. Breadth of head \\ times in its length, 

 diameter of eye nearly 7 times, interorbital width 4f times, length of snout 2^ times. 

 Snout triangular, pointed ; supraorbital edges slightly raised ; supraoccipital with a pair 

 of weak keels ; orbit with a large notch. Lips papillose, with short marginal fringes, 

 the lower rounded, of moderate width ; free portion of barbel not longer than the 

 diameter of eye; teeth well developed, 6-8 on each side in both jaws. 29 scutes in a 

 longitudinal series, 17 + 12, the lateral keels weak, united posteriorly; all the scutes in 

 front of the dorsal very obscurely carinate. Lower surface, of head naked ; abdomen 

 with 3 series of plates between the lateral series for nearly their whole extent, a few 

 smaller plates anteriorly, extending medianly to the posterior edge of the coracoids, 

 laterally nearly to the inner angle of the gill-opening ; an anal plate, bordered anteriorly 

 by 3, these 3 again by 5. First dorsal ray as long as the head ; pectoral spine extending 

 to base of ventral ; ventrals with the 2 or 3 outer branched rays the longest ; (caudal !j. 

 Breadth of body at level of first anal ray 4f times in the distance from that point to 



vol. xvii. — part hi. No. 12. — October, 1904. 2 p 



