[69] 



REVIEW OF THE SCI^NID^. 411 



dorsal spine 2£ in head; anal scaleless, its second spine very strong, If in 

 head ; pectoral If in head ; color silvery, with narrow dark streaks above 

 the lateral line; both dorsals profusely covered with fine dark spots; head 

 33 ; depth 3^. D. X-1,35; A. II, 7 ; scales 67 to 68 ; those in the lateral line 



scarcely larger Squamipinnis, 72. 



aa. Mouth small, inferior, the maxillary barely reaching front of eye, about 3^ in head; 

 lower jaw included; caudal fin less thickened; preorbital more or less cav- 

 ernous and turgid (Lepipterus Cuv. & Val.). 



c. [Dorsal rays X-I, 33 ; body elongate ; head long and depressed over the eyes ; 

 depth 6 in length ; head 4 ; maxillary concealed under preorbital ; teeth in 

 fine bands ; mouth sm^ll, maxillary not reaching to front of eye ; preopercle 

 serrate; dorsal spines feeble, flexible, and little elevated ; dorsal rays sub- 

 equal ; caudal rounded ; dorsal and caudal completely scaled ; second anal 

 spine curved and compressed, larger and stronger than in related species ; 

 color entirely silvery, with numerous darker lines along the back ; brown 

 spots on second dorsal. D. X-I, 33; A. II, 7.] (Cuv. 4" Val. ). .Francisci, 73. 



cc. Dorsal rays X-l, 26 to 29. 



d. Second anal spine very long, 2 in head ; anterior profile more or less concave, 

 rather steep posteriorly; profile of snout convex; snout 3iu head; mouth small, 

 with very small teeth overlapped by the turgid and translucent preorbital ; 

 eye large, 4-J in head ; maxillary 31 ; caudal fin rhombic, densely scaled, but 

 less thickened than in P. squamipinnis; soft dorsal much scaly; anal 

 naked ; dorsal spines slender, the longest 2 in head, about as long as sec- 

 ond anal spine; preopercle strongly serrate ; gill-rakers very small ; pec- 

 toral l^in head ; color brownish, silvery below ; traces of 2 or 3 faint dark 

 streaks on posterior part of body above ; spinous dorsal mostly black ; soft 

 dorsal with some dark spots ; head 3J to 3f in length ; depth 3A to 3£. D. 

 X-I, 26 to 29 ; A. II, 6 to 8 ; scales 65 (pores) to 70 (series).. Bonariexsis, 74. 

 dd. [Second anal spine shorter, 3 in head; body slightly compressed and some- 

 what elongate; head conical, elongate; snout produced and somewhat 

 pointed, 2f in head; eye 4 in head; preorbital much swollen, concealing 

 the maxillary ; mouth inferior, small ; maxillary not reaching to below eye ; 

 preopercle with moderate spinous teeth ; longest dorsal spines jj of depth 

 of body ; all the spines slender; soft dorsal scaly j- of its height; caudal 

 pointed ; second anal spine 3 in head ; anal rays naked, shorter than dor- 

 sal rays; scales small, finely ciliated; teeth minute, scarcely perceptible in 

 upper jaw, in a fine villiform band below ; body and second dorsal with 

 blackish spots; head 4 in length; depth 4£. D. X-I, 26; A. II, 7; scales 

 9-85-20.] (Giinther.) Schomburgki, 75. 



72. PACHYURUS SQUAMIPINNIS. 



Pachyurus squamipinnis (misprinted " squamipennis ") Agassiz, Spix. Pise. Bras., 123, 

 plate 71, 1829 (Brazil). Giinther, Cat. Fish. Brit, Mus., ii, 281, 1860 (Atlantic 

 Ocean). Steiudachner, Ichthyol. Beitr., viii, 13, 1879 (Rio Sao Francisco; 

 Rio das Velhas). 



Pachyurus lundii (Bernhardt, MS.). Liitken, Velhas-Flodens Fiske, xx, 1875 (Rio das 

 Velhas). 



Habitat. — Rivers of Brazil. 



The numerous specimens of this species which we have examined are 

 from the Rio das Velhas, in Brazil. The largest of these (8634, M. C. 

 Z.) is about 15 inches long. 



