GALEICHTHTS. 123 



7. Graleichthys guatemalensis. 



Arius guatemalensis, Gi'iuth. Cat. Fish. v. p. 14") (1864) \ 



Galeichthys guatemalensis, Jord. & Everin. Bull. U.S. Nat. Mus. xlvii. 1900, jd. 2779 '. 



Galeichthys azureus (Jord. & Williams), Jord. & Everm. t. c. p. 2775, fig. 55 ^ 



Depth, of body 6 in the length, length of head 3i. Breadth of head 1\ in its length, diameter of eye 61. 

 Fontanel not produced backward into a groove ; occipital process weakly keeled, considerably broader 

 than long, with apex truncated and sides somewhat concave. Width of mouth nearly ij the width of 

 head ; proemaxillary band of teeth 5i times as long as broad ; vomerine patches of teeth separate, 

 continuous with the larger club-shaped palatine patches. Maxillary barbel extending to operculum. 

 11 gill-rakers on the lower part of the anterior arch. Dorsal I 7 ; spino | the length of head ; adipose 

 fin shorter than the dorsal. Anal 19. Pectoral spine nearly | the length of head, with strongly serrated 

 inner edge. 



Hah. Pacific coast of Mexico and Central America : 

 Mazatlan ^ ; Guatemala i. 



Here described from tlie type, a specimen measuring 260 mm. in total length. 

 Gimtiier s specimen (h), from Cliiapara, belongs to G. ccerulescens. 



S. Galeichthys cserulescens. (Tab. XVII. fig. 2 and Tab. XIX. fig. 6.) 



Arius C(Erulescens, Giiuth. Cat. Fish. v. p. 149 (1864) \ 



Galeichthys carulescens, Jord. & Everm. Bull. U.S. Nat. Mus. xlvii. 1900, p. 2776 '. 



Depth of body 5 to 6 in the length, length of head 3;j to 4. Breadth of head 1 j to Ij in its length, diameter 

 of eye 6 to 8. Fontanel not produced backwards into a groove ; occipital process not or but feebly 

 keeled, subtriangular, as broad as or a little broader than long, with apex truncated or suhtruncated and 

 sides nearly straight; dorsal shield small, subcrcscentic. Width of mouth i to i| the width of head; 

 prajmaxillary band of teeth 6 times as long as broad ; vomerine patches of teeth oblong or oval, separate, 

 continuous or suboontinuous with the palatine patches, which are only a little larger than the vomerine 

 ones and of similar form. Maxillary barbel extending to basal part or middle of pectoral. 12 or 13 

 gill-rakers on the lower part of the anterior arch. Dorsal I 7 ; spine ^ (adult) or | (young) the length 

 of head ; adipose fin as long as or a little shorter than the dorsal. Anal 16-18. Pectoral spine | to | 

 the length of head, with the inner edge moderately or rather strongly serrated. 



Hah. Pacific Coast of Mexico and Guatemala : 



Kio Presidio in Mexico [Forrer); HuamachaP and Chiapam in Guatemala 



[Salvin). 



Here described from six specimens, including the type of the species, measuring 

 from 160 to 280 mm. in total length. 



9. Galeichthys lentiginosus. 



Galeichthys lentiginosus (Eigenm. & Eigenm.), Jord. &. Everm. Bull. U.S. Nat. Mus. xlvii. 1900, 



p. 2771 ' ; Gilb. & Starks, Mem. Calif. Ac. Sci. iv. 1904, p. 20=. 

 Galeichthys xenauchen (Gilb.), Jord. & Everm. t. c. p. 2777 ' ; Gilb. & Starks, t. c. p. 24, t. 4. 



fig- 7 '. 

 Depth of body 5 to 6 in the length, length of head 4. Breadth of head \\ in the length, diameter of eye S 

 to 9. Fontanel produced backwards into a feeble groove which does not reach the parieto-occipital ; 

 occipital process with a feeble keel, twice as long as broad, scarcely narrowed posteriorly, with straight 



R2 



