n6 FIELD COLUMBIAN MUSEUM ZOOLOGY, VOL. VII. 



It is interesting to note that the writer has seen Chirostoma jordani 

 Woolman, captured in the same way along the shore of Lago del 

 Cuitzeo, Michoacan, Mexico. The dried fishes are packed in sacks 

 and shipped to many places in Central Mexico. 



Momotomba (8), 60 to 70 mm. ; Managua (300), 55 to 70 mm. ; Cis- 

 playa (i), 60 mm. 



Family Ha'mulidse. THE GRUNTERS. 



Body oblong, compressed, covered with moderate-sized scales; 

 lateral line concurrent with the back; head large; premaxillaries 

 protractile; maxillary without a supplemental bone, and for the most 

 of its length, slipping under the preorbital; no barbels; teeth in jaws, 

 none on vomer or palatines; ventral fins thoracic, its rays 1.5. A 

 large family of shore fishes, perch-like in form, a few entering fresh 

 water. 



Genus Pomaclasis Lacepede. ROBALLO. 



Mouth small, terminal low, maxillary scarcely to middle of eye; 

 teeth small, on jaws only, in villiform bands; preopercle serrate. 



Pomadasis grandis sp. nov. ROBALLO. 



Type, No. 5939, F. M. N. H.; length, 345 mm.; Lake Nicaragua, 

 Granada, Nicaragua. 



Head 3.14; depth 3.47; D. xni, 12; A. in, 7; scales 8-58-16. 

 Body elongate, dorsal region not much elevated; profile nearly 

 straight; mouth moderate, maxillary not quite reaching vertical 

 from front of orbit, its length 2.96 in head; mandible 2.62; snout 

 2.70; diameter of eye 4.96; interorbital 4.27; top of head covered 

 with small ctenoid scales; preopercle serrate, the serrae being larger 

 just above angle ; teeth in bands, the outer scarcely enlarged ; gill 

 rakers 6+12; origin of dorsal over base of pectoral, its distance from 

 tip of snout 2.64 in body; fifth dorsal spine the longest, 2.11 in head; 

 second anal spine very robust, its length 1.62 in head; tip of second 

 anal reaching slightly beyond tips of soft rays ; third anal spine much 

 smaller than the second; pectoral fins short, 1.64 in head; ventral 

 1.65; caudal peduncle rather slender, its length 2.04 in head; depth 

 4.27; soft dorsal and soft an^l with a small sheath of scales at their 

 bases ; scales above lateral line in rows parallel to lateral line ; caudal 

 fin lunate. 



