148 FIELD COLUMBIAN MUSEUM ZOOLOGY, VOL. VII. 



ways the oldest. The specimen in the Museum which has the thickest 

 lips is 220 mm. in length, the largest specimen is 240 mm. in length. 



Santo Domingo, 200 meters (i), 118 mm.; near Turrialba (i), 

 98 mm. ; El Sardinal, Santa Clara (i), 235 mm. 



Joturus pichardi Poey. BOBO. 



Very common in the markets. 



Reventazon River, Costa Rica, 600 meters (i), 300 mm.; El Sar- 

 dinal, Santa Clara (i), 270 mm. 



Family TetraodontidjB. 



Eumycterias punctatissimus (Gunther). 

 Isle del Coco (i), 67 mm. 



Family Cichlidse. 



Cichlasoma alfari sp. nov. 



Type No. 6032, F. M. N. H.; length 93 mm.; Turrialba, Costa 

 Rica. 



Head 2.6; depth 2.4 to 2.6; D. xvii or xviii, n; A. vi or vii, 

 8; scales 7-32-13. Body compressed, elongate, profile moderately 

 convex; mouth small, little oblique, the margin of the upper lip below 

 the level of the eye; lower lips without free margin; snout pointed, 

 2.3 to 2.6 in head; maxillary 3.3 to 3.4; mandible 2.4 to 2.5; preor- 

 bital 3.7 to 4.3; postorbital 2.7 to 2.8; eye 2.9 to 3.1; interorbital 3.2 

 to 3.5 ; eye to subopercle 2.6 to 2.9 ; dorsal fin low, its origin to tip of 

 snout 2.2 to 2.3 in body; base of anal fin 3.4 to 3.7 ; dorsal spine rap- 

 idly increases in size to fourth, the rest of nearly uniform length ; last 

 dorsal spine 2.8 to 2.9 in head; last anal spine 2.4 to 2.7; pectorals 

 reaching to second or third anal spine, length 1.3 in head; ventral 

 1.3; least depth of caudal peduncle 2.8 in head, its length 3.0; scales 

 on cheek in 6 rows ; gill rakers short 3+9. 



Color of type olivaceous, upper half of body with slight traces of 

 vertical bars; a dark band from eye to base of caudal; no lateral 

 spot ; a small black spot on upper half of base of caudal fin ; sides of 

 head and anterior half of body with many small blue spots ; a black 

 blotch on spinous dorsal from fifth to twelfth spine; spinous dorsal 



