CICHLOSOMA. 19 
b. Last dorsal spine 4 the length of head. 
Depth of body 24 in the length, D. XVIII]. A.V8.. . . . 15. sieboldii. 
Depth of body 24-23 in the length. D. XVI-XVII 12-13. A. v 10 » . 16. godmani. 
2. Depth of body 3 to 3} in the length; last dorsal spine 4 to ? the 
length of head. D. XV-XVII 12-18. A.IV-V 9-10 . . . 17. irregulare. 
B. Caudal emarginate, with rounded lobes; depth of body 22~2¢ in the 
length ; last dorsal spine 4 the length of head. D. XVII 18. 
A. VI9 2. ww ee ee ee ee ee www ew. 18. Lentiginosum. 
II. Pectoral extending to above the origin of anal. D. XVIII 10-11. 
A. VIE8. Se342 00. 2 6 6 ee ee ee ee ew «19 Balteatum. 
III. Pectoral extending to above the second or third anal spine. 
D. XVIII-XIX 10-11. A. VII-VIII 8-9. Se. 35 Se. . . . 20. nicaraguense. 
1. Cichlosoma eigenmanni, Meck, 1902. 
Cichlosoma eigenmanni, Regan, Ann. Mag. N. H. (7) xvi. 1905, p. 225. 
Hab. SourHerN Mexico, Rio Papaloapam (Gadow). 
2. Cichlosoma nebuliferum, Giinth., 1860. 
Cichlosoma nebuliferum, Regan, Ann. Mag. N. H. (7) xvi. 1905, p. 226. 
Hab. Sournern Mexico, Isthmus of Tehuantepec (Sal/é). 
3. Cichlosoma maculicauda, Regan, 1905. (Tab. II. fig. 3.) 
Cichlosoma maculicauda, Regan, Ann. Mag. N. H. (7) xvi. 1905, p. 227. 
Hab. Guatemata, Rio Motagua and Lake Yzabal (Salvin); Panama, Rio Chagres 
(Salvin). 
4. Cichlosoma fenestratum, Giinth., 1860. 
Cichlosoma fenestratum, Regan, Ann, Mag. N. H. (7) xvi. 1905, p. 227. 
Hab. SoutnerN Mexico, Chimalapa (Buller), Vera Cruz, Boca del Rio, and Rio 
Papaloapam (Gadow). 
5. Cichlosoma sexfasciatum, Regan, 1905. (Tab. IV. figg. 2, 2 a.) 
Cichlosoma seafasciatum, Regan, Aun. Mag. N. H. (7) xvi. 1905, p. 230. 
Hab. Mexico, Guapote. 
This species is intermediate between C. fenestratum and C. microphthalmus. From 
the former it is distinguished by the shorter head, smaller eye, shorter pectoral fin, 
lower dorsal spines, &c.; from the latter by the shorter caudal peduncle and the 
broadly interrupted fold of the lower lip. 
6. Cichlosoma bifasciatum, Steind., 1864. 
Cichlosoma bifasciatum, Regan, Ann. Mag. N. H. (7) xvi. 1905, p. 228. 
Hlah, MEXIco. 
