CICHLOSOMA. 19 



h. Last dorsal spine t^ the length of head. 



Depth of body 2^5 in the length. D. XVII 11. A. V 8 15. sieboldii. 



Depth of body 2i-2| in the length. D. XVI-XVII 12-13. A. V 10 . . 16. gudmani. 



2. Depth of body 3 to S^ in the length ; last dorsal spine ^ to § the 



length of head. D. XV-XVII 12-13. A. IV-V 9-10 . . .17. irregidare. 

 B. Caudal emarginate^ with rounded lobes ; depth of body 2|-2* in the 

 length ; last dorsal spine i- the length of head. D. XVII 13. 

 A. \I 9 18. lentiginosimi. 



II. Pectoral extending to above the origin of anal. D. XVIII 10-11. 



'o 



A. VII 8. So. 34 j^ 19. balteatum. 



III. Pectoral extending to above the second or third anal spine. 



D. XVIII-XIX 10-11. A. VII-VIII 8-9. Sc. 35 ^^. . . .20. nicaraguense. 



1. Cichlosoma eigenmanni, Meek, 1902. 



Cicfdosoma eigenmanni, Regan^ Ann. Mag. N. H. (7) xvi. 1905, p. 225. 

 Hal). Southern Mexico, Rio Papaloapam [Gadoiv). 



2. Ciclilosoma nebuliferum, Giinth., i860. 



Cichlosoma nebuliferum, Pi,egan, Ann. Mag. N. H. (7) xvi. 1905^ p. 226. 

 Ilah. Southern Mexico, Isthmus of Tehuantepec [Salle). 



3. Ciclilosoma maculicauda, Eegan, 1905. (Tab, II. fig. 3.) 



Cichlusoma maculicauda, Regan, Ann. Mag. N. H. (7) xvi. 1905, p. 227. 



Ilab. Guatemala, liio Motagua and Lake Yzabal (Salvin) ; Panama, Rio Chagres 

 (Salvin). 



4. Ciclilosoma fenestratum, Giinth., i860. 



Cichlosoma fenestraium, Regan, Ann. Mag. N. H. (7) xvi. 1905^ p. 227. 



Ilab. Southern Mexico, Chimalapa [Buller), Vera Cruz, Boca del Rio, and Rio 

 Papaloapam (Gadow). 



5. Cichlosoma sexfasciatum, Regan, 1905. (Tab. IV. figg. 2, 2 a.) 



Cichlosoma sexfasciatum, Regan, Ann. Mag. N. H. (7) xvi. 1905, p. 230. 



Rah. Mexico, Guapote. 



This species is intermediate between C. fenestratum and C. microjjhthalmus. 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. 



Ilab. Mexico. 



D2 



