the Family Cichlide. 35 
B. Mouth terminal or subterminal; jaws with an outer series of 
enlarged uni- or bicuspid teeth and 2 or more inner series 
of small tricuspid or compressed teeth. Ethmoid united with 
vomer by suture; inferior apophyses of third vertebra meeting 
below but not united. D. XV-XXI 5-12. A. III-VI 5-10. 
Scales 30-40. 
1. D. XV-XX 8-12, A. III 6-10. 
Mouth terminal; outer teeth bicuspid or some 
conical, inner mostly tricuspid.......... 4. Limnotilapia. 
Mouth terminal; teeth compressed, outer bi- 
cuspid and inner tricuspid in young, all 
Unieuspid 3 adalhy (6 wes save ten las ciel 5. Lobochilotes. 
Mouth subterminal; an outer series of curved 
conical teeth and a band of small tricuspid 
SURertl icra aatnae he ss tte ea ans sere atte ne e's oe . 6. Gephyrochromis. 
Mouth subterminal ; preemaxillaries with an 
outer series of teeth, which are bicuspid 
anteriorly and conical laterally, followed 
by a band of small tricuspid teeth ...... 7. Srmochromis. 
2. D. XX-XXI 6-6, A.IV-VI 5-7. Mouth wide, subterminal, 
with a band of small tricuspid teeth and an outer series 
of bicuspid teeth ; a single series of conical teeth at sides of 
premaxillaries....6.++... ealeid decane: ay & ROPREUS, 
C. Mouth subterminal or inferior; teeth tricuspid or conical. 
D. XII-XIV 12-14. A. IIL 8-10. Scales large, 34 to 40. 
Mouth subterminal ; teeth small, fixed, uni- or 
tricuspid, in narrow bands ........++6. 9, Ophthalmotilapia. 
Mouth subterminal; teeth movable, slender, 
tricuspid, in broad bands .............. 10. Cunningtonia, 
Mouth transverse, inferior ; teeth slender, tri- 
CUS «. whierage « Tree ee vee. Ll. Asprotilapia. 
D, Mouth subterminal ; teeth slender, tricuspid, movable, in 
broad bands. D.XVII-XX 8-10. A.III7-8. Scales large, 
O2-UD) seeders eivctenaenees cceus. 12, Petrochromis. 
E. Mouth subterminal; teeth fixed, tricuspid or conical. D. XIII- 
XIV 12-14. A. III 9-10. Scales small, 55-65. 
13. Cyathopharyne. 
F. Mouth terminal; teeth conical. D, XIJ-XIX 8-16. A, III 7- 
12. Scales large, 28-42. 
Maxillary slightly exposed ; interorbital region 
flattish ; occipital crest not extending 
forward beyond middle of orbits ........ 14. Limnochromis. 
Maxillary considerably exposed ; frontal region | 
humped ; occipital crest’ extending for- 
ward at least to anterior end of inter- 
orbital region ....... vente ee seats Lo. Cyphotilapia. 
