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Show 1899.] SYRIAN FISHES OF THE FAMILY CICHLLD2E. 99 Synopsis of the Genera. I. No sheath to the vertical fins. A. Anal spines V to X; teeth conical, at least in the outer row. Jaws with a band of very small conical teeth, with moderately enlarged canines in front 1. Jaws with a band of very small conical teeth, with a few curved canines in front, the outer of which are very large and tusk-like 2. Jaws with a series of conical teeth followed by a broad band of minute tricuspid teeth 3. B. Anal spines III; teeth not notched, uni-cuspid, numerous. 1. Teeth conical or fang-like ; alveolar surface of jaws narrow or moderately broad. a. N o pad-like papillose prominence close to the upper part of the branchial arches. Teeth in one or two series, with more or less enlarged or canine-like ones at the symphysis 4. Teeth in two or more series, outer longest and more or less curved inward; anal with 6 to 12 soft rays 5. Several rows of fang-like teeth ; scales small and irregular ; anal with 16 soft rays 6. Teeth in two series ; outer mandibular teeth pointing outwards, perpendicular to the others 7. b. A pad-like prominence close to the upper part of the branchial arches. Teeth in two or more series, outer largest and more or less distinctly curved inward 8. Teeth in one or two series, some of the larger ones with the crown bent at an angle to the shaft and directed forward or backward 9. 2. Teeth not conical. Alveolar surface of jaws extremely broad, with innumerable minute teeth with compressed, oblique crowns 10. Jaws with rather large spatulate teeth with truncated crowns disposed in oblique transverse rows of two or three 11. 0. Anal spines V I ; jaws with bands of minute tricuspid teeth, an outer row of bicuspid teeth, and enlarged conical teeth at the sides of the prfemaxillary 12. D. Anal spines III or IV ; teeth all or part notched or bi- or tricuspid, in two or more rows. Jaws with broad bands of minute bicuspid teeth, with an outer series of larger bicuspid teeth, and a single series of sharply differentiated conical teeth at the sides of the prsemaxillary 13. Alveolar surface of jaws narrow or moderately broad, all or most of the outer teeth bi- or tricuspid 14. Lamprologus Schilth. Julidochromis Blgr. Telmatochromis Blgr, Hemichromis Ptrs. Paratilapia Blkr. Bathybatcs Blgr. Ectodus Blgr. Pelmatachromis Stdr. Chromidotilapia Blgr. Corematodus Blgr. Eretmodus Blgr. Trophcus Blgr. Simochromis Blgr. Tilapia Smith. 7* |