44. APOGON. 229 



1. Microichthys coccoi. 

 RiippeU, I. c. 



General aspect and the form and position of the fins as in Am- 

 hassis ; lower jaw projecting a little beyond the upper. 

 Sea of SicUy. 



44. APOGON*. 

 Apogon, Lac^. iii. p. 411; Cue. i^- Val. ii. p. 142. 



Seven branchiostegals. All the teeth NoUiform, without canines ; 

 teeth on the palatine bones ; tongue smooth. Two separate dorsals, 

 the first with six or seven, the anal fin with two spines. Operculum 

 spiniferous ; liraDoperculum with a double serrated ridge. Scales 

 large, readily deciduous. 



From the Red Sea, through all the Seas of the Indian and Au- 

 stralian region, some species entering the fresh waters ; one species 

 found on the coast of Brazil. 



Synopsis of the Species. 

 A. Apogon with less than ten soft rays in the anal fin, and 



1. with six spines in the first dorsal. 



a. Body without longitudinal or transverse bands. 



a. With a black blotch on each side of the base of the caudal fin. 



1. A. imberbis, 2. A. heptastigma, 4. A. thermalis. 



3. A. hyalosoma. 



/3. Without such a black blotch. 



5. A. poecilopterus, 7. A. axillai-is, 9. A. leptacanthus, 



6. A. godini, 8. A. hj'pselonotus, 10. A. nigromaculatus. 



h. Body with darker transverse bands or oblong transverse spots. 



11. A. orbicidai'is, 13. A. triniacidatus, 14. A. rhodopterus, 



12. A. nematopterus, 15. A. koilomatodon. 



c. Body with longitudinal bands. 



IG. A. margai-itophorus, 18. A. amboinensis, 19. A. sangiensis, 

 17. A. tifiniatus, 20. A. ceramensis. 



* 1. Apogon latus, {Ehrcnb.) Cuv. Sf Val. ii. p. 159. — Red Sea. 



2. multitiwiiatus, Cuv. tj- Val. I. c. ; Rilpp. Atl. p. 47. — E«d Sea. 



3. coceineus, liiq)]). N. W. p. 88. t. 22. f. 5. — Red Sea. 



4. ceylonicus, Cuv. ^- Val. iii. p. 491. 



5. moluccensis, Val. Nouv. Ann. Mus. Hist. Nat. 1832, p. 54. — 



Amboyna. 



6. guamensis, Val. I. o. — Guam. 



7. novie hollandia;, Val. I. c. p. 55. pi. 4. f. 2. — Australia. 



8. lateralis, Val. I. c. p. 58.— Vanieolo. 



9. novem-fasciatus, F(ii(7i. Japan, pi. 2. f. 2; A. sclilegelii, Bleek. 



Verhand. Batav. Genootsch. xxvi. p. 55.^-Japan. 

 10. fuscus, Quoy ^ Gaim. Vo//. Freyc. Zool. p. 345. — Guam. 



