6 GOBIID.E. 



united by them as are otherwise entirely different from one another. 

 jVny one who should extend his examinations to a great number 

 of species would soon become aware of the fruitlessness of such at- 

 tempts, by wliich neither a natural arrangement is effected, nor the 

 determination of the species facilitated. A generic separation of 

 those s])ecics which are entirely devoid of scales, or Avhich have the 

 teeth tricuspid or in a single series, appears to be the most justifiable. 



Synopsis of the Species. 

 I. The anterior dorsal with five or six spines. 

 A. Scales large or of moderate size, fifty or less in a longitudinal series. 



1. A longitudinal crest on the nape, p. 8. 



1. G. cyprinoides. 



2. No crest on the head. 



a. Caudal fin romided, not elongate. 

 (la. Canine teeth none. 

 a. Head longer than high. 



ua. The second dorsal with eleven or more rays. 



* Head longer than broad, p. 9. 



2. G. ratau. 7. G. niger. 11. G. flavus. 



3. G. sjTman. 8. G. auratus. 12. G. nudiceps. 



4. G. semilunaris. 9. G. lesueurii. 13. G. genivittatus. 



5. G. melanio. 10. G. jozo. 14. G. oligolepis. 

 (i. G. sulcatus. 



* * Head as broad as long, p. 14. 



15. G. buccatus. 



45. Gobionellus liastatus, Girard in Proc. Acad. Nat. Sc.Philad. 1858, p. 1C9. 



— Coast of Texas. 

 4G. Taiasica, Marcgr. p. 144. — Gobius brasih'ensis, Bl. Sclm. p. 69 ; Ciiv. ^ 



V(d. xii. p. 121 (not Lichf.). — South America. 



SiJccics of which the uffinity is not detcrminahle. 



47 Gobius rabro-tseniatus, Lienard, Bix. Bapp. Soc. Hist. Nat. Maur. p. 39. — 

 Mauritius. 



48. niger, Lacep. ii. p. 568. — Gobius commersonii, Cuv.^- Val. xii. p. 136. 



— lie de France. 



49. ca'ruleus, Lac(p. ii. p. 500 ; Cuv. ^ Val. xii. p. 137. — Bourbon. 



50. lyricus, Girard inProc. Acad. Nat. Sc. Philad. 1858, p. 109. — Coast 



of Texas. 



51. wurdemanni, Girard, ibid. — Coast of Texas. 



52. calidus, Girard, I. c. — Coast of Texas.. 



53. gulosus, Girard, I. c. — Coast of Texas. 



54. anjcrensis, BIcck. Blenn. en Gob. p. 251. f. 11. — Anjer. 



.55. cobitis, i'fl//. Zoogr. iii. p. 101 ; Nordm. in Dcmid. Voy.Russ.Merid. 



iii. p. 4.'55. — West coast of the Crimea. 



50. gutum, Buch. Ham. Fishes of the Ganges, p. 50; Cuv. if" Val. xii. 



p. 138. — Ganges. — A figure of it (No. 272) exists in the Collection of 

 Drawings of Fishes by Ilardwicke (MSS. of the British Museum). 



57. meUinopus, (Ca.steln.) BIcck. Singapore, iii. p. 450. — Singapore. 



58. patella, Thunh. in Vctcnsk. Acad. Nga Handl. Stockh. xiii. 1791, 



p. 191. tab. 0.— East Indies. 



59. brcviceps, Blyfh '« Joicrn. As. 8oc. Beng. p. 271.-— Andaman Islands. 



