36 SQUAMIFINNES. 



1. Chelmo rostratus. 



Seha, iii. pi. 25. f. 17. 



Chjetodon rostratus, L. Mus. Ad. Fried, i. p. 61. tab. 33. f. 2 ; Z. Gm. 



p. 1244 ; in. tab. 202. f. 1 ; lil. Schn. p. 221 ; Shaw, Zool. iv. p. 3,'i7. 



pi. 47 ; Gronov. Synt. ed. Gray, p. 73. 

 Jaculator, StMonncr, I'hil. Trunn. 1/04, p. 30. pi. 9. 

 Choitodon enceladus, Shaw, Nat. Mite. p. 2. pi. 07. 

 Cholmon rostratas, Cuv. Reyne Anim. ; lienn. Life of Raffles, p. 689 



C'uv. Sf Val. vii. p. 87 ; Cant, fatal, p. 158 ; Cuv. Rlgne Anim. III. 



Pom. pi. 40. f. 1 ; Bleek. Verhand. Batav. Genootsch. xxiii. Chcetod. 



p. 20. 



D. I;. A. ^. L. lat. 47. L. transv. 9/20. Vert. 10/14. 



The length of the snout (from the anterior margin of the orbit) is 

 one-half the length of the head. Head and body with five brownish 

 cross-bands, edged with brown and white ; a round black white- 

 edged spot in the middle of the soft dorsal, within the fourth cross- 

 band ; the fifth Imnd black round the tail. 



East Indian Seas. \\'est coast of AustraUa. Entering rivers. 



a. Adult. Celebes. Purchased of Mr. Brandt. 

 h-e. Adult. Singapore. 



f. Adult : skeleton. Singapore. 



g. Adult : bad state. India. Presented by General Hardwicke. 

 h, i. Young. Port Essington. From the Haslar Collection. 



Tc. Adult. Presented by Sir J. Richardson. 



I. Adult: skin. From Cronov's Collection. 



m. Half-grown. Presented by Capt. Sir E. Belcher. 



n. Half-grown : discoloured. 



The skeleton differs from that of the following species by a shorter 

 lower prajopercular limb, its length being 1| in that of the posterior. 



2. Chelmo marginalis. 

 Richardson, Ann. Sf Mag. Nat. Hist. 1842, x. p. 29. 



D. ^. A. ^. L. lat. 50. L. transv. 9/22. Caec. pylor. 5. 

 Vert. 10/14. 



The length of the snout is one-half that of the head. Head and 

 body with four brownish cro.ss-bands. edged with brown and white ; 

 sometimes an indistinct blackish spot in the middle of the soft dorsal, 

 within the third cross-band ; the fourth band round the tail. 



Perhaps a variety of Ch. rostratus, from the West coast of 

 Australia. 



a. Adult. Swan River. 



h. Adult : skin. Port Essington. From Mr. Gilbert's Collection. — 

 Tj-pe of the species. 



c. Adult. From the Haslar Collection. 



d. Adult : skeleton. From the Haslar Collection. 



e. Half-grown. Australia. Presented by the Earl of Derby. 



