58 saUAMlPINNES. 



the second covered with scales ; a recumbent spine before the dorsal 

 pointing forwards ; anal with four spines ; pectorals short. No teeth 

 on the palate ; praeoperculum without sjiine. Scales very small. 

 Branchiostegals six; air-bladder simple ; pyloric appendages in in- 

 creased number. 



East Indian and Australian Seas, entering rivers. 



1. Scatophagus argus. 



Piscis stercorarius, WiUuqhbif, App. p. 2. pi. 2. f. 2. 



Renard, ii. 50. 211; VatenL m. p. 403. l 180; Ruysch, Pise. Amb. 



p. 33. tab. 17. f. 6 ; Klehi, Miss. iii. p. 36. no. 4; Russell, i. pi. 78. 

 Stront-visch, Nicuhof, Braz. Land- wid Zee-Reise, p. 209. pi. 268. 

 Chaitodon argus, L. Gm. p. 1248 ; Bl. tab. 204. f. 1 ; Bl. Sehn. p. 232 ; 



Shatv, Zool. iv. p. 332. 



pairatalis, Buck. Ham. pp. 122, 372. pi. 16. f. 41. 



Ephippus argus, Cui\ Regne Anim. 



Cnaetodon atromaculatus, Benn. Ccxjl. Fish. pi. 18. 



Scatophagus argus, Cut. (^ Val. vii. p. 130; Richards. Ichth. Chin. 



p. 245 ; Blcek. Verh. Batav. Gcnootsch. xxiii. Chcetcd. p. 24. 

 Cacodoxus argus, Cant. Cutal. p. 163. 

 Scatophagus maeronotus, Bleek.. Topogr. Batai: (monstr.). 

 Sargus maculatus, Gronov. Syst. ed. Gray, p. 05. 



D. 10 I ^. A. ^. Ca^c. pylor. 20. Vert. 11/12 (10/14 Cuv.). 



The width between the eyes is 2i in the length of the head ; the 

 length of the fourth dorsal spine is 2^ in the height of the body. 

 Prseorbital with the lower posterior angle denticulated. Body and 

 vertical fins spotted vnih. brown. 



East Indian and Chinese Seas, entering rivers. 



a, b. Adult. Singapore. 



c. Young. Singapore. 



d. Half-grown. Amboyna. Purchased of Mr. Frank. 



e. f. Young. Ceram. Pui'chased of Mr. Stevens. 

 g. Adult. Malacca. Purchased of Mr. Cuming. 



h. Adult : stuffed. China. Presented by J. P. Peeves, Esq. 



i, k. Adult. China. 



I. Adult. China. 



m-jy. Adult and half-grown. India. Presented by W. Masters, Esq. 



q-v. Half-grown : not good state. India. 



w. Young. India. 



se. Adult. India. Presented by G. R. Waterhouse, Esq. 



y. Adult. From the Haslar Collection. 



z. Adult : skin. 



a. Adult: skin. Presented by B. H. Hodgson, Esq. 



/3. Adult : stuffed : not good state. Old Collection. 



y. Adult: skin. From Gronov's Collection. 



L Adult : skeleton. From the Collection of the Zoological Society. 



Skeleton. — The maxillary bone is small, slightly bent ; the inter- 

 maxillary also is little developed, and has the posterior process much 

 shorter than the descending branch ; the mandibula is exceedingly 

 short. The limbs of the prsDoperculura form together a right angle, 



