3. TETRODON. 279 



Var. y. alhophmibeus, ivith a hlaclc humeral spot, 

 r. Adult (Hi inches). China. Presented by Mr. Beard. 

 s. Young. China. Presented by General Hardwicke. — Type of T. 



aJbnplamheus. 

 t-v. Adult and half-gro^^Ti. Japan. 

 w. Half-grown. South Seas. Presented by S. Stuchbury, Esq. 



9, Tetrodon ocellatus. 



(Diodon) Tetrodon ocellatus, Oshcck, It. p. 226, or Engl. edit. i. 



p. 3G4, ii. p. 3;U ; L. Syst. Nut. i. p. 411 ; Bl. taf. 145; Laci}^. i. 



pp. 475, 497 ; Bl. Schn. p. 504 ; Richards. Voy. Sulph. Fish. p. 120, 



pi. 58. ligs. 1 & 2. 

 Tetrodon fasciatus, M'Clell. Calc. Journ. Nat. Hist. iv. p. 412, pi. 21, 



fig. 2. 

 Tetrodon, sp., Benn. in Beechey's Voy. Zool. p. 50. 

 Tetrodon bimaculatus, Richards. I. c. p. 119, pi. 57. figs. 7-9. 



Back covered with minute spines from the interorbital space 

 nearly to the dorsal fin ; abdomen entirely covered with similar 

 spines ; sides entirelj^ naked. The length of the head is rather less 

 than its distance from the dorsal fin. Caudal fin truncate. Upper 

 teeth without ridge in front. A black white-edged band crosses the 

 back, terminating laterally in a more or less distinct black spot. 

 Base of the dorsal fin on a round black white-edged spot. Head 

 and back sometimes with brown cross bands, curved backwards on 

 the sides, among which the black cross bar is lost (bimaculatus). 



China. 



Var. a. UmacuJata. 



a. Adult (13 inches), stuffed. China, Presented by J. R. Eeeves, Esq. 



b. Typo oi T. biinaculatus. China. Presented by J. 11. Reeves, Esq, 



c. Young : stuffed, China. Purchased by Mr. Argent. 



d. e. Half-grown and young. 



Var. /3, ocellata. 

 f, g, h-k. Three inches long, China. 

 i-m. Three inches long : stuffed, 



Var, y. Back brown, with annular and vermiculated white 

 markings. 



n. Four inches long. China. 



10, Tetrodon rubripes. 



Tetraodon rubripes, Schley. Fauti. Japon. Poiss. p. 283, pi. 123. fig. 1. 



xanthopterus, Schley. I. c. p. 284, pi. 125. fig. 1. 



Gastropliysus rubripes, Bleek. Act. Soc. Sc. Iiido-Neerl. \\\\. Japan, vi. 



p. m. 



xanthopterus, Bleek. I. c. p. C9. 



Back covered mth very small spines from the interorbital space 

 nearly to the dorsal fin ; abdomen entirely covered with similar 

 spines ; the dorsal and abdominal patches of spines are nowhere con- 

 fluent. The lencfth of the liead is rather less than its distance from 



