1 . THEKAPON. 279 



roimded, serrated with strong spinous teeth at the angle ; operculum 

 w h two «pmes, the lower of which is elongate and strong. GreS 

 fp-'^f] three cm-ved, bro^vn, longitudfual band., the conveS^v 



t /tlulT"lInff TT '■ '^^^f- P^^*^ E««^^gt«^ (fr^«h water), 

 f/ /^ F ne Vnl,n ^T. ^'''^- "^'^"""^ «^ "le Rattlesnake ^ 



1 •/, f f spec mens. Amboyna. From Mr. Frank's Collection 



l-ldlul: MolS- ^--^^^^e^^d-Muse^nn. ^"^^^^^^• 



^ Adult: stuffed. China. Presented by J. R. Reeves, Esq. 

 m. Half-grown. Chma. Presented by Capt. Sir Edward Belcher 

 n. Half-grown: skin. China. From Mr. Warwick's Co bcttn 

 op Young. China. Presented by Capt. Sir- Edward Relcher 

 '' So;:eI;^ ''' "''' '''''■ ^''''''- ^^--ted by J. C. 

 '' ' ferd^rE'^q.^ """^ ^""^ '*'*'• ^''^''- ^^'^^^^ted by J. C. 



"' '■ byX^. ISth.'''*" "^ ^""* ^' ^'"' (^^^^^^> P^-^^^^t^'J 



If. Adult : stuffed. Red Sea. 



f ?; H;tIf-groM'n : stiiffed. Cape Seas. Presented by Sir A Smith 



^. Half-grown. India. With the name of P..ca ci. 



a. Hatf-grown. India. With the name of Perca cincta. 



y.lt-f:Z. Ll:: ^--t^^byG.R.Waterhouse,Esq. 



d. Toimg : not good state. India. 



e-0. Yoimg. India. 



'• Young. India. From the Haslar CoUeetion. 



- Half-grown: stuffed. (Nepal?) Presented by B.H.Hodgson, Esq. 



SMcton.—The skeleton of Tlierapon differs in nothing nartieularlv 

 from that of the Percine type, and does not yet show thos^e de3 

 grooves on the skuU of the tme Scicnidc. The upper surfaSof 

 the sk-uU IS continued, in a straight line, into the oLipitd test 

 v^hlc•ll weU developed, exhibits a strong and thick rid^e S 

 rontal bones are flat and broad, without sharp ridge" tpel' 

 from the antenor angle of the orbit, and ti-uncated in^front^ The 



nticui^^^d the'' "^^'.^f^-^T^-^-^-^-^-^^^t^ the lower mai^n 

 ho In. ; . Z;''"''™^^'^" "^^^^' infraorbital arch is vervnanw- 



the bone next to the pra^orbital has at its iimcr side a broad plate' 



ihc maxiUarj- is moderately widened behind; the iiitemiaxillaryhas a 



