148 



pinnis dorsnli analique a caudali discrelu : latere dextro JlaveS' 

 cente,Juscescente vario ; pinna j}ectoraii dextrdad apicejn macula 

 parvd nigrd notatd, 



Tetrodon guttifer. Tetr. oblongus^ Icevis ; ventre acideato- 

 hispido ; piniiis pectoralibus postice subrotundatis ; dorsali ana- 

 lique rotundato-acutis ; caudali lunatd; deniibus superioribus 

 antice parum elevatis : supra oUvaceo-brunneus albo guttatus ; 

 infra lacteus. 

 D. 11. A. 10. P. 21. 



Carcharias fissidens. CarcJi. deniibus trianoularibus, sinoulis 

 versus nnguimn oris profunde emarginalis, incisura acutd ; jnnnd 

 dorsali '■Ida supra analis medium incipiente. 



Figura dentium apud LaCepede, Hist. Nat. dcs Poiss., torn, i.7;/.viii. 



The single notch on each tooth on the side directed towards the 

 angle of the mouth is so deep and acute as to give to the teeth, 

 when viewed from the side, a close resemblance to so many arrow- 

 heads. 



Rata bispecularis, Raia superne aspera, acideis dorsalibus in 

 unicd serie per caudam excurretite : Jusca, macula pinned pectora- 

 lis rotunda hyalind nigro-cincta, 



Affinis, ut videtur, Raice Miralete, Ilisso : difFert corpore toto 

 superne aspero, caudaeque aculeis uni-seriatis. Specimen minimum, 

 2-unciale. 



Among the previously described species contained in the collec- 

 tion was a specimen of ScyUium 7narmoratutn, Benn., (Memoirs of 

 Sir T. Stamford Raffles, Appendix) hitherto only known as an in- 

 habitant of the Indian seas. 



