jlnus longe poft acqiiilibriiim, linc;iris, intcr appendiccs pinni- 

 formcs fiiie pinnas ventralcs abfconditus, a quo fulcus fubpro- 

 fundus ad initium fere pinnae fubcaudalis cxtcnditur. Cauda 

 tcres excepto fupradido fulco, ad apiccm adtcnuata, et \bi 

 pinna caudae incipit, compianata. Color (laucCccns in capite 

 albidior \ cutis pcr totum corpus ct pinnas pundis afpcris fi- 

 cilc fccedcntibus tc(fta. 



ARTVS. Vnmae penorahs cxiguac, ad latcra pcrpen- 

 dicularitcr fitac, rhomboidalcs, cxtrorfum rotundatac. Pinnae 

 i'efitrales ad anum, cunciformes, horizontalcs, quarum fingula 

 intcrnam fui partcm habct carnofiorem et in apice in proces- 

 fum paruum , cylindricum , rcclum dcfincntcm. Piiwae ciorfi 

 binac, muticac, vcrfus caudam rcmotac ; antcrior cxaducrfo 

 vcntralium fitaj pollcrior mcdio intcr haiic et pinnam caudae, 

 pcLtoralibus dimidio minores. Pinna fubcandalis fub ipfli ferc 

 pinna caudali, cuius et laciniam diccrcs infcriorcm , fi intcr- 

 rtitium ad apiccm caudac non cxiltcrct nudum ct vcram pin- 

 nam caudalcm non fcpararct, triangularis, dc(ccndcns, colorc 

 fufccfcentc. Pinna caudae occupat mari.',incm fupcriorcm cau- 

 dac, clcuatur fub forma anguli rc(fti ct vna cum apicc abruptc 

 tcrminaturi colorc fulco in cxtrcmo rubcntc. 



Ex collciftione Dhalbcrgiana Mulci noftri Acadcmici. 



OBSER- 



