icf G\E N E R A 



ABDOMINALES. 



24. oUllTtiS, Cor-pus oblongum; Caput magnum; Membrana 

 hranchiahis radîis quatuor ad quamordecim; Ojjicula p do- 

 ra pinnarum dorfi & peftoris ferrata. 



25- Mli^lL Corpus lanceolatum ; Caput fub-conicum ; Mz- 

 xilla fuperior intus fifTa , fulcata , carinam inferioris ex- 

 cipiensj Mejnbrana branchialis radiis feptem. 



26. PdlynevmS. Corpus oblongum ; Caput roftratum; Mem- 

 brana branchialis radiis quinque ad feptem j Digiti liberi, 

 ad pinnas peftorales , non articulati. 



27» TheiltyS, Corpus ovato - lanceolatum ; Caput truncatum^ 

 Membrana branchialis radiis quinque j Dentés ferie fîm' 

 pliciy sequales^ ngidi> approximati. 



28» i^lOpS, Corpus lanceolato - attenuatum; Caput magnum; 

 Membrana branchialis duplex , radiis triginta, exterius 

 ai mata dentibus quinque. 



