4^ F H I L os OP H lA 



§. III. A R T U S. 



Vinnx , fîve artus flmt corporis partes , qii:e ofîi- 

 colis radiatx, e dorfo , lateribiis, ventre & 

 cauda perpendentes, iiatationis motus varies 

 peragimt. Porro olTîcuh prsefata ima aniie- 

 ctimtiir ope membranx condupiicatx , intra 

 qiiam latent ferie longitudinali dilpolîta, 



Dicuntur Radil vel Acide L 



A, R A D I L Tab. L FiG. 3. 



OfTicula articuîata inermia, flexilia femper, dichotoma,-feu 

 ramis omnibus apice bipartiiis. 



B. A C U L E L Tab. L Fig: 2. 



Oiîicula fimpliciffima , nec articuîata, nec dichotoma , dura, 

 pungentia. 



NOTABIS, In pifciLus malacopterygiis' pinnœ fiint fim- 

 plices (339); haium officiila veri lunt radi [a]; anterioia 

 tamen , CcEteris craffiora, breviora, nec dichotoma acideos 

 [b] mentiuntur , & ipforum robur & diiritiem habent , 

 eo , quod non pungant , & articuîata iint , ab iliis diverfa. 

 In p.icibiis acanihopterygiis e contrario pinnse fiint compo- 

 {it2e (340)^ harum ofTicula anteriora genuini Aculei [bJ C2e- 

 teris pauciora & breviora fimt : poileriora vero , i?c7t/'V , 

 longiora & numeroliora. Tandem pinnœ peéloralcs ^ 

 caudalis piicium tiim acanthopterygiorum tiim malac'^pte- 

 rygiorum aut etiam branchioflegorum , folos gerunt radios, 

 exceptis Siluris quibusdam. 



