SPONGIA. 



171 



(Mag. Nat. Hist. ix. p. 472,) had undoubtedly been thrown out 

 of some vessel, as Mr Templeton himself suspected ; and an 

 examination of the genuine specimen has satisfied me that the 

 suspicion was well-founded. 



Fig. 16. 



Spongia : structure of. 



" Nam, cum Natura (ut dici solet) non facial saltus, neque ab extremo 

 ad extremum transeat nisi per medium, inter superiores et inferiores, re- 

 rum ordines nonnuUas mediae et ambiguae conditionis producere solet, 

 quae de utroque participent, et utrosque velut connectant, ut ad utrum 

 pertineant omnino incertum sit." — J. Raius. 



