533 — 



534 — 



535 — 



— 31 — 



531 Salpa democratica, Forsk. 



b) Conchiglie. 



532 Helix studeriana, Fcr. 

 lanx, Fcr. 

 magnifica, Fei'. 

 caffra, Pfr. 



536 — polygirata, Barn. 

 53T — liaemastoma, Linn. 



538 Bulimus fibratus, Mari. 



539 — ioslomiis, Sojr. 



540 — magnificus, Grat. 

 54.1 — nigrofascialus, Pfr 



542 — perversus, Linn, ì 



543 — ioxapreganus (!) 



544 Cochiostyla cincinna, Soir. 



5/i5 



mirabilis, Fcr. 



5A6 Pupa ovoidca, Brug. 



547 Siliquaria anguina, Linn. 



548 Eulima nitida, Lmk. 



549 Ovula carnea, Linn. 



550 Modiola discrepans, Lmk 



551 Galeomma Turioni, Sojv. 



{HiaUlIa Poli, 0. 



552 Gastrochaena tarentina, 0. Cast. 



(G. Polii, Phil.) 



Anellidi 



553 Aphrodita aculeala, Bast. 



554 Polynoe tessellata, noò. (2). 



555 — ? 



556 — ? 



id. 



(1) Nella spessezza del mantello delle Ascidie. 



(2) Vedi la parte seconda. 



