163 



ICARINA. 



320. ?Icarus, Forbes, 1843. Icarus Gravesii. 



Lephocercina. 



321. Lephocercus, Krohn, 1847. Lepho. Sieboldii. 



322. Lobiger, Krohn, 1847. Lobiger Philippi. 



Fam. III. PLEUROBRANCHIDiE. 

 Umbrellina. 



323. Umbella, Chemn. 1780. Acardo, Lam. 1801 ; Megerle, 1811. 

 L'ombrelle, Lam. 1812 ; Fėrussac. Umbrella, Lam. 1822. Um- 

 braculnm, ScAMJrt. 1817. Gastroplax, ^/ar/i??. Ombrella, jBZamr. 

 Patelk, sp. Humph., Linn. Patella umbellata. 



N. B. Acardo crustularius, Lam. 1801, ^. M. 173. f. 1, 2, ispart of 

 the vertebra of a wbale : this bone has also been described as Alcy- 

 onimn paniceum, Lam. Hist. ii. 400. n. 31. 



Tylodinana. 



324. Tylodina, Rafinesą.; Blainv. 1825; Philippi, 1836, Joannis. 

 Tylod. pimctata. 



Pleurobranchiana. 



325. Pleurobrancbus, Cuvier. PI. Peronii. 



Lamellaria b, sp. Montag. Oscanius, Leach MSS. 1819. Pleuro- 



branchus, Flein. Bulla membranacea, Montag. 

 Discoides, Renieri. 



326. Berthella, Blainv. 1825. Cleanthus, Leach MSS. 1819. La- 

 mellaria b, sp. Montag. Pleurobranchus, sp. Flem. " Laminaria, 

 Gray," Desh. Bulla plumula. 



Pleurobranchus, sp. Cuv. PI. luniceps. 



327. Pleurobrancbsea, Leve, 1813; Cuv. 1817. Pleurobranchus, 

 0/ce?j, 1815. Cyanogaster, Rudolphi. Pleurobranchaena, .Szt'ams. 

 1830,361. Pleurobranchidium, ^te'Ht). 1825; Ferawy. Pleur. 

 Meckelii. 



328. Posteobranchus, D'Orb. 1837. Posteriobranchus, Grag. Post. 

 maculatus. 



329. ?Westemia, Quoį/ ^ Gaim. ; Rang, 1829. 



330. ? Gervisia, Quoy ^ Gaim. ; Rang, 1829. 



Fam. IV. PTEROTRACHEIDiE. 



331. Anops, B'Orb. 1835. Anops Peronii. 



332. Pterotrachea, Forsk. 1775 ; Brng., Cuvier. Pterot. coronata. 

 Firola, Peron ^- Lesueur, 1810 ; Rang, D'Orb. Fir. Quoyiana. 

 ? Hyptere, Rajinesąue. 



Firoloide, Lesueur. Fir. Desmarestiana. 



