IREDALE & O'dONOGHDE : BRITISH NUDIBRANCHIATE MOLLUSCA. 233 



Limax, 195, 200-1, 207, 212-13, 



220. 

 Liriope, 230. 

 Lomanotidce, 215. 

 Lomanotus, 215. 

 Melibcsa, 211. 

 Miranda, 218. 

 Montagua, 204. 

 Necromantes, 230. 

 Notarchus, 198. 

 Nudihranchia, 197. 

 Oicodes'pina, 219. 

 Oithona, 212. 

 Oyfcema, 197, 217, 218. 

 OkeniidcE, 217. 

 OnchidoridcB, 219. 

 Onchidoris, 219-21. 

 Onchidorus, 197, 219, 221. 

 PaZio, 223. 



PhanerohranchiatcB, 217. 

 Phyllidia, 195. 

 Placida, 200. 

 Platydoris, 195, 197, 228. 

 Pleurophyllidia, 197, 217. 

 Pleuropus, 214. 

 Policere, 224. 

 Polycera, 218, 223-6 

 Pontolimax, 198. 



Proctapona, 219. 

 Proctonoius, 197, 213-14. 

 Psiloceros, 207. 

 Pterochilus, 206, 207. 

 Rhabdochila, 227. 

 Rhyzohranchus, 198, 199. 

 • Rostanga, 197, 227. 

 Sacoglossa, 200. 

 Scyllcea, 211, 214. 

 ScyllceidcB, 214. 

 SphcBTOstoma, 197, 229, 230. 

 Spurilla, 201. 

 Staurodoris, 197, 229. 

 Stiliger, 199. 

 StiligeridoBi 199. 

 Tenellia, 231. 

 Tergipes, 207, 225. 

 Thecacera, 224. 

 Themisto, 223. 

 Tno^a, 197, 223, 225. 

 Tritonia, 195, 197, 206, 214-16, 



225, 229, 230, 231. 

 Venilia, 214. 

 Villiersia, 219. 

 Zephyrina, 197, 213-14. 

 ZephyrinidcB, 213. 

 ZonabranchiatcB, 229. 



VOL. XV. — JUNE, 1923. 



16 



