F. gaimardi (d'Orbigny) 45 



F. gracilis (Troschel) 46 



F. lesueuri (d'Orbigny) 44 



F. lesueuri Souleyet 45 



F. kowalewskyi Vayssiere 47, 93 



F. vigilans (Troschel) 46 



F. sp. Macdonald 46 



F. sp. Rattray 47 



„Helicophlegma candei" d'Orbigny. . . . 6, 50 



„Monophora cylindracea" Quoy et Gaimard . 28 



Oxygyrus Benson 4, 49 



O. inflatus Benson 5 



O. keraudreni Rang 5» 49 



O. rangi Souleyet 5» 49 



O. n. sp. Macdonald 5, 49 



Pterosoma Lesson 21 



Pt. plana Lesson 21 



Pt. challengeri n. sp 22 



Pterotrachea Forskäl 29, 81 



Pt. s. s 83, 84 



Pt. aculeata Forskäl 40 



Pt. adamastor Lesson 40 



Pt. (Hypterus)appendiculatusRafinesque-Schmaltz. 40 



Pt. challengeri n. sp 84 



Pt. coronata Forskäl 31 



Pt. cuviera (Lesueur) 32 



Pt. edwardsi (Deshayes) 37 



Pt. (Hypterus) erythrogaster Rafinesque-Schmaltz. 40 



Pt. forskalia (Lesueur) 34 



Pt. frederica (Lesueur) 33 



Pt. frederici (Blainville) 33 



Pt. friderici(ana) delle Chiaje 33 



Pt. fredericia Cantraine 33 



Pt. gegenbauri (Vayssiere) 39 



Pt. gibbosa (Lesueur) 33 



Pt. hippocampus Philippi 36 



Pt. hippocampus Vayssiere 36 



Pt. hyalina Forskäl 40 



Pt. hyalina (cristallina) delle Chiaje .... 40 



Pt. intermedia n. sp 86 



Pt. keraudrer» Souleyet 37 



Pt. („Firoloides") keraudreni) Rattray. ... 40 



Pt. lesueuri Risso 35 



Pt. lesueuri Macdonald 35 



Pt. microptera n. sp 87 



Pt. (Euryops) mutabilis n. sp 88 



Pt. mutica (Lesueur) 34 



Pt. mutica Cantraine 34 



Pt. mutica (Vayssiere) 34 



Pt. (Euryops) orthophthalmus n. sp 89 



Pt. peronia (Lesueur) 32 



Pt. („Anops") peroni d'Orbigny 40 



Pt. pulmonata Forskäl 40 



Pt. quoyana (d'Orbigny) 36 



Pt. rufa Quoy et Gaimard 35 



Pt. scutata Gegenbaur 38 



Pt. souleyeti Vayssiere 39 



Pt. sp. Cuvier 28 



Pt. sp. Smith 38, 84 



Pt. („Anops") sp. Rattray 40 



Pt. sp. Gray 40 



Pt. (Euryops) xenoptera n. sp 88 



Pt. talismani (Vayssiere) 39 



Pt. umbilicata delle Chiaje t>7 



Pterotracheidae 28,81,96 



„Timorienna firoloides" Quoy et Gaimard . . 28 



