.o 



1797. Rhcda Ilumplireys, Museum Calonnianum. 



1801. Hyalaca Lamarck, Système des anim. sans vertèbrcs, p. 139. 



18 10. Archonta Dcnis de Montfort, Conchyliologic Systematique, vol. II, p. 50. 



1815. Tricla Okcn, Lchrbuch der Zoölogie, vol. I, p. 327. 



1825. Flcuropiis Eschscholtz, Bericht über die Zoologische Ausbcutc wahrcnd der Reise von 



Cronstadt bis St.-Petcr und Paul, Oken, Isis, Rd. I, p. 735. 

 1842. Diacria Gray, Synopsis of the contents of the British Museum. 

 1S59. Orbignvia A. Adams, On synonyms and habitats of Cai'olmui, Diacria and Plcttropiis, 



Ann. and Mag. Nat. Hist., ser. III, vol. 3, p. 45. 



Subgeniis Diacria Gray. 



Hyalaca (pari.) ^Vuctorum. 



Pli'iiropus (part.) Auctorum. 

 1850. Diacria (part.) Gray, Catalogue of the Mollusca in the collection of the British Museum, 



prt. II, Pteropoda, p. 10. 

 1886. Hyalaca, A. Boas, Spolia atlantica, Bidrag, etc, p. 91. 



1888. Diacria Pelseneer, Chall. Rep. LXVI, p. 21. 



I. Cavolinia (Diacria) trispinosa (Lesueur). 



1821. Hyalaca trispinosa Lesueur, in: DE Blainville, Dict. d. Sci. Nat., vol. XXII, p. 82. 

 1827. Hyalaea inucronata Quoy et Gaimard, Observations zoölogiques faites a bord de 



l'Astrolabe, etc, Ann. d. Sci. Nat., sér. i, vol. X, p. 231, pi. VII ^, figs. 1—2. 

 1832. Hvalaea dcprcssa Bivona, Descrizione di una nuova specie di Jale, etc, Efemeride 



scientifiche e litterarie per la Sicilia, p. 57, pi. I, .figs. 4 — 5. 

 1841. Hvalaea cuspidata Delle Chiaje, Descrizione e notomia degli animali senza vertebre 



del Regno di Napoli, pi. CLXXX, figs. i — 2. 

 1850. Diacria trispinosa Gray, Catal. of the Moll. in the Coll. British Museum, prt. II, 



Pteropoda, p. 10. 

 1850. Diacria inucronata Gray, Ibid., p. 11. 



1853. Hyalaea reeviana Dunker, Index Molluscorum, etc, p. 2, pi. I, figs. 17 — 20. 

 1858. Pleuropus trispinosus A. and H. Adams, The Genera of recent Mollusca, vol. II, p. 611. 

 1858. Pleuropus viucronatus A. and H. Adams. Ibid. 

 1879. Pleuropus trispinosa Pfeffer, Uebersicht der auf S. M. Schift" "Gazelle", etc, Monatsber. 



Berl. Akad., 1879, p. 236, fig. 6. 

 1886. Cavolinia trispinosa Locard, Prodrome de conch>-liologie frangaise, p. 22. 



1889. Cavolinia (Diacria) trispinosa Dall, in Bullet. U. S. Nat. Museum, XXXVH, p. 82, 



pi. LXVI, fig. 115. 



Empty shells: 



io°22'.7 S., i23°i6'.5E. 2 spec. 



o°34'.6N., 119° 8'. 5 E. 2 spec. 



5°43'.5 N., II 9° 40' E. 4 spec 



6° 11' N., I20°37'.5E. I spec. 



6° 4'.i N., 120° 44' E. 4 spec. 



5°4o'.7 S., 120° 45'. 5 E. 2 spec. 



6° 24' S., 124° 39' E. 5 spec. 



Stat. 300. io°48'.6 S., 123° 23'.! E. i spec. 



The fiist name cannot be used, as the title Anomia had been already given to quite other animals: the name Gioinia never occurs again. 

 I have unfüitunately not been able to see the paper of GioËNi, and I can only mention the title on the authority of de Blainville 

 (Dict. d. Sci. Nat. vol. XXII, p. 65, note) and Soulevet (Hist. nat. Ptérop. p. 33, note l). But if really GloËNl has used this title, it 

 has the pviority over Cavolina. 



