REPORT ON THE HETEROPODA. 
15 
Pterotrachea mutica (Lesueur). 
1817. 
1817. 
1818. 
1820. 
1841. 
1844. 
1853. 
1854. 
1855. 
1855. 
1856. 
1866. 
1876. 
1883. 
Firola mutica , Lesueur, Journ. Acad. Nat. Sci. Philad., vol. i. p. 6, pi. i. fig. 1. 
„ „ id.. Bull. Soc. Philom. Paris, p. 159. 
„ ,, Oken, Isis, p. 1559. 
Pterotrachea mutica, Blainville, Diet. d. Sci. Nat., vol. xvii. p. 66. 
Firola mutica, Cantraine, Mai. Medit., p. 44. 
Pterotrachea mutica, Philippi, Enuru. Moll. Sicil., vol. ii. p. 204. 
Firola mutica, Yerany, Journ. de Conchyl., vol. iv. p. 381. 
,, „ Leuckart, Zool. Untersuch., Heft. iii. pp. 3-68, pi. i, 
Pterotrachea mutica, H. and A. Adams, Gen. Moll., vol. ii. p. 94. 
„ ,, Gegenbaur, Untersuch. Pterop. und Heterop., p. 215. 
,, „ Troschel, Gebiss d. Sclmeck., vol. i. p. 45, pi. ii. figs. 13, 13a. 
„ ,, Keferstein, in Bronn’s Thierreich, vol. iiL pt. 2, p. 69, fig. 1 ; 
pi. lxx. fig. 1. 
„ ,, Fol, Arch. d. Zool. Exper., voL v. p. 107, pi. iv. figs. 4-8 (Develop- 
ment). 
„ „ Lankester, Ency. Brit, voL xvi p. 654, fig. 51 (copy of Keferstein 
reversed). 
Habitat. — Mediterranean (Lesueur). 
Pterotrachea rufa, Quoy and Gaimard. 
1824. Pterotrachea rufa, Quoy and Gaimard, Voy. “Uranie” et la “ Physicienne,” Zoo!., p. 491, 
pL lxxxvii. figs. 2, 3. 
1827. „ „ Oken, Isis, p. 1016. 
1833. „ „ Oken, Isis, p. 187, pi. vi. figs. 2, 3 (reversed copy of Quoy and 
Gaimard). 
1855. „ „ H. and A. Adams, Gen. Moll., vol. ii. p. 94. 
Habitat. — Indian Ocean (Quoy and Gaimard). 
Pterotrachea lesueuri , Risso. 
1826. Pterotrachea lesueri, Risso, Hist. nat. Europ., vol. iv. p. 29, pi. ii. fig. 14. 
1850. „ „ Gray, Fig. Moll. Anim., pi. clix. fig. 4 (copy of Risso). 
1855. „ ,, H. and A. Adams, Gen. Moll, vol. ii. p. 94. 
Habitat. — Mediterranean. 
Pterotrachea adamastor, Lesson. 
1830. Pterotrachea adamastor, Lesson, Yoy. “ Coquille,” Zool., vol. ii. p. 249, pi. iii. fig. 1 , c/.n. 
1850. „ coronata, Gray, Fig. Moll. Anim., vol. iv. p. 100, pi. clvi. fig. 1 (copy of 
Lesson, reduced). 
1855. „ adamastor, Kiister, Conch. Cab., Heteropoda, pi. i. fig. 3 (copy of Lesson). 
Habitat. — Near the Cape of Good Hope (Lesson). 
