372 THE VOYAGE OF H.M.S. CHALLENGER. 



Genus 736. Angela, Lesson (3, p. 496). 



229. Angela cytherea, Less. (3, p. 496, pi. ix. fig. 1). Tropical Atlantic (?). 



Family XXIV. PhysalidjE, Brdt. (25, p. 36). 



Subfamily 1. Arethusid/E, Hkl. (Report, p. 347). 



Genus 74«. Aloplwta, Brdt. (25, p. 37). 



230. Alophota giltschiana, Hkl. (Report, p. 348, PI. XXVI. figs. 1-3). North Atlantic. 



231. Alophota olfersii, Brdt. (25, p. 37). Tropical Atlantic. 



232. Alophota mertensii, Hkl. (Morph. Siphon.). Indian Ocean. 



Genus 746. Arethusa, Hkl. (Report, p. 349). 



233. Arethusa challenged., Hkl. (Report, p. 349, PI. XXVI. figs. 4-8). North Atlantic, Station 354. 



234. Arethusa thalia, Hkl. (Morph. Siphon.). Indian Ocean (?). 



Subfamily 2. CauavelliDjE, Hkl. (Report, p. 347). 

 Genus 75a. Physalia, Lamk. (90, torn. ii. p. 480). 



235. Physalia pelagica, Bosc (Eyshdt., 77, p. 45, Tab. xxxv. fig. 2). South Atlantic. 



236. Physalia comuta, Til. (76, p. 42, Tab. i. figs. 15, 16). Indian Ocean (?). 



237. Physalia utriculus, Esch. (1, p. 163, Taf. xiv. figs. 2, 3). Tropical and Subtropical Pacific. 



238. Physalia megalista, Lamk. (Peron, 14, pi. xxix. fig. 1), Mertens (?). South Atlantic and Indian 



Ocean. 



Genus 756. Caravclla, Hkl. (Report, p. 351). 



239. Garavella gigantca, Hkl. ( = Physalia cystisoma, Lesson, partim ; —Physalia gigantca, Bory ; 



Postels et Mertens, Icon.). Tropical and Southern Atlantic. 



240. Caravella maxima, Hkl. (= Physalia caravclla, Esch., 1, Taf. xiv. fig. 1; = Physalia arethusa, 



Olfers, 79, Taf. i., ii.; L. Agassiz, 36, pi. xxxv.). Tropical and Northern Atlantic. 



