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



Genus 73&. Angela, Lesson (3, p. 496). 



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



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



Subfamily 1. Arethusid.e, Hkl. (Report, p. 347). 



Genus 74«. Alophota, 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 ehallengeri, Hkl. (Report, p. 349, PL XXVI. figs. 4-8). North Atlantic, Station 354. 



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



Subfamily 2. Caravellid.e, 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 cornuta, 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. Caravclla gi;/" a /hi, Hkl. ( = Physalia cystisoma, Lesson, partim ; —Physalia gigantea, Bory ; 



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



240. Caravella maxima, Hkl. {=2 Physalia caravella, Esch., 1, Taf. xiv. fig. 1; =Physalia arethusa, 



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



