LITTORINA. 583 
: : III. MeLaruapue, Megerle. 
9. Littorina ziczac. 
Cochlea sublivida, nigris lineis undatis, Lister, Hist. Conch. iv. t. 583. fig. 38 (1688) *. 
Trochus ziczak, Gmelin, Linn. Syst. Nat. ed. 18, p. 3587°; Chemnitz, Syst. Conch.-Cab. v. p. 69, 
t. 166. fig. 1599 *, 
Litorina ziczac, Pfeiffer, Krit. Register zu Martini & Chemnitz, p. 40 (1840) +; Philippi, Abbild. 
neuer Conch. ii. p. 162, t. 3. figg. 18, 14°; d’Orbigny, in Sagra’s Hist. fis. polit. y nat. de 
Cuba, Mol. p. 114, t. 15. figg. 5, 7, 8°; Morch, Malak. Blatt. xxiii. p- 137 (1876) ’; 
Kiister, in Martini & Chemnitz, Syst. Conch.-Cab. ed. 2, Litorina, p. 22, t. 3. figg. 9-11°; 
Reeve, Conch. Icon. x., Litorina, t. 11. fig. 57 a, 6°. 
Littorina ziczac, light-coloured, larger variety, Tryon, Manual of Conch. ix. p. 251, t. 45. fig. 5 
(copied from Reeve) *. 
Phasianella lineata, Lamarck, Hist. Nat. des Anim. sans Vert. éd. 1, vil. p. 57”; éd. 2, par 
Deshayes, ix. p. 243“; Delessert, Recueil de Coquilles de Lamarck, t. 37. fig. 11. 
Nearly smooth, impressed spiral lines only to be seen under a strong lens in the lower part above the very 
_ obtuse basal angle; of larger size and of fuller rounded shape than Z. lineata. 
Hab. BK. Costa Rica: Puerto Limon (Biolley). 
Common in the West-Indian Islands: Cuba (Otto, d’Orbigny2, Gundlach), Jamaica 
(Lister+), Haiti (v. Maltzan), St. Thomas (Gollmer & Verkriizen), St. Croix 
(Girsted, Riise), Guadaloupe (Beau), Martinique (de Candé *), Barbados (Lister 1). 
Occurs also on the northern coast of South America: Puerto Cabello, Venezuela 
(Zams & Moritz), and in the Bermudas (Z’ristram, 1861). 
Littorina orbignyana, Philippi [loc. cit. p. 162, t. 3. fig. 12; L. zigzag, dOrbigny, 
loc. cit. fig. 6], from Cuba, is probably an individual variation with a little more 
distinct spiral lines. 
10. Littorina lineata. 
Trochus ziczac, var., Chemnitz, Syst. Conch.-Cab. v. p. 69 (part.), t. 166. fig. 1600 (not 1599) '. 
Trochus ziczak, 8, Gmelin, Linn. Syst. Nat. ed. 13, p. 3587”. 
Littorina lineata, d’Orbigny, in Sagra’s Hist. fis. polit. y nat. de Cuba, Mol. p. 113, t. 14. 
figg. 24, 27°; Philippi, Abbild. neuer Conch. 11. p. 163, t. 3. fig. 18°; Kiister, in Martini 
& Chemnitz, Syst. Conch.-Cab. ed. 2, Litorina, p. 23, t. 3. figg. 12-15 ° [nec lineata, Lam. 
(Phasianella), nec lineata, Gmelin (Buccinum) }. 
Littorina floccosa (Beck), Mérch, Malak. Blatt. xxii. p. 138 (1876) °. 
Oblong-conical, greyish, with oblique dark brown or blackish streaks ; distinctly furrowed spirally. 
Hab. E. Mexico: Vera Cruz (Uhde, in Mus. Berol.); Mexican Gulf, without nearer 
indication of locality (Deppe, in Mus. Berol.). 
£. Cosra Rica: Puerto Limon (Biolley). 
‘Occurs also in the West-Indian Islands: Cuba (d’Orbigny 3, Otto), St. Thomas (Riise, 
Crsted, Krebs, Gollmer, Verkriizen), Guadaloupe (Beau), and Martinique 
(de Candé *) ; and on the coast of. Venezuela, at Puerto Cabello (Zams, in coll. 
Dunker ; Gollmer, in Mus. Berol.). 
