HARP A. 99 



H. ROSEA, Lam. PL 40, fios. 66, 6T. 



Ribs flat, irregular, sometimes very broad, sometimes narrow; 

 ribs banded, interstices festooned, with three interrupted bands 

 of rose-red blotches. Length, l-'75-2-*75 inches. 



Guinea, Senegal. 

 H, NOBiLis, Lam. PL 41, rig. 68. 



Ovate, rather ventricose, grayish pink, painted between the 

 ribs with chestnut and white articulations or festoons, and three 

 interrupted bands of purple-crimson blotches ; ribs rather Avide, 

 crossed by bands of black narrow lines. Length, l*t5-2'5 inches. 



Indian Ocean, Philippines, Viti Islands. 



Distinguished at once from H. I'osea by the revolving black 

 lines on the ribs. 



H. MINOR, Lam. PL 41, ligs. 69-72, 78. 



Shell ovately oblong, obtusely angulated above; gray festooned 

 with chocolate and white ; ribs moderately narrow, rather distant, 

 crossed by bhick lines, usually arranged in pairs. 



Length, 1*5-2 inches. 



Indian Ocean, So. Africa, Madagascar, Viti Isles. 



H. crassa, Phil. (lig. 70), and H. .^olidula, A. Ad. (tig. 71), are 

 synonyms ; and I think that H. virgiuaUs, Gray (tig. 78), will 

 prove to be a faded or albino specimen of this species. 



H. GRACILIS, Hrod. and Sowb. PL 41, tig. 73. 



Shell elongately oblong, slender, thin, translucent ; whitish 

 delicately festooned with rose-color or rosy brown ; ribs rather 

 narrow, without spines at the shoulder, crossed by thread-like 

 rose or chestnut lines, usually in pairs. Length, P5 inches. 



Polynesia. 



Distinguished at once by its form, thinness and rosy tinge. 



H. STRIATA, Lam. PL 41, tigs. 74-77. 



Shell inflated, the ribs narrow, low, not reflected, remote or 

 crowded, the interstices lightly festooned with chestnut on a light 

 yellowish ground ; whole surface covered with revolving close 



strii^. Length, 1*25 inches. 



3Iauritius. 



H. cancellata (Chemn.), Sowb. (flg. 75), and H. Cabritii, 



