404 MAZATLAK tTNIVAlVES 



[478. CONUS AEENATTTS, Bnig. 



Diet. no. 16. — Dillw. Descr. Cat. vol. i. p. 400, no. 83. — Bve. 



Conch. Ic. pi. 17, f. 92. — Lam. An. s. Vert. vol. xi. p. 22, 



no. 18. 

 For other references, v. Desk, in loc. 



One extremely -vrorn specimen of this weU-known E. Indian 

 shell, was found in the Cone box. It probably came in ballast. 

 It measures 1 '98 by I'l. 



Sab. — Ceylon and Philippines, auct. — Mazatlan ; 1 dead sp. ; 

 L'pool Col. 



Tablet 1926 contains th.e specimen.] 



479. CoKtTS PTTNCTICrLATUS, HwjX^S, 



Encycl. Meth. Vers. i. pt. 2, p. lO^.—Rve. Conch. Ic. pi. 20, 



sp. 116. — Kiist. Mart. p. 41, no. 28, pi. 6. f. 8. — Kien. Icon. 



Conch, p. 172, no. 146, pi. 60, f. 1. — Lam. An. s. Yert. vol. xi. 



p. 85, no. 114, var. h. — Mke. in Zeit. f. Mai. 1851, p. 23, 



no. 98. 

 Chelyconus (Leptoconus) pimcticulatus, H. Sf A. Ad. Gen. i. 254. 



Lam. gives this name as of Brug. and quotes it from China. 

 Tliere is a closely allied E. Indian species, differing priacipaUy 

 in having white between the dots on -the spiral lines. The 

 Mazatlan shell is more or less swollen, with nodulous spiral 

 lines near the base ; inside lavender. The epidermis is thin, 

 nearly smooth, adherent. — The operculum outside is concave, 

 with regular lines of growth ; the muscular scar displaj-s a 

 few strong, angular ridges of growth. The largest specimen 

 measures long. 1"3, long. spir. "25, lat. "82, div. 110°. 



A broad sp. „ 1-2, „ '23, „ "78, „ 110". 



An elongated sp. „ 1-28, „ '3, „ "72, „ 90". 



Hab. — Salango and St. Elena ; sandy mud, 5 — 9 fm. ; Cuming. — 

 Mazatlan ; rare ; L'pool Col. 



Tablet 1927 contains 3 sp. normal state. — 1928, 3 sp. with 

 red-brown patches small. — 1929, 1 sp. patches diffused, resem- 

 bling the young of C. purpurascens. — 1930, 3 sp. slender form. — 

 1931, 3 sp. stout form. — 1932, 2 sp. after hot acid, shewing 

 colour. — 1933, 4 sp. mended after severe fracture ; ia one the 

 canal is twisted to the right, occupj'iag the place of the ante- 

 rior sinus in Strombus. — 1934, 1 operculum. 



