404 MAZATLAN UNIVALVES 



[478. CONUS AEENATUS, Brug. 



Diet. no. IQ.Dillw. Descr. Cat. vol. i. p. 400, no. 83. Eve. 



Condi. Ic. pi. 17, f. 92. I Jim. An. s. Vert. vol. xi. p. 22, 



no. 18. 

 For other references, v. Desk, in loc. 



One extremely worn specimen of this well-known E. Indian 

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

 It measures 1 "98 by I'l. 

 Hob. Ceylon and Philippines, auct. Mazatlan ; 1 dead sp. ; 



L'pool Col. 



Tablet 1926 contains the specimen.] 



-4-- 479. CONUS PUNCTICULATUS, Hwass. 



Encycl. MetJi. Vers. i. pt. 2, p. 704. Eve. Conch. Ic. pi. 20, 



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



Conch, p. 172, no. 146, pi. 60, f. I. Lam. An. s. Vert. vol. xi. 



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



no. 98. 

 Chelyconus (Leptoconus) puncticulatus, H. fy A. Ad. Gen. i. 254. 



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

 There is a closely allied E. Indian species, differing principally 

 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 displays a 

 few strong, angular ridges of growth. The largest specimen 

 measures long. 1*3, long. spir. '25, lot. '82, div. 110. 



A broad sp. 1'2, '23, '78, 110. 



An elongated sp. 1'28, '3, '72, 90. 

 Sab. 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 ; in one the 

 canal is twisted to the right, occupying the place of the ante- 

 rior sinus in Strombus. 1934, 1 operculum. 



