CERITHIUM. 129 



C. caudatam, Sowb. (figs. 69, 70), is a synonym ; Morch makes of it 

 a var. tenuis. I think that the unfigured C. Florldamim, Morch, 

 may also be referred here, 



C. EBURNEUM, Brug. PI. 22, figs, 61, 71-75, 77-80. 



Shell gi-anose or tuberculated, one row of tubercles stronger, 

 forming an angle on the middle of the spire whorls ; between the 

 tubercles are sjDiral fine strijie, finely spotted with chestnut or choco- 

 late ; sometimes the whole shell is pure white ; there are generally 

 occasional varices ; interior of aperture marked like the exterior. 



Length, 1 in. ' 



Florida, West Indies. 



The synonyms are C. semiferrugineum of Morch (Yoldi Cat.) 

 = var. solida, Morch, C umbonatmn, Sowb. (fig. 62), C. Novce- 

 Hihernice, A. Ad. (figs. 73, 74), said, notwithstanding its name, to 

 come from Florida, C. fenestratum, Sowb. (fig, 75), C graciliforme, 

 Sowb. (fig. 77), C. pidicarium, Phil. (fig. 77a), C. striatlssimwn, Sowb. 

 (figs. 78, 79), and ? C. planispiratum, Sowb. (fig. 80). 



C. ALGicoLA, C. B. Adanw. PI. 22, figs. 82, 81. 



Closely, longitudinally plicate, crossed by sj^iral striae, forming 



small tubercles, whorls concavely shouldered ; white, variegated with 



fulvous. Length, 20 mill. 



West Indies. 



I am not acquainted with this species. Morch refers to it doubt- 

 ftdly, C. punctulatum, Gmel., C. litteratum, var. parva, of Kiener, 

 and he adds vars. vlttata and tenuis. C. lentiginosmn, Sowb. (fig. 

 81), appears to be very like this species; it is described without 

 locality. 

 C. MUNiTUM, Sowb. PI. 23, figs. 82-84. 



Whorls flattened, varicose, with rude longitudinal plaits, crossed 

 by spiral costulations, two spiral rows on the middle of the body 

 whorl, strongly tuberculated ; yellowish white, stained and lined 



with light chestnut. Length, 1 in. 



Phiiijjpmes, Viti Islands. 

 Reeve's locality " Mediterranean " and his reference to Philippi as 

 authority are erroneous. With this species I unite as a synonym C 

 pymmidatnm, Hombr. et Jacq. (fig. 84), a name preoccupied by 

 Deshayes for a fossil species, and changed to C. proditum by Bayle^ 

 and which the latter author, having previously used this specific 

 name in the same paper to designate another species, finally changed 



to C. Audouini. 

 9 



