PUSTA. 183 



synonyms arc T. carea, Reeve (tig. nOO), reported by Beau from 

 (fuadeloupe, \V. 1.; 7'. AdnniHi^Dohvn (lig. 5H1), described from 

 :i worn spt'ciincii ; 7'. juiIcJn'lla, Keeve, (fig. 5(52) ; T. pisolina, 

 Lam. (lig. oOB) ; 7'. ansiila/n, Sowb. (fig. .564) ; nnd T. hit^h-io, 

 Heeve (lig. 5(15), a brilliantly colored form. 



Var. coNSANGUiNEA, Reeve, fig. 5()(). 



Orange to brown, with a revolving row oi' white spots, and 

 scattered spots on the base and spire. Length, "75 inch. 



It varies considerably in the length of the spire. It is fre- 

 (piently confounded, says Mr. Garrett, with T. dermedina, with 

 which it is very closely allied. 

 T. Tatei, Angas. PI. 54, fig. 5(57. 



Yellowish brown, with two chocolate l)ands. Length, 3 inches. 



So. Australia. 

 T. MiCROZONiAS, Lam. 1*1. 54, figs. 508, 5(5i>. 



Dark chestnut or chocolate-brown, with a row of white spots 

 on the ribs at the periphery, forming an interrupted band or 

 necklace ; sometimes an inferior nnrrow Ijand. 



Length, •5-75 inch. 



West Indies ; Polynesia. 



Miirch, Krebs and Swift report it from the West Indies, 

 Cuming and Garrett from Polynesia ; specimens from both local- 

 ities before me are precisely similar. The species is distinguished 

 with difficulty from varieties of T. dermestina, and will, I tliiidv, 

 prove to 1)6 S3-nonymous with it. 



T. CxEMMAta, Sowb. PI. 58, fig. (TSS. 



Brown, usually slightly angular above the middle ; ribs distinct 

 on and above the angle, becoming obsolete below it ; angle witJi 



a band of white spots, Ijcngth, 8-10 mill. 



Habitat uttknoirn. 

 Three good specimens are before me ; with the general char- 

 acter of M. viicrozonias, they have a much narrower form. 



T. tardalts, Kiister. PL 54, figs. .573-575. 



Yellowish to chocolate-brown, with an interrupted or con- 

 Uuent white band composed of irregular spots ; the tops of the 

 longitudinal ribs lighter in color, sometimes white. 



Length, -6 inch. 



Med Sea ; Philippines ; Mauritius ; Polynesia, on coral reefs. 



