HELICINA. 295 



253. carinifera, Sowb., (('. 431.) — Striata, oequaliter depressa. 

 — Striated, equally depressed. 



254. gratulata, BL, (f. 457.) — Anf. supra; subinflatis. — 



\\ liorls slightly inflated above. 



255. carinata, Orl., (f. 423, 424.)— Quaui sp. 246 angus- 

 tior, magis quadrata. — More square and narrower than sp. 217. 



25(5. TF.CTA, Shy., (f. 434.) — Subdeprcssa, augulata, straminea, 

 rubro seriatim maeulata, infra striata, supra distanter lirata, medio 

 acute carinata; col. subangulata; labro vix angulato. — Subde- 

 pressed, angular, straw-coloured with rows of red spots, striated 

 beneath, distantly ridged above; outer lip scarcely angulated; colu- 

 mella slightly angular. 



257. aruana, Pfr., (f. 435.) — Superne spiraliter sulcata, ob- 

 lique striata. — Spirally grooved and obliquely striated above. 



25S. Kosali/E, Pfr., (f. 436.) — Carina supra suturam elevalfi. 

 — Keel raised above the suture. 



259. oxyruyxcha, Pfr., (f. 421.) — A.urantia, spirit conica, 



labro in rostrum producto. — Orange, spire conical, outer lip pro- 

 duced into a beak. 



260. acvtissima, Sbi/., (f. 437-439.) — Depressa, acutissime 

 carinata. — Depressed, very acutely carinated. This species is 

 subject to great variation as to comparative elevation and de- 

 pression. 



261. trochiformis, Sbj/., (f. 440.) — Perelevata, labro superne 

 sinuatim depresso. — Much raised, outer lip sinuously depressed 

 above. 



262. oxytropis, Sbg., (f. 443.) — Labro medio acuminato. — 

 Outer lip acuminated in the centre. 



263. Carocolla, Mot., (f. 441, 442.)— Valde depressa, lata; 

 labro late reflexo, acuminate — Much depressed, wide; outer lip 

 widely reflected, acuminated. 



264. agglutinans, Sby., (f. 446, 447.) — Molluscum rupium 

 pulvere agglutinato carinam fimbriatam ad testam formans. — 

 The mollusk forms a fringed keel to its shell with the agglutinated 

 powder of rocks. 



265. Lazarus, Sby., (f. 444, 445.)— Quam sp. 259 magis 

 trochiformis. — More trochiform than sp. 259. 



266. Mocuoti, Pfr., (f. 448.) —Carina laqueatA.— Keel fluted. 



