112 



UNIVALVES. TURBO. 



Diadema — Diadem. 

 Cinereus — Ashy-colored. 

 Carinatus — Keeled. 

 Afer — African. 

 Planorbis — Smooth. 



Marginellus — Reflected-lip. 

 Helicoides — Zigzag. 

 Foliaceus — Leafy. 

 Anguis — Mackerel. 

 Porphyrites — Porphyry. 



S maragdus — Emerald. 



D. — Cancellated. 



Crenellus — Crenated-strite. 

 Thermalis — Fresh-water. 

 Scalaris — Wentle-trap. 

 *Clathrus — False Wentle Trap. 

 *Tuberculatus — Tuberculated. 

 Ambiguus — Doubtful. 

 Crenatus — Crenated. 

 Lacteus — Milky. 

 Stria tulus — Wrinkled. 



Uva — Berry. 

 Corneus — Horny. 

 Lincina — Green and Purple. 

 Lunulatus — Moon -spotted. 

 Labeo — White-lipped. 

 *Striatus — Striated. 

 Reflex us — Reflected. 

 Dubius — Dubious. 

 Limbatus — Shouldered. 



E. — Tapering. 



Imbricatus — Imbricated. 

 Replicatus — Large. 

 Acutangulus — Press Screw. 

 *Duplicatus — Double-rihbed. 

 *Cinctus or Exoletus — Ribbed 



\_Screw. 

 *Terebra — Tambour Needle. 

 *Lgevis — Smooth. 

 *Albus — White. 

 Variegatus — Variegated. 

 Ungulinus — Uncertain. 

 Crystallinus — Crystalline. 

 Albulus — Whitish. 

 Annulatus — Ringed. 

 *Bidens — Double-toothed. 

 *Perversus — Reversed. 



Fusulus — Little Spindle. 

 Fusus — Spindle. 

 S ulcatus — Grooved. 

 Quadridens — Four-toothed. 

 Tridens — Three-toothed. 

 *Muscorum — MoSs. 

 *Ulvse — Sea-weed. 

 *Trifasciatus — Three-banded. 

 *Membranaceus — Membranous. 

 *Interruptus — Streaked, 

 * S ubrufus — Reddish. 

 *Strigatus — Three-ridged. 

 *k\h\A.\xs— White. 

 *Carinatulus — Carinated. 

 *Clathratulus — Latticed, 

 *Crassu8 — Thick, 



