UNIVALVES. — TROCHUS. 



105 



TROCHUS.— To/) Shell 



A. — Erect, with the pillar perforated. 



Niloticus — Marbled. 

 Maculatus — Spotted. 

 Perspectivus — Staircase. 

 H ybridus — Mongrel. 

 Cruciatus — Cross-rayed. 

 Pharaonis — Strawberry. 

 *Magus — Tuberculated. 

 Modulus — Keel-whirled. 

 Muricatus — Prickly. 

 Scaber — Rongh. 

 Yarius — Varied. 

 *Cinerariiis — Ashy colored. 

 Divaricatus — Divaricated. 



Cylindricus — Sub-conical. 

 Radiatus — Radiated. 

 Viridis — Green. 

 Rusticus — Rustic. 

 Nigerrimus — Black. 

 Fanulum — Pagoda. 

 Strigosus — Black-tipped. 

 Pyramis — Pyramidal. 

 Capensis — Cape. 

 ^gyptius — Egyptian. 

 Depressus — Depressed. 

 Laevigatus — Smooth. 

 Groenlandicus — Greenland. 



*Umbilicaris — Obliquely rayed. Roseus — Rose colored. 



Solaris — Golden Sun, 

 Tectum — Arch-lipped. 

 Conus — Conic. 

 Spinosus — Thorny. 

 Jujubinus — Mottled. 

 Alveare — Bee-hive. 

 Concavus — Concave. 

 Vernus — Green. 

 Conspersus — Poppy. 

 Tentorium — Pavilion. 

 Ochroleucus — Whitish brown. 

 S tellatus — Starred. 

 Spengleri — Splenger's. 

 Costatus — Ribbed. 

 Inaequalis — Unequal. 

 Regius — Royal. 

 Verrucosus — Warty. ■ 



Petholatus — Ttimid. 

 Viridulus — Greenish. 

 Urbanus — Purple striped. 

 Guineensis — Guinea. 

 Nodulus — Beaded. 

 Carneus — Flesh-colored. 

 *Tessellatus — Tessellated. 

 Croceus^Saffron-colored. 

 Obliquatus — Oblique-rayed. 

 Vittatus — Filleted. 

 Schroeteri — Shroeters'. 

 Indicus — Indian. 

 Infundibuliformis Fminel-shape. 

 Stramineois — Straw-colored. 

 Variegatus — Variegated. 

 Areola — Red square spotted. 

 Inermis — Short-spined. 



