17 



Linn, names. 



18 Zebra 



19 elongatus 



20 Smithii 



21 reticularis 



22 articulatus 



23 filosus 



24 Trochlea 



25 atratus 



26 obscurus 



27 Maugeri 



28 pictus 



29 formosus 



30 sequalis 



31 clangulus 



Engl, names. 

 Zebra 



lengthened 



Smith's 



blunt-tipped 



interrupted 



threaded 



Screw 



sombre 



doubtful 



war ted 



painted 



ornamented 



small, flattish 



Trumpet 



Synon. $ Ref. Habitat. 

 Br.M. u. 



32 Mediterraneus clouded 



33 callosus thick-skinned 



34 zonatus zoned 



35 concameratus dome-shaped 



36 viridis green, striped 



37 odontis Mulberry 



38 reticulatus reticulated 



Gray Cab. 



Mediterranean, 

 u. 



