VOLUTINS. 



317 



short, sometimes nearly 

 obsoleta. {Jig. 81. h.) 



diadema. En. M. S88. f. 2. 



armata. lb. 388. f. 1. 



tessellata. Mart. f. 781. 



iEthioplca. En. M. 388. f. 3. 



melo. lb. 389. f. 1. 



Neptuni. lb. 386. f. 1. 



Cymbium. lb. f. 3. 



proboscidalis. lb. 389. f. 2. 



Olla. lb. 385. f. 2. 



rubiginosa. Ex. Conch. 28. 



porcina. En. M. 386. f. 2. 



2. Muriciform type. Shell 

 heavy, less ventricose, co- 

 ronated with cylindrical 

 or vaulted spines ; spire 

 more produced. 



marmorata. Ex. Conch, pi. I. 

 chrysostoma. lb. pi. 45. 

 imperialis. En. Meth.382. 1. 



3. Stromhiform type. Outer 

 lip dilated, and angulated 

 above. 



scapha. En. Meth. 391. 

 Exotic Conchology, pi. 48. 



4. Ancilliform type. Aper- 

 ture very wide ; spire 

 pointed. 



angulata Sw. Ex. Conch, 

 pi. 3, 4. 



5. Marginellifomi '' type. 

 Shell partially polished ; 

 ventricose. 



magnifica. Chem. 174, 175. 

 fulgetrum. Sow. Tank. C. 



Cymbiola Sw. Spire more produced, but not more 

 than half as long as the aperture ; the terminal whorls 



regular and sculptured ; 

 {fig. 81. «.) 



1. Type 9 Ancilla. En. Meth. 



385. f. 3. 

 magellanica. lb. f. 1. 



2. Vespertiiio. En. M^th. 



378. f. 2. 

 nivosa. Ex. Conch, pi. 5. 



plaits on the pillar four. 



pacifica. Chem. 178. f. 1713, 

 1714. Ex. Conch, pi. 14. 

 festiva. ? Lam. No. 42. 



3. Mitis. Ex. Conch, pi. 40. 



4. Braziliana. Chem. 176. 



f. 1695, 1696. 



Harpula Sw. Spire developed as in 

 the last, but the tip is generally more 

 slender, and the plaits are numerous. 



1. Vexillum. En. Meth. 331. f. 1. {fig. 82.) 

 Lapponica. lb. 381. f. 3. 



2. Hebra?a. En. Meth. 380. f. 2. 

 musica. lb. 380. f. 1. 

 thiarella. lb. 380. f. 2. 

 carneolata. Mart. 96. 930. 

 Guiniaca. Chem. 178. f. 



1717, 1718. 

 laevigata. En. Meth. 379. f. 2. 

 polyzonalis. lb. 379. f. 1. 



fulva. En. Meth. 382. f. 3 

 sulcata. Chem. 149. f. 1403. 

 nodulosa. Lam. No. 31. 



