304 SHELLS AND SHELL-FISH. PART II. 



acute ; outer lip crenated ; base of the pillar with 

 one or two sharp folds, (fig. 72. d.) 

 F. tulipa. En.Meth. 431. f. 2. trapezium. Ib. 431. f. 3. 



PYRELLA Sw. Pyriform ; spire very short, papillary ; 

 channel lengthened; inner lip flattened, elevated, 

 smooth ; pillar with a single sharp fold at the base. 

 P. spirilla. Zool. 111. 1st series. En. Meth. 437. f. 4. 



CLAVILITHES Sw. Unequally fusiform, the body-whorl 

 and spire being conic, and the canal suddenly con- 

 tracted and attenuated ; terminal whorls papillary ; 

 inner lip thick; pillar smooth. Fossil only. (fig. 72. &.) 



longaevus. En. M. 425. f. 3. Noae. En. Meth. 425. f. 5. 

 clavellatus. Ib. f. 2. ponderosus Sw. Ib. f. 4. 



SUB-FAM. 2. SCOLYMIN^E. 



Spire more produced, the tip always acute; surface 

 rough ; canal short ; pillar plaited. 



PLICATELLA* Sw. Fusiform ; the spire produced ; pil- 

 lar with two or three obtuse, basal, transverse folds. 



polyzona. En. M. 423. f. 1. rustica. Mart. 120. f. 1104. 



cingulifera. Ib. 429. f. 1. triserialis. Lam. No. 21. 



carinifera. Ib. 423. f. 3. ocellata. Mart. 124. f. 1 160. 



infundibulum. Ib. 424. f. 2. variolosa. Lam. No. 22. 



craticulata. Ib. 429. f. 3. tuberculata. Grif.Cuv.30.f.3. 



lineata. Ib. 429. f. 4. turbinelloides. Ib. 25. f. 1. 



nassatula. Lam. No. 20. filosa. En. Meth. 429. f. 5. 



SCOLYMUS Sw. Sub-fusiform, armed with foliated 

 spires ; spire shorter ; pillar with distinct plaits in 

 the middle. 



cornigerus. Chem.f. 1725-6. capitellum. En. M6th. 431. 

 pugellaris. En. M. 401. Us*, 3. bis *, f. 4. 



globulus. Ib. f. 2. umbilicaris. Ib. f. 1. a c. 



rhinoceros. Chem. f. 1407-8. mitis. Lam. No. 10. p. 106. 

 ceramica. Mart. 99. f. 943. 



* Polygonum of some writers; but that is a common and well-known 

 botanical genus of Linnaeus, and cannot therefore be again applied. 



