4 SYSTEMATIC ARRANGEMENT 



Suborder I. Toxifera, Gray. 



Head small, with a retractile proboscis, (when retracted) hidden 

 in the body. Tentacles close together at the base or on the side of a 

 funnel-shaped veil surrounding the mouth. Teeth elongate, subulate, 

 in two series, implanted in the fleshy proboscis (fig. 2). Eyes sessile 

 on the outer side, or near or on the end of the ^„ 2. 



tentacles. Teeth of Conus. 



A. Mouth surrounded by a rostrum-like veil 

 over the base of the proboscis. 



Fam. I. CONUSOR. 



Animal. Mouth surrounded by a funnel- 

 shaped, rostrum-like veil, slit above. Tenta- 

 cles on the side of the, veil. Eyes on short 

 tubercles adnate to the outer side of the 

 tentacles, and more or less distant from the 

 base. Siphon of mantle and canal of shell 

 recurved. Mantle entire. Teeth with a more 

 or less swollen base and somewhat twisted, 

 perforated and barbed at the tip (fig. 2). 



Shell obconic ; whorls compressed ; aper- 

 ture linear. Operculum horny, annular ; 

 nucleus apical, rarely absent. 



The head of Conus tesctilis produced into 

 an elongated funnel-shaped veil ; proboscis 

 retractile. Teeth in two series, red ; upper 

 ones in two parallel irregular lines which 

 diverge from one another below ; when re- 

 tracted they are bent from the mouth of the 

 proboscis. 



a. Aperture of shell linear, narrow. Operculum distinct. 

 1. Conus. 



Veil of the mouth simple at the end . Operculum thick, flat above, 

 ovate, linear, apex acute, front or inner side straight. 



1. C. bandanus, Fig. Moll. t. 11. f. 8, t. 10. f. 7, t. 83. f. 2. 



2. C. mediterraneus, Fig. Moll. t. 83. f. 4. 



3. C. acumiriatus, Fig. Moll. t. 83. f. 3. 



4. C. , Fig. Moll. t. 81 a. f. 6. 



5. C. pulicarius, Fig. Moll. t. 10. f. 8. Operculum, Adams, Gen 



Moll. t. 26. f. 1 a. 



6. C. marmoreus, Fig. Moll. t. 10. f. 5. 



7. C. hebrseus, Fig. Moll. t. 10. f. 4. 



8. C. figulinus, Fig. Moll. t. 10. f. 3. 



9. C. Miles, Fig. Moll. t. 10. f. 2. 

 10. C. betulinus, Fig. Moll. t. 12. f. 1. 



